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quad-channel digital isolators adum1400/adum1401/adum1402 rev. b in fo rmation furn ished by an alog d e v i c e s is believed to be accurate and reliable. how e ver, n o resp on sibili ty is assume d b y a n alog de vices fo r its use, nor for an y i n fri n geme nt s of p a t e nt s or ot h e r ri ght s o f th ird parties th at may result fro m its use . s p ecificatio n s subj ec t to ch an g e witho u t n o tice. no licen s e is g r an te d by implicati o n or ot herwi s e u n der a n y p a t e nt or p a t e nt ri ghts of analog de v i ces. trademarks an d registered tra d ema r ks are the prop erty o f their respective ow ners. one technolog y way, p.o . box 9106, norwood, ma 02062-9106, u.s.a. t e l: 781. 329. 4 700 www.analog.com fax: 781. 326. 87 03 ? 2004 analog de vices, i n c. al l r i ght s r e ser v ed . fea t ures low power ope r ation 5 v operation 1.0 ma per channel max @ 0 mbps to 2 mbps 3.5 ma per channel max @ 10 mbps 31 ma per channel max @ 90 mbps 3 v operation 0.7 ma per channel max @ 0 mbps to 2 mbps 2.1 ma per channel max @ 10 mbps 20 ma per channel max @ 90 mbps bidirectional commu nication 3 v/5 v le vel tr anslation high temperat ure operation: 105c high data rate: dc to 90 mbps ( n rz) precise timing characteristics 2 ns max pu lse - width distorti on 2 ns max chan nel-to-channel matching high common- mode transient immunity: >25 kv/s output enable function wi de bod y 1 6 - l e a d soic pac k a g e, pb -fr e e mode ls a v ai lab l e saf e t y an d r e g u l a tor y app r oval s ul recognition: 2500 v rms for 1 minut e per ul 1577 csa componen t acceptance notice # 5 a vde certificate of conformity din e n 60 747- 5-2 ( vde 0884 part 2): 2003 -0 1 din e n 60 950 ( vde 0 805): 200 1-12; e n 6 0950 : 2000 v ior m = 5 60 v p eak applic a t io ns general-purpo s e multichanne l isolation spi? interface/data converter isolation rs-232/rs-42 2 / rs-485 transc eiver industrial fiel d bus isolation gener a l description the adu m 140x a r e 4-c h a n n e l dig i t a l is ola t o r s bas e d o n analog de v i ce s i co u p l e r ? t e c h n o l o g y . co m b i n i n g h i g h s p e e d c m o s a n d m o n o li th i c a i r co r e tra n sf o r m e r t e chn o log y , th e s e i s ola t i o n c o m p o n e n t s pr ov i d e out s t a nd i n g p e r f or m a nc e ch ar a c te r i st i c s sup e r i or to a l te r n a t ive s su ch a s opto c o upl e r d e v i c e s . by a v o i ding t h e us e o f leds a nd ph oto d io des, i co u p l e r d e v i c e s r e m o v e th e d e s i gn d i f f i cul t i e s co m m o n l y a s soci a t ed wi th o p t o co u p lers. th e typ i ca l o p t o c o u p ler co n c er n s r e ga r d in g un ce r t a i n curr e n t tra n sf e r ra ti os, n o nlin e a r tra n sf e r fun c ti o n s, a nd t e m p er a t ure a nd lifet i me ef fe c t s a r e e l imina t e d wi t h t h e sim p le i c o u p ler dig i tal in t e r f aces a nd s t ab le p e r f o r ma n c e cha r ac ter i st ics. the n e e d fo r ex ter n a l dr i v ers a nd o t h e r dis c r e tes is e l imin a t e d w i t h t h es e i co u p l e r p r o d u c t s . f u r t h e r m o r e , i c o u p ler de vices co n s u m es on e-t e n t h t o on e-s i xth th e p o w e r o f o p t o co u p lers a t com p arab le sig n al da t a r a t e s. the adu m 140x is ola t o r s p r o v ide f o ur in dep e nden t is ola t ion cha n n e ls i n a var i ety o f cha n n e l co nf igur a t io n s a nd da t a r a tes (s e e t h e or der i n g g u ide). a l l m o de ls o p er a t e wi t h t h e s u p p l y v o l t a g e on ei t h er side ra n g in g f r o m 2.7 v t o 5.5 v , p r o v idin g co m p a t ib i l i t y w i t h lo w e r vol t a g e sy st em s as w e l l as ena b li n g a v o l t a g e t r a n sl a t i o n f u n c t i o n a l i t y acr o ss t h e is ol a t io n b a r r ier . i n addi tio n , t h e adum140x p r o v ides lo w p u ls e-wid t h dis t o r tio n (<2 n s fo r cr w g r ade) a nd t i g h t cha n n e l - to -ch a nnel m a tch i n g (<2 n s f o r cr w grad e). u n li k e o t h e r o p t o co u p ler al t e r n a t i v es, th e adum140x is ola t o r s ha v e a p a t e n t e d r e f r es h f e a t ur e tha t en s u r e s dc co r r e c t n ess in t h e abs e n c e o f in p u t log i c t r a n si t i o n s an d d u r i ng p o we r - up / p owe r - d ow n c o nd i t i o ns . func ti on a l bl ock di a g r a ms encode decode encode decode encode decode encode decode v dd1 g nd 1 v ia v ib v ic v id nc g nd 1 v dd2 gnd 2 v oa v ob v oc v od v e2 gnd 2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 03786- 0- 001 f i gur e 1 . adum1400 f u nctio n al blo c k di a g r a m decode encode decode encode encode decode encode decode v dd1 gnd 1 v ia v ib v ic v od v e1 gnd 1 v dd2 gnd 2 v oa v ob v oc v id v e2 gnd 2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 03786- 0- 002 f i gur e 2 . adum1401 f u nctio n al blo c k di a g r a m decode decode encode encode encode decode encode decode v dd1 gnd 1 v ia v ib v oc v od v e1 gnd 1 v dd2 gnd 2 v oa v ob v ic v id v e2 gnd 2 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 03786- 0- 003 f i gur e 3 . adum1402 f u nctio n al blo c k di a g r a m
adum1400/adum1401/adum1402 rev. b | page 2 of 24 table of contents specifications ..................................................................................... 3 electrical characteristics5 v operation ................................ 3 electrical characteristics3 v operation ................................ 6 electrical characteristicsmixed 5 v/3 v or 3 v/5 v operation ....................................................................................... 8 package characteristics ............................................................. 12 regulatory information ............................................................. 12 insulation and safety-related specifications .......................... 12 din en 60747-5-2 (vde 0884 part 2) insulation characteristics ............................................................................ 13 recommended operating conditions .................................... 13 absolute maximum ratings .......................................................... 14 esd caution ................................................................................ 14 pin configurations and pin function descriptions .................. 15 typical performance characteristics ........................................... 17 application information ................................................................ 19 pc board layout ........................................................................ 19 propagation delay-related parameters ................................... 19 dc correctness and magnetic field immunity ........................... 19 power consumption .................................................................. 20 outline dimensions ....................................................................... 21 ordering guide .......................................................................... 21 revision history 6/04data sheet changed from rev. a to rev. b. changes to format .............................................................universal changes to features.......................................................................... 1 changes to electrical characteristics5 v operation ............... 3 changes to electrical characteristics3 v operation ............... 5 changes to electrical characteristicsmixed 5 v/3 v or 3 v/5 v operation ............................................................................ 7 changes to din en 60747-5-2 (vde 0884 part 2) insulation characteristics title..................................................... 11 changes to the ordering guide.................................................... 19 5/04data sheet changed from rev. 0 to rev. a. updated format..................................................................universal changes to the features ................................................................... 1 changes to table 7 and table 8..................................................... 14 changes to table 9.......................................................................... 15 changes to the dc correctness and magnetic field immunity section.............................................................................................. 20 changes to the power consumption section ............................. 21 changes to the ordering guide.................................................... 22 9/03revision 0: initial version.
adum1400/adum1401/adum1402 rev. b | page 3 of 24 specifications electrical characteristics5 v operation 1 4.5 v v dd1 5.5 v, 4.5 v v dd2 5.5 v; all min/max specifications apply over the entire recommended operation range, unless other- wise noted; all typical specifications are at t a = 25c, v dd1 = v dd2 = 5 v. table 1. parameter symbol min typ max unit test conditions dc specifications input supply current, per channel, quiescent i ddi (q) 0.50 0.53 ma output supply current, per channel, quiescent i ddo (q) 0.19 0.21 ma adum1400, total supply current, four channels 2 dc to 2 mbps v dd1 supply current i dd1 (q) 2.2 2.8 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 0.9 1.4 ma dc to 1 mhz logic signal freq. 10 mbps (brw and crw grades only) v dd1 supply current i dd1 (10) 8.6 10.6 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 2.6 3.5 ma 5 mhz logic signal freq. 90 mbps (crw grade only) v dd1 supply current i dd1 (90) 76 100 ma 45 mhz logic signal freq. v dd2 supply current i dd2 (90) 21 25 ma 45 mhz logic signal freq. adum1401, total supply current, four channels 2 dc to 2 mbps v dd1 supply current i dd1 (q) 1.8 2.4 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 1.2 1.8 ma dc to 1 mhz logic signal freq. 10 mbps (brw and crw grades only) v dd1 supply current i dd1 (10) 7.1 9.0 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 4.1 5.0 ma 5 mhz logic signal freq. 90 mbps (crw grade only) v dd1 supply current i dd1 (90) 62 82 ma 45 mhz logic signal freq. v dd2 supply current i dd2 (90) 35 43 ma 45 mhz logic signal freq. adum1402, total supply current, four channels 2 dc to 2 mbps v dd1 or v dd2 supply current i dd1 (q) , i dd2 (q) 1.5 2.1 ma dc to 1 mhz logic signal freq. 10 mbps (brw and crw grades only) v dd1 or v dd2 supply current i dd1 (10) , i dd2 (10) 5.6 7.0 ma 5 mhz logic signal freq. 90 mbps (crw grade only) v dd1 or v dd2 supply current i dd1 (90) , i dd2 (90) 49 62 ma 45 mhz logic signal freq. for all models input currents i ia , i ib , i ic , i id , i e1 , i e2 C10 +0.01 +10 a 0 v ia , v ib , v ic , v id v dd1 or v dd2 , 0 v e1 , v e2 v dd1 or v dd2 logic high input threshold v ih , v eh 2.0 v logic low input threshold v il , v el 0.8 v v dd1 , v dd2 C 0.1 5.0 v i ox = C20 a, v ix = v ixh logic high output voltages v oah , v obh , v och , v odh v dd1 , v dd2 C 0.4 4.8 v i ox = C4 ma, v ix = v ixh 0.0 0.1 v i ox = 20 a, v ix = v ixl 0.04 0.1 v i ox = 400 a, v ix = v ixl logic low output voltages v oal , v obl , v ocl , v odl 0.2 0.4 v i ox = 4 ma, v ix = v ixl
adum1400/adum1401/adum1402 rev. b | page 4 of 24 parameter symbol min typ max unit test conditions switching specifications adum140xarw minimum pulse width 3 pw 1000 ns c l = 15 pf, cmos signal levels maximum data rate 4 1 mbps c l = 15 pf, cmos signal levels propagation delay 5 t phl , t plh 50 65 100 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 5 pwd 40 ns c l = 15 pf, cmos signal levels propagation delay skew 6 t psk 50 ns c l = 15 pf, cmos signal levels channel-to-channel matching 7 t pskcd/od 50 ns c l = 15 pf, cmos signal levels adum140xbrw minimum pulse width 3 pw 100 ns c l = 15 pf, cmos signal levels maximum data rate 4 10 mbps c l = 15 pf, cmos signal levels propagation delay 5 t phl , t plh 20 32 50 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 5 pwd 3 ns c l = 15 pf, cmos signal levels change vs. temperature 5 ps/c c l = 15 pf, cmos signal levels propagation delay skew 6 t psk 15 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 7 t pskcd 3 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing-directional channels 7 t pskod 6 ns c l = 15 pf, cmos signal levels adum140xcrw minimum pulse width 3 pw 8.3 11.1 ns c l = 15 pf, cmos signal levels maximum data rate 4 90 120 mbps c l = 15 pf, cmos signal levels propagation delay 5 t phl , t plh 18 27 32 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 5 pwd 0.5 2 ns c l = 15 pf, cmos signal levels change vs. temperature 3 ps/c c l = 15 pf, cmos signal levels propagation delay skew 6 t psk 10 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 7 t pskcd 2 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing-directional channels 7 t pskod 5 ns c l = 15 pf, cmos signal levels for all models output disable propagation delay (high/low-to-high impedance) t phz , t plh 6 8 ns c l = 15 pf, cmos signal levels output enable propagation delay (high impedance to high/low) t pzh , t pzl 6 8 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f 2.5 ns c l = 15 pf, cmos signal levels common-mode transient immunity at logic high output 8 |cm h | 25 35 kv/s v ix = v dd1 /v dd2 , v cm = 1000 v, transient magnitude = 800 v common-mode transient immunity at logic low output 8 |cm l | 25 35 kv/s v ix = 0 v, v cm = 1000 v, transient magnitude = 800 v refresh rate f r 1.2 mbps input dynamic supply current, per channel 9 i ddi (d) 0.19 ma/mbps output dynamic supply current, per channel 9 i ddo (d) 0.05 ma/mbps see notes on next page.
adum1400/adum1401/adum1402 rev. b | page 5 of 24 1 all voltages are relative to their respective ground. 2 the supply current values for all four cha nnels are combined when running at identica l data rates. output supply current value s are specified with no output load present. the supply current associat ed with an individual channel op erating at a given data rate may be calculated as described in the power consumption section on page 20. see through for information on per-channel supply current as a function of data rate for unloaded a nd loaded conditions. see through for total i figure 8 fig ure 8 figure 10 figure 10 figure 11 figure 14 dd1 and i dd2 supply currents as a function of data rate for adum1400/adum1401/ adum1402 channel configurations. 3 the minimum pulse width is the shortest pulse width at which the specified pulse-width distortion is guaranteed. 4 the maximum data rate is the fastest data rate at which the specified pulse-width distortion is guaranteed. 5 t phl propagation delay is measured from the 50% level of the falling edge of the v ix signal to the 50% level of the falling edge of the v ox signal. t plh propagation delay is measured from the 50% level of the rising edge of the v ix signal to the 50% level of the rising edge of the v ox signal. 6 t psk is the magnitude of the worst-case difference in t phl or t plh that is measured between units at the same operating temperature, supply voltages, and output load within the recommended operating conditions. 7 codirectional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channe ls with inputs on the same side of the isolation barrier. opposi ng-directional channe l-to-channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier. 8 cm h is the maximum common-mode voltage slew rate that can be sustained while maintaining v o > 0.8 v dd2 . cm l is the maximum common-mod e voltage slew rate that can be sustained while maintaining v o < 0.8 v. the common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. the transient magnitude is the range over which the common mode is slewed. 9 dynamic supply current is the incremental amou nt of supply current required for a 1 mbps increase in signal data rate. see through for information on per-channel supply current for unloaded and loaded conditions. see the section on page 20 for guidance on calculating the per-channel sup- ply current for a given data rate. power consumption
adum1400/adum1401/adum1402 rev. b | page 6 of 24 electrical characteristics3 v operation 1 2.7 v v dd1 3.6 v, 2.7 v v dd2 3.6 v; all min/max specifications apply over the entire recommended operation range, unless other- wise noted; all typical specifications are at t a = 25c, v dd1 = v dd2 = 3.0 v. table 2. parameter symbol min typ max unit test conditions dc specifications input supply current, per channel, quiescent i ddi (q) 0.26 0.31 ma output supply current, per channel, quiescent i ddo (q) 0.11 0.14 ma adum1400, total supply current, four channels 2 dc to 2 mbps v dd1 supply current i dd1 (q) 1.2 1.9 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 0.5 0.9 ma dc to 1 mhz logic signal freq. 10 mbps (brw and crw grades only) v dd1 supply current i dd1 (10) 4.5 6.5 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 1.4 2.0 ma 5 mhz logic signal freq. 90 mbps (crw grade only) v dd1 supply current i dd1 (90) 42 65 ma 45 mhz logic signal freq. v dd2 supply current i dd2 (90) 11 15 ma 45 mhz logic signal freq. adum1401, total supply current, four channels 2 dc to 2 mbps v dd1 supply current i dd1 (q) 1.0 1.6 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 0.7 1.2 ma dc to 1 mhz logic signal freq. 10 mbps (brw and crw grades only) v dd1 supply current i dd1 (10) 3.7 5.4 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 2.2 3.0 ma 5 mhz logic signal freq. 90 mbps (crw grade only) v dd1 supply current i dd1 (90) 34 52 ma 45 mhz logic signal freq. v dd2 supply current i dd2 (90) 19 27 ma 45 mhz logic signal freq. adum1402, total supply current, four channels 2 dc to 2 mbps v dd1 or v dd2 supply current i dd1 (q) , i dd2 (q) 0.9 1.5 ma dc to 1 mhz logic signal freq. 10 mbps (brw and crw grades only) v dd1 or v dd2 supply current i dd1 (10) , i dd2 (10) 3.0 4.2 ma 5 mhz logic signal freq. 90 mbps (crw grade only) v dd1 or v dd2 supply current i dd1 (90) , i dd2 (90) 27 39 ma 45 mhz logic signal freq. for all models input currents i ia , i ib , i ic, i id , i e1 , i e2 C10 +0.01 +10 a 0 v ia , v ib , v ic , v id v dd1 or v dd2 , 0 v e1 ,v e2 v dd1 or v dd2 logic high input threshold v ih , v eh 1.6 v logic low input threshold v il , v el 0.4 v v dd1 , v dd2 C 0.1 3.0 v i ox = C20 a, v ix = v ixh logic high output voltages v oah , v obh , v och , v odh v dd1 , v dd2 C 0.4 2.8 v i ox = C4 ma, v ix = v ixh 0.0 0.1 v i ox = 20 a, v ix = v ixl 0.04 0.1 v i ox = 400 a, v ix = v ixl logic low output voltages v oal , v obl , v ocl , v odl 0.2 0.4 v i ox = 4 ma, v ix = v ixl switching specifications adum140xarw minimum pulse width 3 pw 1000 ns c l = 15 pf, cmos signal levels maximum data rate 4 1 mbps c l = 15 pf, cmos signal levels propagation delay 5 t phl , t plh 50 75 100 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 5 pwd 40 ns c l = 15 pf, cmos signal levels propagation delay skew 6 t psk 50 ns c l = 15 pf, cmos signal levels channel-to-channel matching 7 t pskcd/od 50 ns c l = 15 pf, cmos signal levels
adum1400/adum1401/adum1402 rev. b | page 7 of 24 parameter symbol min typ max unit test conditions adum140xbrw minimum pulse width 3 pw 100 ns c l = 15 pf, cmos signal levels maximum data rate 4 10 mbps c l = 15 pf, cmos signal levels propagation delay 5 t phl , t plh 20 38 50 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 5 pwd 3 ns c l = 15 pf, cmos signal levels change vs. temperature 5 ps/c c l = 15 pf, cmos signal levels propagation delay skew 6 t psk 22 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 7 t pskcd 3 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing-directional channels 7 t pskod 6 ns c l = 15 pf, cmos signal levels adum140xcrw minimum pulse width 3 pw 8.3 11.1 ns c l = 15 pf, cmos signal levels maximum data rate 4 90 120 mbps c l = 15 pf, cmos signal levels propagation delay 5 t phl , t plh 20 34 45 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 5 pwd 0.5 2 ns c l = 15 pf, cmos signal levels change vs. temperature 3 ps/c c l = 15 pf, cmos signal levels propagation delay skew 6 t psk 16 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 7 t pskcd 2 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing-directional channels 7 t pskod 5 ns c l = 15 pf, cmos signal levels for all models output disable propagation delay (high/low-to-high impedance) t phz , t plh 6 8 ns c l = 15 pf, cmos signal levels output enable propagation delay (high impedance to high/low) t pzh , t pzl 6 8 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f 3 ns c l = 15 pf, cmos signal levels common-mode transient immunity at logic high output 8 |cm h | 25 35 kv/s v ix = v dd1 /v dd2 , v cm = 1000 v, transient magnitude = 800 v common-mode transient immunity at logic low output 8 |cm l | 25 35 kv/s v ix = 0 v, v cm = 1000 v, transient magnitude = 800 v refresh rate f r 1.1 mbps input dynamic supply current, per channel 9 i ddi (d) 0.10 ma/mbps output dynamic supply current, per channel 9 i ddo (d) 0.03 ma/mbps 1 all voltages are relative to their respective ground. 2 the supply current values for all four cha nnels are combined when running at identica l data rates. output supply current value s are specified with no output load present. the supply current associat ed with an individual channel op erating at a given data rate may be calculated as described in the power consumption section on page 20. see through for information on per-channel supply current as a function of data rate for unloaded a nd loaded conditions. see through for total i figure 8 fig ure 8 figure 10 figure 10 figure 11 figure 14 dd1 and i dd2 supply currents as a function of data rate for adum1400/adum1401/ adum1402 channel configurations. 3 the minimum pulse width is the shortest pulse width at which the specified pulse-width distortion is guaranteed. 4 the maximum data rate is the fastest data rate at which the specified pulse-width distortion is guaranteed. 5 t phl propagation delay is measured from the 50% level of the falling edge of the v ix signal to the 50% level of the falling edge of the v ox signal. t plh propagation delay is measured from the 50% level of the rising edge of the v ix signal to the 50% level of the rising edge of the v ox signal. 6 t psk is the magnitude of the worst-case difference in t phl or t plh that is measured between units at the same operating temperature, supply voltages, and output load within the recommended operating conditions. 7 codirectional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channe ls with inputs on the same side of the isolation barrier. opposi ng-directional channe l-to-channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier. 8 cm h is the maximum common-mode voltage slew rate that can be sustained while maintaining v o > 0.8 v dd2 . cm l is the maximum common-mod e voltage slew rate that can be sustained while maintaining v o < 0.8 v. the common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. the transient magnitude is the range over which the common mode is slewed. 9 dynamic supply current is the incremental amou nt of supply current required for a 1 mbps increase in signal data rate. see through for information on per-channel supply current for unloaded and loaded conditions. see the section on page 20 for guidance on calculating the per-channel sup- ply current for a given data rate. power consumption
adum1400/adum1401/adum1402 rev. b | page 8 of 24 electrical characteristicsmixed 5 v/3 v or 3 v/5 v operation 1 5 v/3 v operation: 4.5 v v dd1 5.5 v, 2.7 v v dd2 3.6 v; 3 v/5 v operation: 2.7 v v dd1 3.6 v, 4.5 v v dd2 5.5 v; all min/max specifications apply over the entire recommended operation range, unless otherwise noted; all typical specifications are at t a = 25c; v dd1 = 3.0 v, v dd2 = 5 v; or v dd1 = 5 v, v dd2 = 3.0 v. table 3. parameter symbol min typ max unit test conditions dc specifications input supply current, per channel, quiescent i ddi (q) 5 v/3 v operation 0.50 0.53 ma 3 v/5 v operation 0.26 0.31 ma output supply current, per channel, quiescent i ddo (q) 5 v/3 v operation 0.11 0.14 ma 3 v/5 v operation 0.19 0.21 ma adum1400, total supply current, four channels 2 dc to 2 mbps v dd1 supply current i dd1 (q) 5 v/3 v operation 2.2 2.8 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 1.2 1.9 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 5 v/3 v operation 0.5 0.9 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 0.9 1.4 ma dc to 1 mhz logic signal freq. 10 mbps (brw and crw grades only) v dd1 supply current i dd1 (10) 5 v/3 v operation 8.6 10.6 ma 5 mhz logic signal freq. 3 v/5 v operation 4.5 6.5 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 5 v/3 v operation 1.4 2.0 ma 5 mhz logic signal freq. 3 v/5 v operation 2.6 3.5 ma 5 mhz logic signal freq. 90 mbps (crw grade only) v dd1 supply current i dd1 (90) 5 v/3 v operation 76 100 ma 45 mhz logic signal freq. 3 v/5 v operation 42 65 ma 45 mhz logic signal freq. v dd2 supply current i dd2 (90) 5 v/3 v operation 11 15 ma 45 mhz logic signal freq. 3 v/5 v operation 21 25 ma 45 mhz logic signal freq. adum1401, total supply current, four channels 2 dc to 2 mbps v dd1 supply current i dd1 (q) 5 v/3 v operation 1.8 2.4 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 1.0 1.6 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 5 v/3 v operation 0.7 1.2 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 1.2 1.8 ma dc to 1 mhz logic signal freq. 10 mbps (brw and crw grades only) v dd1 supply current i dd1 (10) 5 v/3 v operation 7.1 9.0 ma 5 mhz logic signal freq. 3 v/5 v operation 3.7 5.4 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 5 v/3 v operation 2.2 3.0 ma 5 mhz logic signal freq. 3 v/5 v operation 4.1 5.0 ma 5 mhz logic signal freq.
adum1400/adum1401/adum1402 rev. b | page 9 of 24 parameter symbol min typ max unit test conditions 90 mbps (crw grade only) v dd1 supply current i dd1 (90) 5 v/3 v operation 62 82 ma 45 mhz logic signal freq. 3 v/5 v operation 34 52 ma 45 mhz logic signal freq. v dd2 supply current i dd2 (90) 5 v/3 v operation 19 27 ma 45 mhz logic signal freq. 3 v/5 v operation 35 43 ma 45 mhz logic signal freq. adum1402, total supply current, four channels 2 dc to 2 mbps v dd1 supply current i dd1 (q) 5 v/3 v operation 1.5 2.1 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 0.9 1.5 ma dc to 1 mhz logic signal freq. v dd2 supply current i dd2 (q) 5 v/3 v operation 0.9 1.5 ma dc to 1 mhz logic signal freq. 3 v/5 v operation 1.5 2.1 ma dc to 1 mhz logic signal freq. 10 mbps (brw and crw grades only) v dd1 supply current i dd1 (10) 5 v/3 v operation 5.6 7.0 ma 5 mhz logic signal freq. 3 v/5 v operation 3.0 4.2 ma 5 mhz logic signal freq. v dd2 supply current i dd2 (10) 5 v/3 v operation 3.0 4.2 ma 5 mhz logic signal freq. 3 v/5 v operation 5.6 7.0 ma 5 mhz logic signal freq. 90 mbps (crw grade only) v dd1 supply current i dd1 (90) 5 v/3 v operation 49 62 ma 45 mhz logic signal freq. 3 v/5 v operation 27 39 ma 45 mhz logic signal freq. v dd2 supply current i dd2 (90) 5 v/3 v operation 27 39 ma 45 mhz logic signal freq. 3 v/5 v operation 49 62 ma 45 mhz logic signal freq. for all models input currents i ia , i ib , i ic , i id , i e1 , i e2 C10 +0.01 +10 a 0 v ia ,v ib , v ic ,v id v dd1 or v dd2 , 0 v e1 ,v e2 v dd1 or v dd2 logic high input threshold v ih , v eh 5 v/3 v operation 2.0 v 3 v/5 v operation 1.6 v logic low input threshold v il , v el 5 v/3 v operation 0.8 v 3 v/5 v operation 0.4 v v dd1 / v dd2 C 0.1 v dd1/ v dd2 v i ox = C20 a, v ix = v ixh logic high output voltages v oah , v obh , v och , v odh v dd1 / v dd2 C 0.4 v dd1 / v dd2 C 0.2 v i ox = C4 ma, v ix = v ixh 0.0 0.1 v i ox = 20 a, v ix = v ixl 0.04 0.1 v i ox = 400 a, v ix = v ixl logic low output voltages v oal, v obl, v ocl , v odl 0.2 0.4 v i ox = 4 ma, v ix = v ixl switching specifications adum140xarw minimum pulse width 3 pw 1000 ns c l = 15 pf, cmos signal levels maximum data rate 4 1 mbps c l = 15 pf, cmos signal levels propagation delay 5 t phl , t plh 50 70 100 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 5 pwd 40 ns c l = 15 pf, cmos signal levels propagation delay skew 6 t psk 50 ns c l = 15 pf, cmos signal levels channel-to-channel matching 7 t pskcd/od 50 ns c l = 15 pf, cmos signal levels
adum1400/adum1401/adum1402 rev. b | page 10 of 24 parameter symbol min typ max unit test conditions adum140xbrw minimum pulse width 3 pw 100 ns c l = 15 pf,cmos signal levels maximum data rate 4 10 mbps c l = 15 pf, cmos signal levels propagation delay 5 t phl , t plh 15 35 50 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 5 pwd 3 ns c l = 15 pf, cmos signal levels change vs. temperature 5 ps/c c l = 15 pf, cmos signal levels propagation delay skew 6 t psk 22 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 7 t pskcd 3 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing-directional channels 7 t pskod 6 ns c l = 15 pf, cmos signal levels adum140xcrw minimum pulse width 3 pw 8.3 11.1 ns maximum data rate 4 90 120 mbps c l = 15 pf, cmos signal levels c l = 15 pf, cmos signal levels propagation delay 5 t phl , t plh 20 30 40 ns c l = 15 pf, cmos signal levels pulse-width distortion, |t plh C t phl | 5 pwd 0.5 2 ns c l = 15 pf, cmos signal levels change vs. temperature 3 ps/c c l = 15 pf, cmos signal levels propagation delay skew 6 t psk 14 ns c l = 15 pf, cmos signal levels channel-to-channel matching, codirectional channels 7 t pskcd 2 ns c l = 15 pf, cmos signal levels channel-to-channel matching, opposing-directional channels 7 t pskod 5 ns c l = 15 pf, cmos signal levels for all models output disable propagation delay (high/low to high impedance) t phz , t plh 6 8 ns c l = 15 pf, cmos signal levels output enable propagation delay (high impedance to high/low) t pzh , t pzl 6 8 ns c l = 15 pf, cmos signal levels output rise/fall time (10% to 90%) t r /t f c l = 15 pf, cmos signal levels 5 v/3 v operation 3.0 ns 3 v/5 v operation 2.5 ns common-mode transient immunity at logic high output 8 |cm h | 25 35 kv/s v ix = v dd1 /v dd2 , v cm = 1000 v, transient magnitude = 800 v common-mode transient immunity at logic low output 8 |cm l | 25 35 kv/s v ix = 0 v, v cm = 1000 v, transient magnitude = 800 v refresh rate f r 5 v/3 v operation 1.2 mbps 3 v/5 v operation 1.1 mbps input dynamic supply current, per channel 9 i ddi (d) 5 v/3 v operation 0.19 ma/mbps 3 v/5 v operation 0.10 ma/mbps output dynamic supply current, per channel 9 i ddi (d) 5 v/3 v operation 0.03 ma/mbps 3 v/5 v operation 0.05 ma/mbps see notes on next page.
adum1400/adum1401/adum1402 rev. b | page 11 of 24 1 all voltages are relative to their respective ground. 2 the supply current values for all four channels are combined when running at identical data rates. output supply current value s are specified with no output load present. the supply current associated with an individual channel operating at a given data rate may be calculated as described in the power consumption section on page 20. see figure 8 through figure 10 for information on per-channel supply current as a function of data rate for unloaded and loaded conditions. see figure 11 through figure 14 for total i dd1 and i dd2 supply currents as a function of data rate for adum1400/adum1401/adum1402 channel configurations. 3 the minimum pulse width is the shortest pulse width at which the specified pulse-width distortion is guaranteed. 4 the maximum data rate is the fastest data rate at which the specified pulse-width distortion is guaranteed. 5 t phl propagation delay is measured from the 50% level of the falling edge of the v ix signal to the 50% level of the falling edge of the v ox signal. t plh propagation delay is measured from the 50% level of the rising edge of the v ix signal to the 50% level of the rising edge of the v ox signal. 6 t psk is the magnitude of the worst-case difference in t phl or t plh that is measured between units at the same operating temperature, supply voltages, and output load within the recommended operating conditions. 7 codirectional channel-to-channel matching is the absolute valu e of the difference in propagation delays between any two channe ls with inputs on the same side of the isolation barrier. opposing-directional channel-to-channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the isolation barrier. 8 cm h is the maximum common-mode voltage slew rate that can be sustained while maintaining v o > 0.8 v dd2 . cm l is the maximum common-mode voltage slew rate that can be sustained while maintaining v o < 0.8 v. the common-mode voltage slew rates apply to both risi ng and falling common-mode voltage edges. the transient magnitud e is the range over which the common mode is slewed. 9 dynamic supply current is the incremental amount of supply current required for a 1 mbps increase in signal data rate. see fig ure 8 through figure 10 for information on per- channel supply current for unloaded and loaded conditions. see th e power consumption section on page 20 for guidance on calcula ting the per-channel supply current for a given data rate.
adum1400/adum1401/adum1402 rev. b | page 12 of 24 package characteristics table 4. parameter symbol min typ max unit test conditions resistance (input-output) 1 r i-o 10 12 ? capacitance (input-output) 1 c i-o 2.2 pf f = 1 mhz input capacitance 2 c i 4.0 pf ic junction-to-case thermal resistance, side 1 jci 33 c/w ic junction-to-case thermal resistance, side 2 jco 28 c/w thermocouple located at center of package underside 1 device considered a 2-terminal device; pins 1, 2, 3, 4, 5, 6, 7, and 8 shor ted together and pins 9, 10, 11, 12, 13, 14, 15, an d 16 shorted together. 2 input capacitance is from any input data pin to ground. regulatory information the adum140x have been approved by th e organizations listed in table 5. table 5. ul 1 csa vde 2 recognized under 1577 component recognition program 1 double insulation, 2500 v rms isolation voltage file e214100 approved under csa component acceptance notice #5a reinforced insulation per csa 60950-1-03 and iec 60950-1, 400 v rms maximum working voltage file 205078 certified according to din en 60747-5-2 (vde 0884 part 2): 2003-01 2 basic insulation, 560 v peak complies with din en 60747-5-2 (vde 0884 part 2): 2003- 01, din en 60950 (vde 0805): 2001-12; en 60950:2000 reinforced insulation, 560 v peak file 2471900-4880-0001 1 in accordance with ul1577, each adum140x is proof tested by a pplying an insulation test voltage 3000 v rms for 1 second (cur rent leakage detectio n limit = 5 a). 2 in accordance with din en 60747-5- 2, each adum140x is proof tested by applying an insulation te st voltage 1050 v peak for 1 second (partial discharge detection limit = 5 pc). a * mark branded on the comp onent designates din en 60747-5-2 approval. insulation and safety-related specifications table 6. parameter symbol value unit conditions rated dielectric insulation volt age 2500 v rms 1 minute duration minimum external air gap (clearance) l(i01) 8.40 min mm measured from input termin als to output terminals, shortest distance through air minimum external tracking (creepage) l(i02) 8.10 min mm measured from input termin als to output terminals, shortest distance path along body minimum internal gap (internal clearance) 0.017 min mm insulation distance through insulation tracking resistance (comparative tracking index) cti >175 v din iec 112/vde 0303 part 1 isolation group iiia material gr oup (din vde 0110, 1/89, table 1)
adum1400/adum1401/adum1402 rev. b | page 13 of 24 din en 60747-5-2 (vde 0 884 part 2) insulation characteristics table 7. d e s c r i p t i o n s y m b o l c h a r a c t e r i s t i c u n i t install a tion cla s sifica tion per din vde 011 0 for rated mains voltage 150 v rms for rated mains voltage 300 v rms for rated mains voltage 400 v rms iCiv iCiii iCii climatic classifi cation 40/105/21 pollution degre e (din vde 0110 , table 1) 2 maximum working insulation v o ltage v ior m 5 6 0 v p e a k input to output test voltage, m e thod b1 v ior m 1.875 = v pr , 100% produc tion test, t m = 1 sec, partial dis c harge < 5 pc v pr 1 0 5 0 v p e a k input to output test voltage, m e thod a after environmental tests subgroup 1 v ior m 1.6 = v pr , t m = 60 sec, partial disch a rge < 5 pc after input and/ or safe ty test s u bgroup 2/ 3 v ior m 1.2 = v pr , t m = 60 sec, partial disch a rge < 5 pc v pr 896 672 v peak v peak highest allowa ble over voltage (transient over voltage, t tr = 10 sec) v tr 4 0 0 0 v p e a k safety-limiting values (max imum value allowed in the event of a failure; also see thermal derating curve, f i g u r e 4 ) case temperatu r e side 1 current side 2 current t s i s1 i s2 150 265 335 c ma ma insulation resi stance at t s , v io = 500 v r s >10 9 ? this is ol a t o r is sui t a b le fo r b a sic e l e c t r ica l is ola t i o n o n ly w i t h i n t h e s a fe ty limi t d a t a . m a i n t e n a n c e o f t h e s a fety d a t a is e nsu r e d by prote c - ti v e ci r c ui t s . the * ma rking o n p a c k a g es den o t e s d i n en 6 0747-5-2 a p p r o v al f o r 560 v p e ak w o rkin g v o l t a g e . case temperature (c) s a fe ty -limiting curre nt (ma) 0 0 350 300 250 200 150 100 50 50 100 150 200 side #1 side #2 03787-0-003 f i gure 4. th er ma l d e r a ti ng cur v e , d e pendence of s a fet y lim i ting v a lues wit h cas e t e mper a t ur e per d i n e n 60 74 7-5- 2 recommended operat ing c o ndi t io ns table 8. p a r a m e t e r s y m b o l m i n m a x unit operating temperature t a C 4 0 + 1 0 5 c supply voltages 1 v dd1 , v dd 2 2 . 7 5 . 5 v input signal rise and fall times 1.0 ms 1 a l l volt a g e s a r e re l a t i ve t o t h e i r resp e c t i ve groun d. see t h e d c co rrect n e ss a n d ma gn et i c fi eld im m u n i t y sect i o n on pa g e 19 for inf o rmation on immunity to external magnetic f i el ds .
adum1400/adum1401/adum1402 rev. b | page 14 of 24 absolute maximum ratings a m b i en t t e m p era t ur e = 25 c , unl e s s o t h e r w i s e n o t e d . table 9. p a r a m e t e r s y m b o l m i n m a x u n i t storage temperature t st C 6 5 + 1 5 0 c ambient operat i ng temperature t a C 4 0 + 1 0 5 c supply voltages 1 v dd1 , v dd2 C 0 . 5 + 7 . 0 v input voltage 1 , 2 v ia , v ib , v ic , v id , v e1 ,v e2 C 0 . 5 v ddi + 0.5 v output voltage 1 , 2 v oa , v ob , v oc , v od C 0 . 5 v ddo + 0.5 v average output current, per pin 3 side 1 i o1 C 1 8 + 1 8 m a side 2 i o2 C 2 2 + 2 2 m a common-mode trans i ents 4 C 1 0 0 + 1 0 0 k v / s 1 a l l volt a g e s a r e re l a t i ve t o t h e i r resp e c t i ve groun d. 2 v ddi a n d v ddo refe r t o t h e supp ly vo lt a g es on t h e i n put a n d o u t p ut si de s of a gi ven ch a n n e l, resp ect i vely. see t h e sect i o n . pc boa r d la yout 3 se e for m a ximum rated curre nt values for variou s temperature s. f i g u r e 4 4 re fe rs to co mmo n-mo d e trans i e nts acro ss the ins u l a tio n barrie r. co mmo n-mo d e trans i e nts e x ce e d ing the a b so l u te m a ximum rating m ay caus e l a tch-up o r p e rma- nent d amage. s t r e s s es a b o v e t h os e lis t e d u n de r a b s o l u t e m a xi m u m r a t i n g s ma y ca us e p e r m an e n t da ma g e t o t h e de vice . this is a s t r e s s ra t i n g o n ly ; f u nc t i on a l o p e r a t i o n of t h e d e v i c e a t t h e s e or a n y ot h e r c o n d i t i ons ab ove t h o s e l i ste d i n t h e op e r a t i o n a l s e c t i o ns of t h i s sp e c if ica t ion is n o t im plie d . e x p o sur e to a b s o l u te m a x i m u m r a t i ng co ndi t i on s ma y a f fe c t de vice r e l i ab i l i t y . esd caution esd (electrostatic discharge) sensitive device. ele c trosta tic charg e s as high as 4000 v readily accumulate on the human body and test eq uipment and can discharge with out detection. although this product features proprietary esd protection circu i try, permanent dama ge may occur on devices subjected to high energy electrostatic discharges. theref ore, prop er esd precautions a r e recommended to avoid perform a nce degradation or l o ss of functiona l ity. table 10. truth table (positive l o gic) v ix input 1 v ex input 2 v ddi state 1 v ddo state 1 v ox ou tpu t 1 n o t e s h h or nc powered powered h l h or nc powered powered l x l p o w e r e d p o w e r e d z x h or nc unpowered powered h outputs return t o the input state within 1 s of v ddi power restoration. x l u n p o w e r e d p o w e r e d z x x p o w e r e d u n p o w e r e d indeterminate outputs return t o the input state within 1 s of v ddo power restoration if v ex state is h or nc. outputs return s to high impedance state within 8 ns of v ddo po wer r e storation if v ex state is l. 1 v ix a n d v ox ref e r t o t h e i n put a n d out p ut si gn a l s of a gi ve n ch a n n e l (a, b, c, o r d ) . v ex re fer s t o t h e out p ut en a b le si g n a l on t h e sa m e si d e a s t h e v ox out p ut s. v ddi a n d v ddo ref e r t o t h e s u pply vo lt a g es on t h e i n put a n d out p ut si de s of t h e gi ven c h a n n e l, respect i ve l y. 2 in no is y e n viro nments , co nne cting v ex to an e x te rnal l o gic hi gh or low is rec o mmended.
adum1400/adum1401/adum1402 rev. b | page 15 of 24 pin conf igurations and pi n function descriptions 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 nc = no connect adum1400 top view (not to scale) 03786-0-005 v dd1 * gnd 1 v ia v ib v ic v id nc * gnd 1 v dd2 gnd 2 * v oa v ob v oc v od v e2 gnd 2 * f i gur e 5 . adum1400 p i n co nfi g ur a t ion 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 adum1401 top view (not to scale) 03786-0-006 v dd1 * gnd 1 v ia v ib v ic v od v e1 * gnd 1 v dd2 gnd 2 * v oa v ob v oc v id v e2 gnd 2 * f i gur e 6 . adum1401 p i n co nfi g ur a t ion 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 adum1402 top view (not to scale) 03786-0-007 v dd1 * gnd 1 v ia v ib v oc v od v e1 * gnd 1 v dd2 gnd 2 * v oa v ob v ic v id v e2 gnd 2 * f i gur e 7 . adum1402 p i n co nfi g ur a t ion * p i ns 2 and 8 are inte rnal l y co nne cte d . c o nne cting bo th to gnd 1 is re co mme nd e d . p i ns 9 and 15 are inte rnal l y co nne cte d . c o nne cting bo th to gnd 2 is rec o mmend ed . out p ut en a b le pi n 10 on t h e ad u m 14 00 m a y be le ft di sc on n e ct ed i f out p ut s a r e t o b e a l wa y s e n a b led. out p ut en a b le pi n s 7 a n d 10 on the adum1401/adum1402 may be left disc onnected i f outputs are to be always enable d. in noisy environments, connect ing pin 7 (for adu m 1401 and adu m 140 2) a n d pi n 10 (fo r a l l m o de ls ) t o a n ext e rn a l l o gi c h i gh or low i s recom m en ded. table 11. a d um1400 pin function descriptions pin no . m n e m o n i c f u n c t i o n 1 v dd1 supply voltage for isolato r side 1, 2.7 v to 5.5 v. 2 g n d 1 groun d 1. groun d refe rence fo r is olator side 1. 3 v ia logic input a. 4 v ib logic input b. 5 v ic logic input c. 6 v id logic input d. 7 n c no connect. 8 g n d 1 groun d 1. groun d refe rence fo r is olator side 1. 9 g n d 2 groun d 2. groun d refe rence fo r is olator side 2. 1 0 v e2 output enable 2. active high logic input. v oa , v ob , v oc , and v od outputs are enabled when v e2 is high or disconnected. v oa , v ob , v oc , and v od outputs are di sabled when v e2 is low. in n o isy en vironments, c o nn ecting v e2 to an ex ternal logic high or low is re comm end e d . 1 1 v od logic output d. 1 2 v oc logic output c. 1 3 v ob logic output b. 1 4 v oa logic output a. 1 5 g n d 2 groun d 2. groun d refe rence fo r is olator side 2. 1 6 v dd2 supply voltage for isolato r side 2, 2.7 v to 5.5 v.
adum1400/adum1401/adum1402 rev. b | page 16 of 24 table 12. adum1401 pin function descriptions pin no. mnemonic function 1 v dd1 supply voltage for isolator side 1, 2.7 v to 5.5 v. 2 gnd 1 ground 1. ground reference for isolator side 1. 3 v ia logic input a. 4 v ib logic input b. 5 v ic logic input c. 6 v od logic output d. 7 v e1 output enable 1. active high logic input. v od output is enabled when v e1 is high or disconnected. v od is disabled when v e1 is low. in noisy environments, connecting v e1 to an external logic hi gh or low is recommended. 8 gnd 1 ground 1. ground reference for isolator side 1. 9 gnd 2 ground 2. ground reference for isolator side 2. 10 v e2 output enable 2. active high logic input. v oa , v ob , and v oc outputs are enabled when v e2 is high or disconnected. v oa , v ob , and v oc outputs are disabled when v e2 is low. in noisy environments, connecting v e2 to an external logic high or low is recommended. 11 v id logic input d. 12 v oc logic output c. 13 v ob logic output b. 14 v oa logic output a. 15 gnd 2 ground 2. ground reference for isolator side 2. 16 v dd2 supply voltage for isolator side 1, 2.7 v to 5.5 v. table 13. adum1402 pin function descriptions pin no. mnemonic function 1 v dd1 supply voltage for isolator side 1, 2.7 v to 5.5 v. 2 gnd 1 ground 1. ground reference for isolator side 1. 3 v ia logic input a. 4 v ib logic input b. 5 v oc logic output c. 6 v od logic output d. 7 v e1 output enable 1. active high logic input. v oc and v od outputs are enabled when v e1 is high or disconnected. v oc and v od outputs are disabled when v e1 is low. in noisy envi ronments, connecting v e1 to an external logic high or low is recommended. 8 gnd 1 ground 1. ground reference for isolator side 1. 9 gnd 2 ground 2. ground reference for isolator side 2. 10 v e2 output enable 2. active high logic input. v oa and v ob outputs are enabled when v e2 is high or disconnected. v oa and v ob outputs are disabled when v e2 is low. in noisy envi ronments, connecting v e2 to an external logic high or low is recommended. 11 v id logic input d. 12 v ic logic input c. 13 v ob logic output b. 14 v oa logic output a. 15 gnd 2 ground 2. ground reference for isolator side 2. 16 v dd2 supply voltage for isolator side 2, 2.7 v to 5.5 v.
adum1400/adum1401/adum1402 rev. b | page 17 of 24 typical perf orm ance cha r acte ristics 04407-0-011 data rate (mbps) curre nt/channe l (ma) 0 0 10 5 15 20 20 60 80 40 100 5v 3v f i gure 8. t y pic a l in put sup p ly cu rrent per ch ann e l v s . d a ta ra te f o r 5 v and 3 v o p e r at i o n 04407-0-012 data rate (mbps) curre nt/channe l (ma) 0 0 3 2 1 4 5 6 20 60 80 40 100 5v 3v f i g u re 9. t y pic a l o u t p ut sup p ly cu rre nt per c h ann e l v s . d a t a r a te f o r 5 v and 3 v o p e r at i o n (n o o u t p ut l oad) 04407-0-013 data rate (mbps) curre nt/channe l (ma) 0 0 6 4 2 8 10 20 60 80 40 100 5v 3v f i g u re 10. t y pic a l o u t p ut sup p ly cu rrent per cha nne l v s . d a t a r a t e f o r 5 v and 3 v o p e r at i o n ( 1 5 pf o u t p ut l oad) 04407-0-014 data rate (mbps) curre nt (ma) 0 0 40 50 20 10 30 60 70 80 20 60 80 40 100 5v 3v f i g u re 11. t y pic a l a d um 14 0 0 v dd1 sup p ly cur r ent v s . d a t a rate f o r 5 v and 3 v o p e r at i o n 04407-0-015 data rate (mbps) curre nt (ma) 0 0 10 10 5 15 20 20 60 80 40 100 5v 3v f i g u re 12. t y pic a l a d um 14 0 0 v dd2 sup p ly cur r ent v s . d a t a rate f o r 5 v and 3 v o p e r at i o n 04407-0-016 data rate (mbps) curre nt (ma) 0 0 25 20 15 10 5 30 50 20 60 80 40 100 5v 3v f i g u re 13. t y pic a l a d um 14 0 1 v dd1 sup p ly cur r ent v s . d a t a rate f o r 5 v and 3 v o p e r at i o n
adum1400/adum1401/adum1402 rev. b | page 18 of 24 04407-0-017 data rate (mbps) curre nt (ma) 0 0 20 15 10 5 30 25 35 40 20 60 80 40 100 5v 3v f i g u re 14. t y pic a l a d um 14 0 1 v dd2 sup p ly cur r ent v s . d a t a rate f o r 5 v and 3 v o p e r at i o n 04407-0-018 data rate (mbps) curre nt (ma) 0 0 25 20 15 10 5 45 40 35 30 50 20 60 80 40 100 5v 3v f i g u re 15. t y pic a l a d um 14 0 2 v dd1 or v dd2 sup p ly cu rrent v s . d a t a r a te f o r 5 v a n d 3 v o p er at i o n temperature (c) p r op agation de lay (ns ) ?50 ? 25 25 30 35 40 05 0 7 5 25 100 03786-0-023 3v 5v f i g u re 16. p r opag a t ion d e l a y v s . t e mper at u r e , c g r ad e
adum1400/adum1401/adum1402 rev. b | page 19 of 24 application information pc board l a you t the adu m 140x dig i tal is ol a t o r r e q u ir es n o exter n al in t e r f ace c i rc u i t r y for t h e l o g i c in te r f ac e s . p o we r su p p ly b y p a ss ing is st rong ly re c o mme n d e d a t t h e i n p u t and out p ut su p p ly p i ns (f igur e 17). bypas s c a p a ci t o rs a r e m o s t co n v enie n t l y co nne c t e d betw een p i n s 1 a nd 2 f o r v dd 1 a nd b e twe e n pi ns 15 a nd 16 fo r v dd 2 . th e c a p a c i t o r val u e sh o u l d b e b e tween 0. 01 f a n d 0 . 1 f . t h e t o tal lead len g th be t w ee n b o th en d s o f th e ca pa ci t o r a n d t h e i n p u t p o we r su p p ly p i n shou l d not e x c e e d 2 0 mm. by p a ss - in g b e twe e n pins 1 a nd 8 an d b e tw e e n pin s 9 and 16 sh o u ld a l s o be con s ider ed u n les s the g r o u nd p a ir o n each p a c k a g e side is co nne c t e d clos e t o t h e p a cka g e . v dd1 gnd 1 v ia v ib v ic/oc v id/od v e1 gnd 1 v dd2 gnd 2 v oa v ob v oc/ic v od/id v e2 gnd 2 03786-0-019 f i gure 17. r e c o m m e nded prin ted c i rc uit bo a r d layout i n a p plic a t io n s i n v o lvin g h i g h c o mm on- m o d e t r a n sien ts, c a r e shou l d b e t a k e n to e n su re t h a t b o ard c o u p l i ng a c ro ss t h e is ol a - ti o n ba rri e r i s m i n i m i z e d . f u rth e rm o r e , th e boa r d l a y o u t s h o u l d be desig n e d s u ch tha t an y co u p lin g tha t do es o c c u r eq ual l y a f fe c t s al l p i n s on a g i v e n com p o n e n t side . f a il ur e t o en s u r e this co u l d ca us e v o l t a g e dif f er en t i als b e tw e e n p i ns exce e d in g t h e de vice s a b s o l u te m a xi m u m r a t i n g s, t h er eb y le adin g t o l a t c h- u p or p e r m ane n t d a m a ge. propag ation delay-r e lated parameters p r o p a g a t i o n de la y i s a pa ra m e t e r th a t d e scri be s th e tim e i t ta k e s a l o gi c s i gn al t o p r o p a g a t e th r o ugh a c o m p o n en t. t h e p r o p a g a - t i on d e l a y to a l o g i c l o w output m a y d i f f e r f r om t h e prop ag a t i o n d e la y t o a l o gi c h i gh . input (v ix ) output (v ox ) t plh t phl 50% 50% 03786-0-020 f i g u re 18. p r opag a t ion d e l a y p a r a met e rs pu ls e-wi d t h dist o r t i o n is t h e maxim u m dif f er en ce b e tw e e n t h es e tw o p r o p aga t io n d e l a y va lues a nd is a n i ndic a t i o n o f h o w a c c u r a tel y t h e i n put s i g n a l s t i m i ng i s pre s e r v e d. c h an nel - to - c h a nnel m a tch i ng re fe rs to t h e ma x i m u m t h a t a m o u n t t h e p r op a g a t ion dela y dif f ers b e twe e n cha n n e ls wi t h in a sin g le adum14 0x co m p on en t. p r o p a g a t i o n de la y sk e w r e f e r s t o th e m a xim u m th a t a m o u n t t h e p r o p a g a t io n del a y dif f ers betw e e n m u l t i p le ad um140x co m p o- n e n t s o p er a t i n g un der t h e s a me co ndi t i on s. dc correctness and m a gnetic fie l d immunity p o si ti v e a n d n e ga ti v e logi c tra n si ti o n s a t t h e i s ola t o r in p u t ca us e na r r o w (~1 n s ) p u ls es t o b e s e n t t o t h e de c o der v i a t h e t r a n sfo r m e r . the de co der is b i s t a b le an d is, t h erefo r e , ei t h er s e t o r r e se t b y th e p u lse s , i n d i ca t i n g i n p u t logi c tra n si ti o n s. i n t h e a b sen c e o f logi c tra n si ti o n s a t t h e in p u t f o r m o r e th a n 2 s, a p e r i o d ic s e t o f r e f r es h p u ls es indic a t i v e o f t h e c o r r e c t in p u t s t a t e a r e s e n t t o en s u r e dc co r r e c t n ess a t t h e o u t p ut. i f t h e de co der r e cei v es n o in te r n al p u ls es o f m o r e t h a n ab o u t 5 s, t h e i n p u t side is assu me d to b e u n p o w e r e d o r n o nf u n c t iona l, in w h ich cas e t h e is ola t o r o u t p u t is f o r c e d t o a def a u l t s t a t e (s e e t a b l e 1 0 ) b y th e wa t c h d og ti m e r ci r c ui t . t h e li m i ta ti o n o n th e a d um 1 40x s m a gn e t i c fi e l d i m m u n i t y i s s e t b y t h e c o nd i t ion i n w h ich i n d u ce d v o lt a g e in t h e t r an sfo r mer s r e cei v in g co il i s s u f f i ci en tl y l a rg e t o ei t h e r fal s e l y set o r r e s e t t h e de co der . t h e fol l o w ing a n a l y s is def i n e s t h e cond i t ion s u n der w h ich t h is m a y o c c u r . t h e 3 v op er a t i n g cond i t i o n o f t h e a d um140x is exa m in e d b e ca us e i t r e p r esen t s t h e m o s t s u s c ep t i b l e m o de o f o p e r a t i o n. the p u ls es a t t h e t r a n sfo r m e r o u t p u t ha v e a n am pli t ude g r e a t e r t h an 1.0 v . the dec o der has a s e n s in g thr e s h old a t abo u t 0.5 v , th er ef o r e e s ta b l i s hi n g a 0.5 v m a r g i n in whic h in d u ced v o l t a g e s ca n be t o le r- a t e d . th e v o l t a g e ind u ce d acr o s s t h e r e cei v in g co i l is g i v e n b y v = ( Cd /d t ) r n 2 ; n = 1, 2,, n w h er e: is ma g n et ic f l ux den s i t y (ga u ss). n is t h e n u m b er o f t u r n s in t h e r e cei v in g co il . r n is th e radi us o f th e n th t u rn in th e r e cei v i n g co il (cm ) . g i v e n t h e g e ometr y o f th e r e cei v in g co il in the adum140x a nd a n i m p o s e d r e quir em e n t t h a t t h e i n d u ce d v o l t a g e b e a t m o s t 50% o f th e 0.5 v ma rg in a t t h e deco der , a maxim u m al lo wa b l e ma g n etic f i e l d is calc u l a t ed as sh o w n in f i gur e 19. magnetic field frequency (hz) 100.000 max i mum allo wable mag n e t ic flux de ns ity (k ga us s ) 0.001 1m 10.000 0.010 1k 10k 10m 0.100 1.000 100m 100k 03786-0-021 f i g u re 19. m a x i mu m a l lo wab l e e x t e rn al m a g n et ic flux d e ns it y
adum1400/adum1401/adum1402 rev. b | page 20 of 24 f o r exa m ple , a t a ma g n et ic f i e l d f r e q uen c y o f 1 mh z, t h e max i m u m a l lo wa b l e m a g n et ic f i eld o f 0.2 kga u ss i n d u ces a v o l t a g e o f 0.25 v a t t h e r e cei v in g co il . this is abo u t 50 % o f the s e n s in g t h r e sh o l d a nd do e s n o t ca us e a fa u l ty o u t p ut t r a n si t i on. s i mil a rl y , if s u c h a n ev en t w e r e t o o c c u r d u r i n g a tra n smi t t e d p u ls e (a nd was o f t h e w o rst- cas e p o la r i ty ), i t wo u l d r e d u ce t h e r e cei v ed p u ls e f r o m > 1.0 v t o 0.75 v s t il l w e l l a b o v e the 0.5 v s e n s in g t h r e sh o l d o f t h e de co de r . th e p r e c e din g mag n e t i c f l ux den s i t y va l u es co r r es p o n d to s p e c if i c cur r en t ma gni t udes a t g i v e n dis t a n c es f r o m t h e adum140x t r a n s- fo r m e r s . fi g u r e 2 0 exp r es ses t h ese a l lo wa b l e curr e n t ma gni t ud es as a fu n c ti o n o f fr eq u e n c y f o r se l e ct ed d i s ta n c e s . a s see n , th e adum140x is ex t r em el y i m m u n e a n d ca n b e a f f e cte d o n l y b y ex- t r em e l y la r g e cu rr en ts o p era t e d a t high f r e q uen c y , v e r y c l ose t o t h e co m p o n en t. f o r t h e 1 mh z exa m p l e n o t e d , o n e w o u l d ha v e t o p l ace a 0.5 ka cur r en t 5 mm a w a y f r o m t h e adum140x to a f f e ct t h e c o mp o n e n t s op e r at i o n . magnetic field frequency (hz) max i mum allowable curre nt (k a) 1000.00 100.00 10.00 1.00 0.10 0.01 1k 10k 100m 100k 1m 10m distance = 5mm distance = 1m distance = 100mm 03786-0-022 f i gure 20. maxi mu m a l lo w a b l e cu rre nt fo r v a ri o u s curr e n t-t o -adum14 0 x s p ac i n gs n o t e t h at at c o m b i n at i o n s o f s t r o n g m a g n e t i c f i e l d a n d h i g h f r eq ue n c y , a n y loo p s f o rm ed b y p r i n t e d ci r c ui t boa r d tra c e s co uld in d u ce s u f f i ci e n tl y la r g e e r r o r v o l t a g e s t o tri g g e r th e t h re sho l d s of su c c e e d i n g c i rc u i t r y . c a re shou l d b e t a ke n i n t h e la yo u t o f s u c h t r aces t o a v o i d t h is p o s s ib ili t y . power con s umpti o n the s u p p l y c u r r en t a t a g i v e n c h a nne l o f the ad um140x is ola - t o r i s a fun c ti o n o f th e s u p p l y v o l t a g e , t h e c h a n n e l s d a ta ra t e , a nd t h e cha n nel s o u t p ut lo ad . f o r e a ch in p u t c h an nel, t h e supply c u r r e n t is g i ve n b y i ddi = i ddi ( q ) f 0.5 f r i ddi = i ddi ( d ) (2 f C f r ) + i ddi ( q ) f > 0 . 5 f r f o r e a ch ou t p ut chan nel, t h e sup p ly c u r r e n t is g i ve n b y i dd o = i dd o ( q ) f 0.5 f r i dd o = ( i dd o ( d ) + (0.5 10 ?3 ) c l v dd o ) (2 f C f r ) + i dd o ( q ) f > 0.5 f r w h er e: i ddi ( d ) , i dd o ( d ) a r e t h e in pu t and o u t p ut d y namic su p p ly c u r r en ts pe r c h a n n e l (ma / mb p s ) . c l is o u t p u t lo ad c a p a ci t a n c e ( p f). v dd o is t h e out p u t su p p ly vol t ag e ( v ) . f is th e in p u t log i c sig n al f r e q uen c y (mh z , half o f th e in p u t da t a ra t e , nrz sign alin g). f r is t h e in p u t s t a g e r e f r es h ra te (mb p s). i ddi ( q ) , i dd o ( q ) a r e t h e sp e c if ie d i n p u t and o u t p ut q u ies c e n t sup - ply c u r r en ts ( m a) . t o calc u l a t e t h e t o t a l i dd 1 and i dd2 su p p ly c u r r e n t, t h e s u p p ly c u r r en ts fo r e a ch in p u t and o u tp u t cha n nel co r r esp o ndin g to i dd 1 a nd i dd 2 a r e ca lc u l a t e d and to t a le d . f i gur e 8 a nd f i gur e 9 prov i d e p e r - ch a n n e l supply c u r r e n t s a s a f u nc t i on of d a t a r a te f o r a n unlo aded o u t p u t con d i t ion. f i gur e 10 p r o v ides p e r - cha n n e l su p p ly c u r r en t as a f u nc t i o n o f d a t a ra te fo r a 15 pf o u t p u t con d i t ion. f i gur e 11 thr o ug h f i gur e 14 p r o v ide t o tal i dd 1 a nd i dd 2 s u p p l y c u r r en t as a f u n c tion o f da ta ra te f o r adum1400/adum1401/adu m 1402 c h a n n e l co nf igura t io n s .
adum1400/adum1401/adum1402 rev. b | page 21 of 24 outline dimensions controlling dimensions are in millimeters; inch dimensions (in parentheses) are rounded-off millimeter equivalents for reference only and are not appropriate for use in design compliant to jedec standards ms-013aa seating plane 0.30 (0.0118) 0.10 (0.0039) 0.51 (0.0201) 0.31 (0.0122) 2.65 (0.1043) 2.35 (0.0925) 1.27 (0.0500) bsc 16 9 8 1 10.65 (0.4193) 10.00 (0.3937) 7.60 (0.2992) 7.40 (0.2913) 10.50 (0.4134) 10.10 (0.3976) 8 0 0.75 (0.0295) 0.25 (0.0098) 45 1.27 (0.0500) 0.40 (0.0157) 0.33 (0.0130) 0.20 (0.0079) coplanarity 0.10 f i gure 21. 16-l ead standar d s m all o u tline p a ck age [s oi c ] w i de body (r w - 16) di me nsio n sho w n in mi ll im et e r s ( i nche s) ordering guide model number of inputs, v dd1 side number of inputs, v dd2 side maximum data rat e (mbps) maximum propagation delay, 5 v (ns) maximum pulse- width distortion (ns) temperature r a nge (c) package option 1 adum1400a rw 2 4 0 1 100 40 C40 to +105 rw-16 adum1400brw 2 4 0 10 50 3 C40 to +105 rw-16 adum1400c rw 2 4 0 90 32 2 C40 to +105 rw-16 adum1400a rw z 2 , 3 4 0 1 100 40 C40 to +105 rw-16 adum1400brw z 2 , 3 4 0 10 50 3 C40 to +105 rw-16 adum1400c rw z 2 , 3 4 0 90 32 2 C40 to +105 rw-16 adum1401a rw 2 3 1 1 100 40 C40 to +105 rw-16 adum1401brw 2 3 1 10 50 3 C40 to +105 rw-16 adum1401c rw 2 3 1 90 32 2 C40 to +105 rw-16 adum1401a rw z 2 , 3 3 1 1 100 40 C40 to +105 rw-16 adum1401brw z 2 , 3 3 1 10 50 3 C40 to +105 rw-16 adum1401c rw z 2 , 3 3 1 90 32 2 C40 to +105 rw-16 adum1402a rw 2 2 2 1 100 40 C40 to +105 rw-16 adum1402brw 2 2 2 10 50 3 C40 to +105 rw-16 adum1402c rw 2 2 2 90 32 2 C40 to +105 rw-16 adum1402a rw z 2 , 3 2 2 1 100 40 C40 to +105 rw-16 adum1402brw z 2 , 3 2 2 10 50 3 C40 to +105 rw-16 adum1402c rw z 2 , 3 2 2 90 32 2 C40 to +105 rw-16 1 r w - 16 = 16- l e a d w i de bo dy soic . 2 tape and r e el are a v ailable. the a dditi on of an -rl suffix de signates a 13 (1 ,000 unit s) tape and r eel option. 3 z = pb-free part.
adum1400/adum1401/adum1402 rev. b | page 22 of 24 notes
adum1400/adum1401/adum1402 rev. b | page 23 of 24 notes
adum1400/adum1401/adum1402 rev. b | page 24 of 24 notes ? 2004 a n alo g devic e s, inc. all rig h ts res e rve d . t r ade m arks a n d re g i s - tered trade m arks are the property of their respective owners . c03786C0 C 6/04(b)

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