1 ps8183d 01/11/01 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1 2345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012 12345678901 2 ps320/ps321/ps322 precision, dual-supply analog switches features low on-resistance (17w typ.) minimizes distortion and error voltages low glitching reduces step errors in sample-and-holds split-supply operation (3v to 8v) improved second sources for max320/max321/max322 on-resistance matching between channels, 0.2 w typ. on-resistance flatness, <2 w typ. low off-channel leakage, <5na @ +85c ttl/cmos logic compatible fast switching speed, t on <150ns guaranteed break-before-make action (ps322) eliminates momentary crosstalk rail-to-rail analog signal dynamic range low power consumption, <1.25mw msop package minimizes board area applications audio switching and routing portable instruments data acquisition systems sample-and-holds telecommunication systems battery-powered systems switches shown for logic 0 input top view functional diagrams, pin configurations, and truth tables top view top view description the ps320/ps321/ps322 are improved high-precision, medium volt- age analog switches designed to operate with +3v to +8v power supplies. the ps320 is a dual, single-pole single-throw (spst), normally open (no) switch. the ps321 has the same pinout as the ps320 but it has two normally closed (nc) switches. the ps322 has one normally open (no) and one normally closed (nc) switch per package. when on, each switch conducts current equally well in either direction. in the off state, each switch blocks voltages up to the power-supply rails. with 5v power supplies, the ps320/ps321/ps322 guarantee <35 w on-resistance. on-resistance matching between channels is within 2 w . on-resistance flatness is less than 4 w over the specified range. all three devices guarantee low leakage currents (<100pa @25c, <10na @+85c) and fast switching speeds (t on <150ns). break-before-make switching action protects against momentary crosstalk (ps322). for single-supply operation the ps323/ps324/ps325 are recom- mended. 6 7 8 5 1 2 3 4 nc1 com1 in2 v- v+ com2 nc2 in1 ps321 6 7 8 5 1 2 3 4 n01 com1 in2 v- v+ com2 nc2 in1 ps322 6 7 8 5 1 2 3 4 no1 com1 in2 v- v+ com2 no2 in1 ps320 0 2 3 s p c i g o lh c t i w s 0 1 f f o n o 1 2 3 s p c i g o lh c t i w s 0 1 n o f f o 2 2 3 s p c i g o l h c t i w s 1 h c t i w s 2 0 1 f f o n o n o f f o
1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 ps320/ps321/ps322 precision, dual-supply analog switches 2 ps8183d 01/11/01 caution: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress only r ating and operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. electrical specifications - dual supplies (v = 5v 10%, v inh = 3.5v, v inl = 1v) r e t e m a r a pl o b m y ss n o i t i d n o c) c ( . p m e t. n i m (2) . p y t ) 1 ( . x a m ) 2 ( s t i n u h c t i w s g o l a n a e g n a r l a n g i s g o l a n a ) 3 ( v g o l a n a l l u fC v+ vv e c n a t s i s e r - n o r n o , v 5 . 4 C = C v , v 5 . 4 = + v v o n v r o c n v 5 . 3 = i m o c , a m 1 = 5 26 15 3 w l l u f5 4 h c t a m e c n a t s i s e r - n o s l e n n a h c n e e w t e b ) 4 ( d r n o v 5 C = C v , v 5 = + v v o n v r o c n , v 3 = i m o c =, a m 1 5 23 . 02 l l u f4 s s e n t a l f e c n a t s i s e r - n o ) 5 ( r t a l f) n o ( , v 5 C = C v , v 5 = + v i m o c , a m 1 = v o n v r o c n v 3 = 5 214 l l u f6 e g a k a e l f f o c n r o o n t n e r r u c ) 6 ( i ) f f o ( o n r o i ) f f o ( c n , v 5 . 5 C = C v , v 5 . 5 = + v v m o c , v 5 . 4 = v o n v r o c n v 5 . 4 = 5 21 . 0 C1 0 . 0 C1 . 0 a n l l u f5 C5 e g a k a e l f f o m o c t n e r r u c ) 6 ( i ) f f o ( m o c C v , v 5 . 5 = + vv 5 . 5 C = v m o c , v 5 . 4 = v o n v r o c n v 5 . 4 = 5 21 . 0 C1 0 . 0 C1 . 0 l l u f5 C5 e g a k a e l n o m o c t n e r r u c ) 6 ( i ) n o ( m o c , v 5 . 5 C = C v , v 5 . 5 = + v v m o c v 5 . 4 = v o n v r o c n v 5 . 4 = 5 22 . 0 C4 0 . 0 C2 . 0 l l u f0 1 C0 1 continuous power dissipation plastic dip (derate 6mw/ oc above +70oc) .................... 500mw narrow so (derate 6mw/ oc above +70oc) .................... 450mw msop (derate 4mw/ oc above +70oc) ........................... 330mw storage temperature ........................................ -65oc to +150oc lead temperature (soldering, 10s) ................................ +300oc voltages referenced to vC v+ ...................................................................... -0.3v to +17v v in , v com , v nc , v no (1) ............................. (v-) -2v to (v+) +2v ............................................... or 30ma, whichever occurs first current (any terminal) ..................................................... 30ma peak current, com, no, nc (pulsed at 1ms, 10% duty cycle) ................................... 100ma esd per method 3015.7 ............................................. > 2000v absolute maximum ratings note 1: signals on nc, no, com, or in exceeding v+ or v- are clamped by internal diodes. limit forward diode current to maximum current rating thermal information continued next page
1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 ps320/ps321/ps322 precision, dual-supply analog switches 3 ps8183d 01/11/01 notes: 1. the algebraic convention, where the most negative value is a minimum and the most positive is a maximum, is used in this data sheet. 2. typical values are for design aid only, not guaranteed or subject to production testing. 3. guaranteed by design 4. d r on = d r on max. C d r on min. 5. flatness is defined as the difference between the maximum and minimum value of on-resistance measured. 6. leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at +25oc. 7. off isolation = 20log 10 [ v com / (v nc or v no ) ]. r e t e m a r a pl o b m y ss n o i t i d n o c. p m e t ) c ( . n i m ) 1 ( . p y t ) 2 ( . x a m ) 1 ( s t i n u t u p n i c i g o l h t i w t n e r r u c t u p n i h g i h e g a t l o v t u p n i i h n i v n i v 0 = s r e h t o l l a , v 5 . 3 = l l u f 5 . 0 C5 0 0 . 05 . 0 a m h t i w t n e r r u c t u p n i w o l e g a t l o v t u p n i i l n i v n i + v = s r e h t o l l a , v 0 =5 . 0 C5 0 0 . 05 . 0 t u p n i h g i h c i g o l e g a t l o v v h n i + v C = C v , % 0 1 v 5 = + v5 . 3 v + v C = C v , v 8 < + v < v 3+ v 6 . 0 t u p n i w o l c i g o l e g a t l o v v l n i + v C = C v , % 0 1 v 5 = + v1 + v C = C v , v 8 < + v < v 3+ v 3 . 0 c i m a n y d e m i t n o - n r u tt n o v m o c , v 3 = 2 e r u g i f 5 25 60 5 1 s n l l u f5 7 1 e m i t f f o - n r u tt f f o 5 25 30 0 1 l l u f0 5 1 e k a m - e r o f e b - k a e r b y a l e d e m i t ) 3 ( t d 3 s p2 2l n oy,r l =0 30 w ,c l =3 3 e r u g i f , f p 5 5 2 25 n o i t c e j n i e g r a h c ) 3 ( qc l , f n 1 =v n e g r , v 0 = n e g 0 = w ,4 e r u g i f82 1c p n o i t a l o s i f f o ) 7 ( o r r i r l =50 w c , l = f , f p 5 =z h m 1, e r u g i f5 2 7 C b d k l a t s s o r cx k l a t r l 0 5 = w c , l = f , f p 5 =z h m 1, 6 e r u g i f5 8 C f f o o n r o c n e c n a t i c a p a c c ) f f o ( z h m 1 = f,7 e r u g i f9 f p f f o m o c e c n a t i c a p a c c ) f f o ( m o c z h m 1 = f,7 e r u g i f9 n o m o c e c n a t i c a p a c c ) n o ( m o c z h m 1 = f,8 e r u g i f2 2 y l p p u s e g n a r y l p p u s - r e w o pC v , + v7 . 2 8 v y l p p u s e v i t i s o p t n e r r u c + i v , v 5 . 5 C = - v , v 5 . 5 = + v n i , + v r o v 0 = f f o r o n o s l e n n a h c l l a 5 20 85 2 1 a m l l u f0 0 2 y l p p u s e v i t a g e n t n e r r u c C i 5 25 2 1 C0 8 C l l u f0 0 2 C electrical specifications - dual supplies (v = 5v 10%, v inh = 3.5v, v inl = 1v) continued
1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 ps320/ps321/ps322 precision, dual-supply analog switches 4 ps8183d 01/11/01 test circuits/timing diagrams figure 2. switching time figure 3. break-before-make interval (ps322 only) figure 4. charge injection -5v v- +5v no or nc com v com = 3v logic input in t r <20ns t f <20ns v out = v com r l r l + r on () c l includes fixture and stray capacitance v out r l 300 w c l 35pf logic input waveforms inverted for switches that have opposite logic t off t on v out 90% logic input switch output +5v 0v 0v 50% 90% v+ no1 nc2 -5v v- v com1 com2 +3v in +5v +5v 0v 50% 90% 90% 90% 50% logic input logic input c l c l r l 35 0v t v out2 v out1 out2 300 includes fixture and stray capacitance. d t d pf v c l r l 35 out1 300 pf v+ +5v no or nc -5v com r gen v out c l 1nf v out d v out in v gen on on off off off off in q = ( d v out )(c l ) in logic input in polarity depends on no or nc switch function
1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 ps320/ps321/ps322 precision, dual-supply analog switches 5 ps8183d 01/11/01 test circuits/timing diagrams (continued) figure 5. off isolation figure 7. channel-off capacitance figure 6. crosstalk figure 8. channel-on capacitance v+ +5v nc capacitance meter -5v 10nf or no com 10nf in v f = 1khz in v+ +5v nc analyzer v- -5v or no 10nf com 10nf 0dbm in v com in r l v+ +5v analyzer n02 com1 10nf in2 r l com signal generator 0dbm v com2 in1 n01 nc 50 w 50 in v in -5v 10nf v+ +5v nc -5v capacitance meter gnd or no com 10nf in v f = 1khz in ordering information w pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com t r a pe g n a r . p m e te g a k c a p a p c 0 2 3 s p c o 0 7 + o t c o 0 p i d c i t s a l p 8 a s c 0 2 3 s po s w o r r a n 8 x a u c 0 2 3 s pp o s m 8 a p e 0 2 3 s p c o 5 8 + o t c o 0 4 C p i d c i t s a l p 8 a s e 0 2 3 s po s w o r r a n 8 a p c 1 2 3 s p c o 0 7 + o t c o 0 p i d c i t s a l p 8 a s c 1 2 3 s po s w o r r a n 8 x a u c 1 2 3 s pp o s m 8 t r a pe g n a r . p m e te g a k c a p 2 3 s p1a p e c o 5 8 + o t c o 0 4 C p i d c i t s a l p 8 2 3 s p1a s eo s w o r r a n 8 a p c 2 2 3 s p c o 0 7 + o t c o 0 p i d c i t s a l p 8 a s c 2 2 3 s po s w o r r a n 8 x a u c 2 2 3 s pp o s m 8 a p e 2 2 3 s p c o 5 8 + o t c o 0 4 C p i d c i t s a l p 8 a s e 2 2 3 s po s w o r r a n 8
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