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march 2012 ? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa5147 ? fsa4157a rev. 1.0.7 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch fsa4157, fsa4157a low-voltage, 1 spdt analog switch features ? fsa4157a features lower i cc when the s input is lower than v cc ? maximum 1.15 on resistance (r on ) at 4.5v v cc ? 0.3 maximum r on flatness at 4.5v v cc ? space-saving 6-lead, micropak? and sc70 6 packages ? broad v cc operating range: ? fsa4157: 1.65v to 5.5v ? fsa4157a: 2.7v to 5.5v ? fast turn-on and turn-off time ? break-before-make enable circuitry ? over-voltage tolerant ttl-compatible control circuitry description fsa4157 and fsa4157a are high performance single pole/double throw (spdt) analog switches. both devices feature ultra low r on of 1.15 maximum at 4.5v v cc and operates over the wide v cc range of 1.65v to 5.5v for fsa4157, and 2.7v to 5.5v for fsa4157a. the device is fabricated with sub-micron cmos technology to achieve fast switching speeds and is designed for break-before-make operation. the select input is ttl level compatible. the fsa4157a features very low quiescent current even when the control voltage is lower than the v cc supply. this feature services the mobile handset applications very well allowing for the direct interface with baseband processor general purpose i/os. ordering information part number top mark package description packing method fsa4157p6x a57 6-lead sc70, eiaj sc88, 1.25mm wide 3000 units tape and reel fsa4157l6x eg 6-lead micropak,? 1. 0mm wide 5000 units tape and reel fsa4157ap6x b57 6-lead sc70, eiaj sc88, 1.25mm wide 3000 units tape and reel fsa4157al6x eu 6-lead micropak?, 1. 0mm wide 5000 units tape and reel
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 2 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch pin configurations 1 6 b 1 s 2 5 gnd v cc 3 4 b 0 a (top view) 1 6 b 1 s 2 5 gnd v cc 3 4 b 0 a (top through view) figure 1. sc70 pin assignments figur e 2. micropak? pin assignments pin definitions pin# sc70 pin# micropak? name description 1 6 b1 data ports 2 5 gnd ground 3 4 b0 data ports 4 3 a data ports 5 2 v cc supply voltage 6 1 s control input truth table control input (s) function low b0 connected to a high b1 connected to a
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 3 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch absolute maximum ratings stresses exceeding the absolute maximum ratings may damage the device. the devic e may not function or be operable above the recommended operating c onditions and stressing the parts to these levels is not recommended. in addition, extended exposure to stre sses above the recommended operating conditi ons may affect device reliability. the absolute maximum ratings are stress ratings only. symbol parameter min. max. unit v cc supply voltage -0.5 6.0 v v s dc switch voltage (1) -0.5 v cc + 0.5 v v in dc input voltage (1) -0.5 6.0 v i ik dc input diode current -50 ma i sw switch current 200 ma i swpeak peak switch current (pulse at 1ms duration, <10% duty cycle) 400 ma p d power dissipation at 85c sc70 180 mw micropak? t stg storage temperature range -65 +150 c t j maximum junction temperature +150 c t l lead temperature (soldering, 10 seconds) +260 c esd electrostatic discharge capability human body model, jesd22-a114 (fsa4157a) 7500 v note : 1. input and output negat ive ratings may be exceeded if input and out put diode current ratings are observed. recommended operating conditions the recommended operating conditions table defines the conditions for actual device oper ation. recommended operating conditions are specified to ens ure optimal performance to the datasheet specificat ions. fairchild does not recommend exceeding them or designing to absolute maximum ratings. symbol parameter min. max. unit v cc supply voltage fsa4157 1.65 5.50 v fsa4157a 2.7 5.5 v cntrl control input voltage (2) 0 v cc v v sw switch input voltage 0 v cc v t a operating temper ature -40 +85 c ja thermal resistance in still air sc70 350 c/w micropak? (estimated) 330 note : 2. control input must be held high or low and it must not float.
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 4 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch dc electrical characteristics typical values are at 25c unless otherwise specified . symbol parameter conditions v cc (v) ambient temperature units -25 -40 to +85c min. typ. max. min. max. v ih input voltage high fsa4157 only 1.8 to 2.7 1.0 v 2.7 to 3.6 2.0 4.5 to 5.5 2.4 v il input voltage low fsa4157 only 1.8 to 2.7 0.4 v fsa4157a only 2.7 to 3.6 0.4 2.7 to 3.6 0.6 4.5 to 5.5 0.8 i in control input leakage v in =0v to v cc 2.7 to 3.6 -1.0 1.0 a 4.5 to 5.5 -1.0 1.0 i no(off) , i nc(off) off leakage current of port b0 and b1 a=1v, 4.5v, b 0 or b 1 =4.5, 1v 5.5 -2 2 -20 20 na i a(on) on leakage current of port a a=1v, 4.5v, b 0 or b 1 =4.5, 1v,4.5v or floating 5.5 -4 4 -40 40 na r on switch on resistance i out =100ma, b 0 or b 1 =1.5v 2.7 2.6 4.0 4.3 i out =100ma, b 0 or b 1 =3.5v 4.5 0.95 1.15 1.30 r on on resistance matching between channels (4) i out =100ma, b 0 or b 1 =1.5v 4.5 0.06 0.12 0.15 r flat(on) on resistance flatness (4) i out =100ma, b 0 or b i =0v, 0.75v,1.5v 2.7 1.4 i out =100ma, b 0 or b i =0v, 1v, 2v 4.5 0.2 0.3 0.4 i cc quiescent supply current v in =0v or v cc , i out =0v 3.6 0.1 0.5 1.0 a 5.5 0.1 0.5 1.0 i cc increase in i cc per input one input at 2.7v, others at v cc or gnd (fsa4157a only) 4.3 0.2 10.0 a notes: 3. measured by the voltage drop between the a and b pins at the indi cated current through the switch. on resistance is determined by the lower of the voltage on the two (a or b ports). 4. r on = r on max ? r on min measured at identical v cc , temperature, and voltage. 5. flatness is defined as the diffe rence between the maximum and minimum value of on resistance over the specified range of conditions.
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 5 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch ac electrical characteristics typical values are at 25c unless otherwise specified . symbol parameter conditions v cc (v) ambient temperature units figure -25 -40 to +85c min. typ. max. min. max. t on turn-on time b 0 or b 1 =1.5v, r l =50 , c l =35pf (fsa4157a only) 2.7 to 3.6 60 65 ns figure 8 b 0 or b 1 =1.5v, r l =50 , c l =35pf 2.7 to 3.6 50 60 b 0 or b 1 =1.5v, r l =50 , c l =35pf 4.5 to 5.5 35 40 t off turn-off time b 0 or b 1 =1.5v, r l =50 , c l =35pf 2.7 to 3.6 20 30 ns figure 8 b 0 or b 1 =1.5v, r l =50 , c l =35pf 4.5 to 5.5 15 20 t bbm break- before-make time fsa4157 2.7 to 3.6 ns figure 9 4.5 to 5.5 20 fsa4157a only 4.5 to 5.5 25 q charge injection c l =1.0nf, v ge =0v, r gen =0 2.7 to 3.6 10 pc figure 11 4.5 to 5.5 20 oirr off isolation f=1mhz, r l =50 2.7 to 3.6 -70 db figure 10 4.5 to 5.5 -70 xtalk crosstalk f=1mhz, r l =50 2.7 to 3.6 -70 db figure 10 4.5 to 5.5 -70 bw -3db bandwidth r l =50 2.7 to 3.6 300 mhz figure 13 4.5 to 5.5 300 thd total harmon distortion r l =600 , v in =0.5 , f=20hz to 20khz 2.7 to 3.6 0.002 % figure 14 4.5 to 5.5 0.002 capacitance symbol parameter condition s v cc (v) ambient temperature -25 units figure min. typ. max. c in control pin input capacitance f=1mhz 0 3.5 pf figure 12 c off b port off capacitance f= 1mhz 4.5 12.0 pf figure 12 c on on capacitance f=1mhz 4.5 40.0 pf figure 12
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 6 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch typical performance characteristics 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 1 10 100 1,000 off isolation (db) frequency (mhz) figure 3. off isolation, v cc = 2.7v to 5.5v 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 1 10 100 1,000 off isolation (db) frequency (mhz) figure 4. crosstalk, v cc = 2.7v to 5.5v 0 -1 -2 -3 -4 -5 -6 -7 -8 1 10 100 1,000 gain (db) frequency (mhz) c l = 0pf, v cc = 2.7v figure 5. bandwidth, v cc = 2.7v to 5.5v
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 7 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch typical performance characteristics (continued) 2.500 ?40c v in = 1.500v r on = 2.032 2.160 1.819 1.479 1.139 0.799 -0.600 0.000 0.600 1.200 v in (v) r on ( ) 1.800 2.400 3.000 25c v in = 1.500v r on = 2.161 85c v in = 1.500v r on = 2.322 figure 6. r on switch on resistance, i on = 100ma, v cc = 2.7 1.500 ?40c v in = 3.500v r on = 804.300m 1.327 1.154 0.981 0.808 0.635 -0.960 0.000 0.960 1.920 v in (v) r on (w) 2.880 3.840 4.800 25c v in = 3.500v r on = 999.800m 85c v in = 3.500v r on = 1.182 figure 7. r on switch on resistance, i on = 100ma, v cc = 4.5v
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 8 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch ac loadings and waveforms t off t r < 2.5ns t f < 2.5ns 0.9 x v out 0.9 x v out r l 50 c l 35 50% gnd v inh v inl control input switch output o v out v out i on v cc v b0 v b1 b 0 or b 1 c l includes fixture and stray capacitance logic input waveforms inverted for switches that have the opposite logic sense a s or figure 8. turn on / off timing s gnd c ontrol i n p ut control input c l includes fixture and stray capacitance v bn b 0 b 1 a v out v inh v inl t bb-m v cc 0.9 x v out 50% r l 50 c l 35 v out control input figure 9. break before make timing gnd fsa4157 off-isolation = 20log network analyzer meas ref a v out v in on-loss = 20log v out v in crosstalk = 20log v out v in b o b b b 1 s v cc 10nf 0 or v cc v cc 50 50 50 50 50 v out v in b o figure 10. off isolation and crosstalk
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 9 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch ac loadings and waveforms (continued) gnd a b 0 or b 1 r gen v ge + s v cc v out v out q = ( v out )(c l ) in in on on off off off off c l co n t r o l input v out figure 11. charge injection gnd a s v cc v inl or v inh f = 1mhz capacitance meter 10nf b 0 or b 1 figure 12. on / off capacitance measurement setup gnd a b n v cc s 10nf analyzer signal generator 0dbm logic input 0v or v cc 50 figure 13. bandwidth gnd a b n v cc s 10nf analyzer signal generator logic input 0v or v cc v in r l figure 14. harmonic distortion
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 10 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch physical dimensions detail a scale: 60x b 1.90 2.00 0.20 0.50 min 1.00 0.80 1.10 0.80 0.10 c 0.25 0.10 0.46 0.26 0.20 gage plane (r0.10) 30 0 seating plane c 0.10 0.00 notes: unless otherwise specified a) this package conforms to eiaj sc-88, 1996. b) all dimensions are in millimeters. c) dimensions do not include burrs or mold flash. d) drawing filename: mkt-maa06arev6 2.100.30 0.10 ab 0.65 1.30 (0.25) 0.30 0.15 1 1.25 0.10 3 1.30 0.40 min see detail a land pattern recommendation 6 a 4 c 0.65 l symm pin one figure 15. 6-lead, sc70, eiaj sc88 1.25mm wide package package drawings are provided as a servic e to customers considering fairchild co mponents. drawings may change in any manner without notice. please note the revision and/or date on the drawi ng and contact a fairchild semiconductor representative to ver ify or obtain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and conditions, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online pack aging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. tape and reel specifications please visit fairchild semiconductor?s online packaging area for the most re cent tape and reel specifications: http://www.fairchildsemi.com/products/analog/pdf/sc70-6_tr.pdf . package designator tape section cavity number cavity status cover type status p6x leader (start end) 125 (typical) empty sealed carrier 3000 filled sealed trailer (hub end) 75 (typical) empty sealed
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 11 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch physical dimensions (continued) 2. dimensions are in millimeters 1. conforms to jedec standard m0-252 variation uaad 4. filename and revision: mac06arev4 notes: 3. drawing conforms to asme y14.5m-1994 top view recommened land pattern bottom view 1.45 1.00 a b 0.05 c 0.05 c 2x 2x 0.55max 0.05 c (0.49) (1) (0.75) (0.52) (0.30) 6x 1x 6x pin 1 detail a 0.075 x 45 chamfer 0.25 0.15 0.35 0.25 0.40 0.30 0.5 (0.05) 1.0 5x detail a pin 1 terminal 0.40 0.30 0.45 0.35 0.10 0.00 0.10 cba 0.05 c c 0.05 c 0.05 0.00 5x 5x 6x (0.13) 4x 6x pin 1 identifier (0.254) 5. pin one identifier is 2x length of any 5 other line in the mark code layout. figure 16. 6-lead, micropak? 1.0mm wide package package drawings are provided as a servic e to customers considering fairchild co mponents. drawings may change in any manner without notice. please note the revision and/or date on the drawi ng and contact a fairchild semiconductor representative to ver ify or obtain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and conditions, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online pack aging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ . tape and reel specifications please visit fairchild semiconductor?s online packaging area for the most re cent tape and reel specifications: http://www.fairchildsemi.com/products/logic/pdf/micropak_tr.pdf . package designator tape section cavity number cavity status cover type status l6x leader (start end) 125 (typical) empty sealed carrier 5000 filled sealed trailer (hub end) 75 (typical) empty sealed
? 2006 fairchild semiconductor corporation www.fairchildsemi.com fsa4157 ? fsa4157a rev. 1.0.7 12 fsa4157, fsa4157a ? low-voltage, 1 spdt analog switch

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