1 ps7079f 09/22/04 pin confgurations features ? rail-to-rail operation ? pin-compatible with 3125 bus switch & 74 series 125 ? single-supply operation: 2v to 6v ? low on-resistance: 8? typical @ 5v ? tight match between channels: 0.9? typical ? r on fatness: 3? typical ? low power consumption: 0.5-ohm typical ? high speed, t on = 8ns typical ? high-current channel capability: >100ma ? wide bandwidth: >200 mhz ? packaging (pb-free & green available): -14-pin soic (w) -16-pin qsop (q) applications ? instrumentation, ate ? audio switching and routing ? telecommunications systems ? data communications ? battery-powered systems ? replaces mechanical relays description pericom semiconducto's pi5a101 is an all-purpose analog switch designed for single-supply operation from +2v to +6v. this switch is ideal for audio, video, and data switching and routing. the pi5a101 is a quad spst (single-pole, single-throw) nc (normally closed) function. when on, each switch conducts current equally well in either direction. when off, they block voltages up to the power- supply rails. the pi5a101 is fully specifed with +5v and +3.3v supplies. with +5v the r on is 8? typical, making it ideal for replacing mechanical relays in data communications, test equipment, and instrumentation applications. matching between channels is better than 2?. r on fatness is better than 4? over the specifed range. these analog switches also offer wide bandwidth (>200 mhz high speed (t on >15ns), and low charge injection (q >10pc). the pi5a101 is available in the narrow-body 14-pin small soic and 16-pin qsop packages for operation over the industrial (C40c to +85c) temperature range. switches show for logic "0" input nic = not internally connected precision wide-bandwidth analog switch pi5a101 1 2 3 4 5 7 6 in 1 com 1 nc 1 in 2 om 2 nc 2 gnd 12 13 14 11 10 9 8 v cc com nc 4 in 3 com nc 3 in 4 16 v cc com nc 4 in 3 com nc 3 in 4 9 nic 12 13 14 11 10 15 1 2 3 4 5 7 6 8 soic top view qsop in 1 com 1 nc 1 in 2 om 2 nc 2 gnd nic truth table logic switch 0 on 1 off
2 ps7079f 09/22/04 pi5a101 precision wide-bandwidth analog switch electrical specifcations - single +5v supply (v cc = +5v 10%, gnd = 0v, v inh = 2.4v, v inl = 0.8v) parameter symbol conditions temp.(c) min. (1) typ. (2) max. (1) units analog switch analog signal range (3) v analog full 0 v cc v on-resistance r on v cc = 4.5v, i com = -30ma, v no or v nc = +2.5v 25 8 10 ? full 18 on-resistance match between channels (4) ?r on 25 0.9 2 full 4 on-resistance flatness (5) r flat(on) v cc = 5v, i com = -30ma, v no or v nc = 1v, 2.5v, 4v 25 3 4 full 5 no or nc off leak - age current (6) i no(off) or i nc(off) v cc = 5.5v, v com = 0v, v no or v nc = 4.5v 25 0.05 na full -80 80 com off leakage current (6) i com(off) v cc = 5.5v, v com = + 4.5v, v no or v nc = 0v 25 0.05 full -80 80 com on leakage current (6) i com(on) v cc = 5.5v, v com = +4.5v v no or v nc = +4.5v 25 0.07 full -80 80 logic input input high voltage v ih guaranteed logic high level full 2 v input low voltage v il guaranteed logic low level input current with voltage high i inh v in = 2.4v, all others = 0.8v 0.8 a input current with voltage low i inl v in = 0.8v, all others = 2.4v -1 0.005 1
3 ps7079f 09/22/04 pi5a101 precision wide-bandwidth analog switch electrical specifcations - single +5v supply (v cc = +5v 10%, gnd = 0v, v inh = 2.4v, v inl = 0.8v) (continued) parameter symbol conditions temp.(oc) min. (1) typ. (2) max. (1) units dynamic turn-on time t on v cc = 5v, see fgure 1 25 8 15 ns full 20 turn-off time t off 25 3.5 7 full 10 charge injection (3) q c l = 1nf, v gen = 0v, r gen = 0v, figure 2 25 7 10 pc off isolation o irr r l = 50?, c l = 5pf, f = 10mhz, see fgure 3 -55 db crosstalk (8) i com(off) r l = 50?, c l = 5pf, f = 10mhz, see fgure 4 -92 nc or no capacitance c (off) f = 1khz, see fgure 5 8 pf com off capacitance c com(off) 8 com on capacitance c com(on) f = 1khz, see fgure 6 14 3-db bandwidth bw r l = 10k? full 230 mhz distortion (9) d 0.03 % supply power-supple range v cc full 2 6 v positve supply current i cc v cc = 3.6v, v in = 0v or v+, all channels on or off 1 a
4 ps7079f 09/22/04 pi5a101 precision wide-bandwidth analog switch continuous power dissipation narrow so & qsop (derate 8.7mw/ o c above +70 o c) ........... 650mw storage temperature ................................................. -65 o c to +150 o c lead temperature (soldering, 10s) .......................................... +300 o c voltages referenced to gnd v cc ............................................................... .................. C0.5v to +7v v in , v com , v nc (1) ................................................ C0.5v to v cc +2v ........................................................... or 30ma, whichever occurs frst current (any terminal except com, no, nc) ............................ 30ma current: com, no, nc (pulsed at 1ms, 10% duty cycle) ....... 120ma notes 1. signals on nc, com, or in exceeding v cc or gnd are clamped by internal diodes. limit forward diode current to 30ma. 2. caution: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress only rating and operation of the device at these or any other conditions beyond those indicated in the operational sections of this spec ifcation is not implied. absolute maximum ratings notes: 1. the algebraic convention, where most negative value is a minimum and 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. r ? = r ? max - r ? ?? 5. flatness is defned 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 b / v a . see figure 3. 8. between any two switches. see figure 4. 9. d = r flat(on) /r l . thermal information electrical specifcations-single +3.3v supply (v cc = +3.3v 10%, gnd = 0v, v inh = 2.4v, v inl = 0.8v) parameter symbol conditions temp.(c) min. (1) typ. (2) max. (1) units analog switch analog signal range (3) v analog full 0 v cc v on-resistance r on v cc = 3v, i com = -30ma, v no or v nc = 1.5v 25 7.2 18 ? full 28 on-resistance match be - tween channels (4) ?r on 25 0.2 2 full 4 on-resistance flatness (3,5) r flat(on) v cc = 3.3v, i com = -30ma, v no or v nc = 0.8v, 2.5v 25 2.72 10 full 12 dynamic turn-on time t on v cc = 3.3v, v no or v nc = 1.5v, see fgure 1 25 7 25 ns full 40 turn-off time t off 25 1 12 full 20 charge injection (3) q c l = 1nf, v gen = 0v, r gen = 0?, figure 2 25 1.6 10 pc supply positve supply current i cc v cc = 3.6v, v in = 0v or v cc, all channels on or off full 1 a
5 ps7079f 09/22/04 pi5a101 precision wide-bandwidth analog switch typical operating characteristics (t a = +25oc, unless otherwise noted) charge injection vs. analog voltage leakage current vs. temperature crosstalk and off-isolation vs. frequency r on vs. v com r on vs. v com and temperature leakage currents vs. analog voltage 8 4 12 16 1 2 3 4 5 r on (ohm) v com (v) ? 0 a b c 0 a: t a = 90c b: t a = 25c c: t a = C49c v cc = +5v 20 10 30 40 +5v +7v 1 2 3 4 5 6 7 v cc = +2v +3.3v r on (ohm) v a (v) 0 8 16 20 -8 -16 0 1 2 3 4 5 leakage (pa) n o , n c , v c om (v) v cc = +5v i a (on) or i b (on) i a (off) or i b (off ) -40 40 80 10na 1na 100pa 10pa 1pa 0.1pa 0.01pa t emperature c leakage 0 v cc = +5v i a (off) or i b (off) i a (on) or i b (on) 15 10 5 0 -5 0 1 2 3 4 5 q-charge injection (pc) v cc = 3.3v v cc = 5v v com (v) -100 -80 -60 -40 -20 0 2 1 4 10 6 8 20 40 60 80 100 200 (db) frequency (mhz) v cc = +5v crosstalk of f isolation
6 ps7079f 09/22/04 pi5a101 precision wide-bandwidth analog switch switching times vs. v cc switching times vs. temperature insertion loss vs. frequency input switching threshold vs. supply voltage supply current vs. input switching frequency supply current vs. temperature 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 3 1 6 10 30 60 100 300 insertion loss (db) frequency (mhz) -3db point v cc = +5v r l = 50ohm 4.5 7 5 5.5 6.5 6 4 3.5 20 15 10 5 0 25 3 t on t off v cc (v) t on , t off , (ns) 4 3 2 1 0 5 4 3 7 5 6 v cc (v) v oe (v) 20 15 10 5 0 -40 0 40 8 0 t emperature (oc) ? t on , t off , (ns) 10 1 0.1 0.01 0.001 -40 0 40 8 0 t emperature (c) v cc = +5v i cc (na) 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 2 1 3 4 5 6 7 8 9 10 frequency (mhz) v cc = +5v i cc (ma )
7 ps7079f 09/22/04 pi5a101 precision wide-bandwidth analog switch test circuits/timing diagrams figure 1. switching time figure 2. charge injection v+ +5v nc gnd com r gen v out c l 1nf v out ? v out in v gen on on off off in off off q = ( ? v out )(c l ) in logic input v cc +5v nc gnd com +3v* logic input in t r <20ns t f <20ns v out = v no r l r l + r on ( ) c l includes fixture and stray capacitance v out r l 100-ohm c l 15pf logic input waveforms inverted for switches that have opposite logic. * 1.5v for 3.3v supply t off t on v out 90% 90% logic input switch output +3v 0v 0v 50% switch input
8 ps7079f 09/22/04 pi5a101 precision wide-bandwidth analog switch test circuits/timing diagrams (continued) figure 3. off isolation figure 5. channel-off capacitanc e figure 6. channel-on capacitanc e figure 7. bandwidth figure 4. crosstalk v+ +5v analyzer gnd nc com 10nf in 50-ohm 0v or 2.4v com 50-ohm v+ +5v capacitance meter gnd nc com 10nf in 0v or 2.4v f = 1khz v+ +5v capacitance meter gnd nc com 10nf in 0v or 2.4v f = 1khz v cc gnd nc 10nf com +5v v o r g = 50-ohm r l = 50-ohm v+ +5v gnd nc com1 10nf no1 no2 signal generator 0dbm
9 ps7079f 09/22/04 pi5a101 precision wide-bandwidth analog switch packaging mechanical: 16-pin, qsop (q) .189 .197 .053 .069 .004 .010 seating plane .025 bsc .007 .010 .228 .244 1 16 .150 .157 .016 .050 x.xx x.xx denotes dimensions in millimeters 0.635 4.80 5.00 1.35 1.75 5.79 6.19 0.101 0.254 .008 .012 0.203 0.305 3.81 3.99 0.178 0.254 0.38 0.41 1.27 .008 0.203 .015 x 45 ref detail a detail a .008 0.20 min. guage plane .010 0.254 .041 1.04 ref .016 .035 0.41 0.89 0?-6? .008 .013 0.20 0.33 packaging mechanical: 14-pin, soic (w) sea ting plane .050 bsc 1 14 x 45? 0-8? .149 .157 x.xx x.xx deno tes dimensions in millimeters 3.78 3.99 .336 .344 8.55 8.75 .0155 .026 0.393 0.660 1.27 .053 .068 1.35 1.75 .2284 .2440 5.80 6.20 .013 .020 0.330 0.508 .0040 .0098 0.10 0.25 .0099 .0196 0.25 0.50 .0075 .0098 0.19 0.25 .016 .050 0.41 1.27 ref
1 0 ps7079f 09/22/04 pi5a101 precision wide-bandwidth analog switch ordering information ordeing code package code package description pi5a101q q 16-pin, qsop pi5a101qe q pb-free & green, 16-pin, qsop pi5a101w w 14-pin soic PI5A101WE w pb-free & green, 14-pin soic pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com notes: 1. thermal characteristics can be found on the company web site at www .pericom.com/packaging/
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