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comparators and reference circuits adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 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 . features comparators with 0.6 v on-chip references output stages: open-drain active-low ( adcm p 350) push-pul l active-low (ad c mp 352) open-drain active-high (a dc mp354) push-pul l active-high (ad c mp 356) high voltage ( u p to 22 v) tole rance on v in an d open-drain ou tpu t pins low power con s umption (10 a ) 10 na input bias current 15 mv h y steres is 5 s propagation delay specified over ?40 c to +1 25 c temperatur e range 4-lea d sc7 0 pa ckage applic ati o ns voltage detect ors micropr o cessor systems computers battery monitors intelligent inst ruments portable equip m ent general description the ad cmp35 0 /ad c m p 352/ad cmp354/ad cmp356 p a r t s are c o m p ar a t or an d re fe re nc e c i rc u i t s su i t abl e for u s e i n g e n e ral - p u r p os e a p pli c a t ion s . the hi g h v o l t a g e in pu t and o u t p u t s t r u c t ures wil l al lo w v o l t a g es o f u p t o 2 2 v o n t h e in p u t of a l l d e v i c e s a n d t h e output of t h e o p e n - d r a i n d e v i c e s . h i g h p e r f o r ma n c e o v er th e ?40c t o +125c t e m p er a t ur e ra n g e m a ke s t h e m su it abl e for u s e i n a u tomot i v e a n d ot he r t h e r m a l l y ha rsh a p plic a t ion s , w h i l e lo w p o w e r co n s um p t ion an d sp a c e- e f f i ci e n t sc 70 pa c k a g i n g m a k e th em id eal f o r ba t t e r y - p o w e r ed po r t a b l e eq ui p m en t . func tio n a l block di agrams adcmp350/adcmp352 gnd out (od/pp) v cc v in ref adcmp354/adcmp356 gnd out (od/pp) v cc v in 04745-001 ref ` fi g u r e 1 . table 1. selecti o n table part no. reference volt age ( v ) i n p u t c o n n e c t i o n o u t p u t a d c m p 3 5 0 0 . 6 i n v e r t i n g o p e n d r a i n a d c m p 3 5 2 0 . 6 i n v e r t i n g p u s h - p u l l a d c m p 3 5 4 0 . 6 n o n i n v e r t i n g o p e n d r a i n a d c m p 3 5 6 0 . 6 n o n i n v e r t i n g p u s h - p u l l
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 2 of 12 table of contents specifications ..................................................................................... 3 absolute maximum ratings ............................................................ 4 esd caution .................................................................................. 4 pin configuration and function descriptions ............................. 5 typical performance characteristics ............................................. 6 applications ........................................................................................9 adding hysteresis ..........................................................................9 volt age d e te c tor ............................................................................9 outline dimensions ....................................................................... 10 ordering guide .......................................................................... 10 revision history 10/04revision 0: initial version
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 3 of 12 specifications v cc = full operating range, t a = C40c to +125c, unless otherwise noted. table 2. parameter min typ max unit test conditions/comments supply v cc operating voltage range 2.25 5.5 v v in operating voltage range 0 22 v supply current 10 15 a v in threshold rising 0.579 0.6 0.621 v v cc = 3.3v, t a = ?40c to +85c 0.579 0.6 0.624 v v cc = 3.3v, t a = ?40c to +125c v in threshold falling 0.564 0.585 0.606 v v cc = 3.3v, t a = ?40c to +85c 0.564 0.585 0.609 v v cc = 3.3v, t a = ?40c to +125c input bias current 10 na v in = 0.6 v 170 a v in = 22 v threshold temperature coefficient 30 ppm/c v in to out delay 5 s v in = v th to (v th ? 100 mv) out voltage low 0.4 v v in < v th min, i sink = 1.2 ma out voltage high 0.8 v cc v v in > v th max, i source = 500 a, push-pull only output rise time 30 ns cout = 15 pf output fall time 45 ns cout = 15 pf output leakage current 1 a out = 22 v, open drain only
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 4 of 1 2 absolute maximum ratings t a = 2 5 c , u n l e ss ot he r w i s e no t e d. table 3. p a r a m e t e r r a t i n g v cc ?0.3 v to +6 v v in ?0.3 v to +25 v out (open drai n) ?0.3 v to +25 v out ( p ush-pull) ?0.3 v to ( v cc + 0.3 v) operating tem p erature range ?40c to +125c storage temperature range ?65c to +150c ja thermal impedance, sc70 146c/w lead temperature soldering (10 sec) 300c vapor phase (60 sec) 215c infrared (15 sec) 220c s t r e s s es a b o v e t h os e list e d u nde r a b s o l u te m a xim u m r a t i n g s ma y ca us e p e r m a n e n t dama ge to t h e de vi ce. t h is is a st r e ss r a t i ng on ly a n d f u nc t i on a l op 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 o t h e r con d i t io n s ab o v e t h o s e i ndic a t e d i n t h e op era t io nal s e c t io n o f t h is sp e c if ic a t io n is no t im pl ie d . e x p o sur e t o a b s o l u te max i m u m r a t i ng co ndi t i on s fo r ex tende d p e r i o d s ma y a f fe c t de vice rel i a b 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.
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 5 of 1 2 pin conf iguration and fu nction descriptions 4 adcmp350/ adcmp352/ adcmp354/ adcmp356 g nd out v cc v in 04745-002 1 3 2 f i gure 2. pin config ur ation ta ble 4. pi n f u nct i on d e s c ri pt i o ns pin no. mnemonic description 1 v in monitors analog input voltage. conne cted to inverting or noni nverting input, depending on model number. 2 g n d g r o u n d . 3 out digital output. open-drain or p u sh-pull o p tions , depending on model number. 4 v cc power supply.
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 6 of 1 2 typical perf orm ance cha r acte ristics 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 2.25 2.55 2.85 3.15 3.45 5.55 v cc (v) i cc ( a) 05112-003 3.75 4.05 4.35 4.65 4.95 5.25 t a + 125 c t a +25 c t a ?4 0 c t a +8 5 c fi g u r e 3 . i cc vs . v cc o v e r t e m p er a t ur e . 500 540 560 580 600 620 640 660 680 700 ?40 ? 25 ? 1 0 5 20 35 50 65 80 95 110 125 temperature (c) v trip (mv ) 05112-004 v trip trip rising 520 v trip trip falling fi g u r e 4 . v in t r ip th r e s h old v s . t e mper at ure . ( v cc = 3.3v ) 0 4 6 8 10 12 14 16 18 20 ?40 ? 25 ? 1 0 5 20 35 50 65 80 95 110 125 temperature (c) h yster esis ( m v) 05112-005 2 hysteresis fi g u r e 5 . v in t r ip h y ster es is v s . t e m p er atur e 0 4 6 8 10 12 14 16 18 20 02 468 2 2 v in (v) s u p p l y curre nt ( a) 05112-006 2 10 12 14 16 18 20 f i gure 6. su p p ly cu rr e n t v s . input v o lt age 0 40 60 80 100 120 140 160 180 200 02 468 2 2 v in (v) in le akage ( a) 05112-007 20 10 12 14 16 18 20 t a = +125c t a = +85c t a = +25 c t a = ? 40c f i gure 7. input l e ak age vs. input v o lt age 05112-019 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 v in (v) v in le akage ( a) ta = 25 c fi g u r e 8 . v in l e ak a g e cur r ent v s . v in vo l t a g e ( v cc = 3.8 v )
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 7 of 1 2 110 120 140 150 160 170 180 190 200 in le akage ( a) 05112-008 130 2.25 2.55 2.85 3.15 3.45 5.55 v cc (v) 3.75 4.05 4.35 4.65 4.95 5.25 t a = +125c t a = +85 c t a = ? 40c t a = +25 c 100 f i g u re 9. input l e a k ag e v s . sup p l y v o l t ag e ( v in = 22 v ) 520 540 580 600 620 640 660 680 700 v trip (mv ) 05112-009 560 2.25 2.55 2.85 3.15 3.45 5.55 v cc (v) 3.75 4.05 4.35 4.65 4.95 5.25 500 v trip rising v trip falling f i g u re 10. v in tr i p t h r e s h o l d v s . v cc 2 4 8 10 12 14 16 18 20 h yster esis ( m v) 05112-020 6 2.25 2.55 2.85 3.15 3.45 5.55 v cc (v) 3.75 4.05 4.35 4.65 4.95 5.25 0 hysteresis f i g u re 11. v in t r ip h y ster esis v s . v cc 0.1 1 10 100 1000 10000 0.01 0.1 10 output sink current (ma) output voltage (mv) 05112-010 1 t a = +125c t a = +85c t a = +25c t a = ? 40c f i g u re 12. o u t p ut v o lt ag e v s . o u t p ut sink cur r e n t (is i nk = 50 0 ma ) 20 40 80 100 120 output low voltage (mv) 05112-011 60 2.25 2.40 2.70 3.00 3.30 5.50 supply voltage (v) 3.60 3.90 4.20 4.50 4.80 5.20 0 f i g u re 13. o u t p ut l o w v o lt ag e v s . sup p ly v o lt ag e (is i nk = 50 0 ma ) 20 40 80 100 120 140 160 180 200 fall time (ns) 05112-012 60 2.25 2.40 2.70 3.00 3.30 5.50 supply voltage (v) 3.60 3.90 4.20 4.50 4.80 5.20 0 rise time fall time f i g u re 14. f a l l ti me v s . sup p ly v o lt ag e
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 8 of 1 2 10 20 40 50 60 70 80 90 100 s h ort-circuit s i nk curre nt (ma) 05112-013 30 2.25 2.40 2.70 3.00 3.30 5.50 supply voltage (v) 3.60 3.90 4.20 4.50 4.80 5.20 0 f i gure 15. sho r t- ci rcuit s i nk cu rrent v s . sup p l y v o ltage (v cc = 3. 3, push- p u ll o n ly ) 5 15 20 25 10 80 90 100 110 130 input overdrive (mv) p r op agation de lay ( s) 05112-014 0 10 120 70 60 50 40 30 20 t plh t phl f i g u re 16. p r opag a t ion d e l a y v s . input o v er d r ive ( v cc = 3. 3, push-pu ll o n ly ) 05112-015 ch1 20mv/div ch2 1.00v/div timebase: 10 s/div 1 2 ch1 = vin ch2 = vout f i g u re 17. p r opag a t ion d e l a y tim i ng , 10 mv o v er d r ive 05112-016 ch1 100mv/div ch2 1.00v/div timebase: 10 s/div 1 2 ch1 = vin ch2 = vout f i g u re 18. pr op ag a t ion d e l a y tim i ng , 10 0 mv o v e r dr ive
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 9 of 1 2 appli c ations adding hysteresis t o pre v e n t o s c i l l a t i o ns a t t h e output c a u s e d b y noi s e or sl ow ly m o vin g sig n als p a s s in g t h e s w i t c h in g t h r e sh old, p o si ti v e fe e d b a ck can b e us e d t o add h y s t er esis t o t h e n o ni n v er t i n g p a r t s (ad c mp354 and ad cm p356 ). f o r t h e n o ni n v e r t i n g co nf igur a t io n sh o w n i n f i gur e 19, tw o r e sis t o r s a r e us e d t o cr e a te dif f er en t s w i t chin g t h r e s h olds, dep e ndi n g o n w h et h e r t h e i n p u t sig n a l is i n cr e a sin g o r de cr e a sin g i n ma g n i t ude . w h en t h e in p u t v o l t ag e is in cr e a s i n g , th e th r e sh o l d i s a b o v e v ref , a nd w h en i t s de cr e a sin g , t h e th r e s h o l d i s b e lo w v ref . the u p p e r in put t h r e sh old le ve l is g i v e n b y () r2 r1 v r2 r1 v v cc ref in_hi ? + = w h er e v ref = 0. 6 v . the lo w e r in p u t thr e s h ol d le ve l is g i v e n b y ( ) r2 r2 r1 v v ref in_lo + = the h y s t er esis is t h e dif f er en c e b e tw e e n t h es e vol t a g e le ve ls and is g i v e n b y r2 r1 v v cc in = ? adm331 out adcm p 3 5 4 v cc = 5v r pullup r load r2 r1 v in v in 05112-017 v ref = 0.6v f i gur e 1 9 . nonin v er ti ng c o m p ar at or c o nfigur ation with hysteresis voltage d e tector th e a d c m p 3 5 x p a r t s c a n b e u s e d to mon i tor volt age s , su c h a s b a tte r y mon i tor i ng or t h re s h ol d de te c t ors . u s i n g a re s i stor d i v i d e r a t th e i n p u t t o se l e ct th e a p p r o p ri a t e t r i p v o l t a g e , th e co m p a r a t o r can be co nf igur e d to g i v e a log i c o u t p u t w h en t h e i n p u t pa s s e s tha t th r e sh o l d . f i gur e 20 s h o w s t h e t y p i cal co nf igur a t io n of t h e ad cmp3 54 fo r m o ni to r i n g a sup p ly to indi ca te t h a t t h e vol t a g e is ab o v e a cer t a i n l e vel. adm331 out ad cm p 3 5 4 v cc = 5v r pullup r1 v in v in 05112-018 v ref = 0.6v r1 f i g u re 20. v o lt ag e d e t e c t or a p p l i c at i o n
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 10 of 12 outline dimensions 0. 30 0. 15 0 . 10 m a x 1. 00 0. 80 se a t i n g pl a n e 0. 18 0. 10 0. 3 0 0. 1 0 0.10 coplanarity 2 4 3 1 2. 2 0 1. 8 0 pin 1 * 0. 5 0 bs c 0. 7 0 0. 5 0 1. 35 1. 15 2. 4 0 1. 8 0 1. 10 0. 80 0. 65 bs c * package outline corresponds in full to eiaj sc82 except for width of pin-2 as shown f i g u re 21. 4-l e ad t h in s h ri nk s m a ll o u t lin e t r ans i s t o r p a ck ag e [ s c 7 0] (eiaj sc82 body) (k s-4) di me nsio ns sho w n i n mi ll im e t e r s ordering guide m o d e l t e m p e r a t u r e r a nge package descri ption branding package option adcmp350yks- r eel7 C40c to +125c 4-lead sc70 m0z ks-4 adcmp352yks- r eel7 C40c to +125c 4-lead sc70 m11 ks-4 adcmp354yks- r eel7 C40c to +125c 4-lead sc70 m13 ks-4 adcmp356yks- r eel7 C40c to +125c 4-lead sc70 m15 ks-4
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 11 of 12 notes
adcmp350/adcmp352/adcmp354/adcmp356 rev. 0 | page 12 of 12 notes ? 2004 analog de vices, inc. all right s reserved . trad em arks and registered tra d ema r ks are the prop erty of their respective owners . d05112-0-10/04(0)

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