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sgm3157 4.5 ? low voltage spdt analog switch in 6-pin sc70 general description the sgm3157 is a single, bidirectional, single-pole/ double-throw (spdt) cmos analog switch that is designed to operate from a single +1.8v to +5.5v supply. it features high-bandwidth (300mhz) and low on- resistance (4.5 ? typ), targeted applications for audio switching. sgm3157 features guaranteed on-resistance matching (0.3 ? max) between switches and guaranteed on-resistance flatness over the signal range (2.3 ? typ). this ensures excellent linearity and low distortion when switching audio signals. sgm3157 is available in green sc70-6 package. applications portable instrumentation battery-operated equipment computer peripherals cell phones pdas mp3s function table logic no nc 0 off on 1 on off switches shown for logic ?0? input features voltage operation: 1.8v to 5.5v on-resistance: 4.5 ? (typ) at 5.0v fast switching times t on 20ns t off 15ns high bandwidth: 300mhz high off-isolation: -51db at 10mhz rail-to-rail operation ttl/cmos compatible break-before-make switching extended industrial temperature range: -40 to +85 available in green sc70-6 package pin configuration (top view) sgm3157yc6 4 3 1 6 5 no in sc70-6 com v + nc 2 gnd 3157 rev. c. 1 sg micro corp www.sg-micro.com
4.5 ? low voltage spdt analog switch in 6-pin sc70 2 sgm3157 sg micro corp www.sg-micro.com package/ordering information model pin- package specified temperature range ordering number package marking package option sgm3157 sc70-6 -40 to +85 sgm3157yc6/tr 3157 tape and reel, 3000 absolute maximum ratings v + , in to gnd.............................................................-0.3v to 6v analog, digital voltage range (1) ................... -0.3v to (v + ) + 0.3v continuous current no, nc, or com..............................50ma peak current no, nc, or com .......................................80ma operating temperature range .................. ......... -40 to +85 junction temperature........................................................150 storage temperature range.......................... -65 to +150 lead temperature (soldering, 10s)................................ 260 esd (hbm).................................................................... 2000v esd (mm)........................................................................ 400v notes: 1. signals on nc, no, or com or in exceeding v + will be clamped by internal diodes. limi t forward diode curren t to maximum current ratings. 2. stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only, and functional operation of th e device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximu m rating conditions for extended periods may affect device rel iability. caution this integrated circuit can be damaged by esd if you don?t pay attention to esd protection. sgmicro recommends that all integrated circuits be handled with appropriate precautions. fa ilure to observe proper handling and installation procedures can cause damage. esd damage can range from subtle performance degradation to complete device failure. precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. sgmicro reserves the right to make any c hange in circuit design, specification or ot her related things if necessary without not ice at any time. please contact sgmicro sales office to get the latest datasheet. pin description name pin function no 1 normally-open terminal. gnd 2 ground. nc 3 normally-closed terminal. com 4 common terminal. v + 5 power supply. in 6 digital control pin to connect the com terminal to the no or nc terminals. note: no, nc and com terminals may be an input or output.
4.5 ? low voltage spdt analog switch in 6-pin sc70 3 sgm3157 sg micro corp www.sg-micro.com electrical characteristics (v + = +4.5v to +5.5v, v ih = +2.0v, v il = +0.8v, t a = -40 to +85 , typical values are at v + = 5.0v, t a = +25 , unless otherwise noted.) parameter symbol conditions temp min typ max units analog switch analog signal range v no , v nc , v com -40 to +85 0 v + v +25 4.5 8 ? on-resistance r on v + = 4.5v, v no or v nc = 3.5v, i com = -10ma, test circuit 1 -40 to +85 8.5 ? +25 0.15 0.3 ? on-resistance match between channels ? r on v + = 4.5v, v no or v nc = 3.5v, i com = -10ma, test circuit 1 -40 to +85 0.4 ? +25 2.3 3.3 ? on-resistance flatness r flat(on) v + = 4.5v, v no or v nc = 1.0v, 2.0v, 3.5v, i com = -10ma, test circuit 1 -40 to +85 3.7 ? source off leakage current i nc(off) , i no(off) v + = 5.5v, v no or v nc = 1.0v, 4.5v, v com = 4.5v, 1.0 v -40 to +85 1 a channel on leakage current i nc(on) , i no(on) , i com(on) v + = 5.5v, v com = 1.0v, 4.5v, v no or v nc = 1.0v, 4.5v, or floating -40 to +85 1 a digital inputs input high voltage v inh -40 to +85 1.5 v input low voltage v inl -40 to +85 0.6 v input leakage current i in v + = +5.5v, v in = 0v or 5.5v -40 to +85 1 a dynamic characteristics turn-on time t on v no or v nc = 3.0v, v ih = 1.5v, v il = 0v, r l = 300 ? , c l = 35pf, test circuit 2 +25 20 ns turn-off time t off v no or v nc = 3.0v, v ih = 1.5v, v il = 0v, r l = 300 ? , c l = 35pf, test circuit 2 +25 15 ns break-before-make time delay t d v no1 or v nc1 = v no2 or v nc2 = 3v, r l = 300 ? , c l = 35pf, test circuit 3 +25 5 ns skew t skew rs = 39 ? , c l = 50pf, test circuit 4 +25 5 ns f = 10mhz +25 -51 db off isolation o iso r l = 50 ? , c l = 5pf, signal = 0dbm, test circuit 5 f = 1mhz +25 -72 db -3db bandwidth bw signal = 0dbm, r l = 50 ? , c l = 5pf, test circuit 6 +25 300 mhz source off capacitance c nc(off) , c no(off) f = 1mhz +25 5.5 pf channel on capacitance c nc(on) , c no(on) , c com(on) f = 1mhz +25 15.5 pf power requirements power supply range v + -40 to +85 1.8 5.5 v power supply current i + v + = +5.5v, v in = 0v or v + -40 to +85 5 a
4.5 ? low voltage spdt analog switch in 6-pin sc70 4 sgm3157 sg micro corp www.sg-micro.com electrical characteristics (v + = +2.7v to +3.6v, v ih = +1.4v, v il = +0.5v, t a = -40 to +85 , typical values are at v + = 3.0v, t a = +25 , unless otherwise noted.) parameter symbol conditions temp min typ max units analog switch analog signal range v no , v nc , v com -40 to +85 0 v + v +25 7 10 ? on-resistance r on v + = 2.7v, v no or v nc = 1.5v, i com = -10ma, test circuit 1 -40 to +85 10.5 ? +25 0.15 0.3 ? on-resistance match between channels ? r on v + = 2.7v, v no or v nc = 1.5v, i com = -10ma, test circuit 1 -40 to +85 0.4 ? +25 3 4 ? on-resistance flatness r flat(on) v + = 2.7v, v no or v nc = 1.0v, 1.5v, 2.0v, i com = -10ma, test circuit 1 -40 to +85 4.3 ? source off leakage current i nc(off) , i no(off) v + = 3.6v, v no or v nc = 0.3v, 3.3v, v com = 3.3v, 0.3v, -40 to +85 1 a channel on leakage current i nc(on) , i no(on) , i com(on) v + = 3.6v, v com = 0.3 v, 3.3v, v no or v nc = 0.3v, 3.3v, or floating -40 to +85 1 a digital inputs input high voltage v inh -40 to +85 1 v input low voltage v inl -40 to +85 0.5 v input leakage current i in v + = +5.5v, v in = 0v or 3.6v -40 to +85 1 a dynamic characteristics turn-on time t on v no or v nc = 1.5v, v ih = 1.5v, v il = 0v, r l = 300 ? , c l = 35pf, test circuit 2 +25 30 ns turn-off time t off v no or v nc = 1.5v, v ih = 1.5v, v il = 0v, r l = 300 ? , c l = 35pf, test circuit 2 +25 25 ns break-before-make time delay t d v no1 or v nc1 = v no2 or v nc2 = 3v, r l = 300 ? , c l = 35pf, test circuit 3 +25 8 ns skew t skew r s = 39 ? , c l = 50pf, test circuit 4 +25 2 ns f = 10mhz +25 -51 db off isolation o iso r l = 50 ? , c l = 5pf, signal = 0dbm, test circuit 5 f = 1mhz +25 -72 db -3db bandwidth bw signal = 0dbm, r l = 50 ? , c l = 5pf, test circuit 6 +25 300 mhz source off capacitance c nc(off) , c no(off) f = 1mhz +25 5.5 pf channel on capacitance c nc(on) , c no(on) , c com(on) f = 1mhz +25 15.5 pf power requirements power supply range v + -40 to +85 1.8 5.5 v power supply current i + v + = +5.5v, v in = 0v or v + -40 to +85 5 a
4.5 ? low voltage spdt analog switch in 6-pin sc70 5 sgm3157 sg micro corp www.sg-micro.com typical performance characteristics on response vs. frequency -9 -6 -3 0 3 1 10 100 1000 frequency (mhz) on response (db) v + = +3v t a = +25 respo nse vs. freq uency -140 -120 -100 -80 -60 -40 -20 0 20 0.01 0.1 1 10 1 00 1000 freque ncy (mhz) on response (db) v + = +3v t a = + 25 on-loss off-isolation on response vs. freq uency -9 -6 -3 0 3 1 10 100 1000 frequency (mhz) on response (db) v + = +5v t a = +25 resp onse vs. fr equency -140 -120 -100 -80 -60 -40 -20 0 20 0.01 0.1 1 1 0 100 1000 frequency (m hz) on re sponse (db) v + = +5v t a = +25 on-loss off-isolation
4.5 ? low voltage spdt analog switch in 6-pin sc70 6 sgm3157 sg micro corp www.sg-micro.com test circuits v1 10ma no or nc com v no or v nc r on = v1/10ma test circuit 1. on resistance v out no or nc com r l 300 v + gnd c l 35pf in 0.1 f v + v out v in 50% 90% 50% 90% t on t off v no or v nc test circuit 2. switching times v out no com v no or v nc r l 300 v + gnd c l 35pf in 0.1 f v + v out v in 50% 90% t d nc v no or v nc 0 test circuit 3. break-before-make time delay, t d
4.5 ? low voltage spdt analog switch in 6-pin sc70 7 sgm3157 sg micro corp www.sg-micro.com test circuits (cont.) no or nc com in c l r s out in sgm3157 rise time delay = | t inrise C t outrise | fall time delay = | t infall C t outfall | rise time to fall time mismatch = | t outfall C t outrise | v in v + 0v v out v + 0v 50% 50% t skew 90% 10% t infall 90% 10% t inrise 90% 10% t infall 90% 10% t inrise test circuit 4. output signal skew v out no com r l 50 v + gnd 0.1f v + source signal in nc c l 5pf r l 50 test circuit 5. off isolation
4.5 ? low voltage spdt analog switch in 6-pin sc70 8 sgm3157 sg micro corp www.sg-micro.com test circuits (cont.) v out no or nc com v + gnd c l 5pf in 0.1f v + source signal test circuit 6. -3db bandwidth
4.5 ? low voltage spdt analog switch in 6-pin sc70 9 sgm3157 sg micro corp www.sg-micro.com package outline dimensions sc70-6 e e1 e1 e d b a a2 a1 l c 0.20 l1 0.65 0.75 1.3 0.4 1.9 recommended land pattern (unit: mm) dimensions in millimeters dimensions in inches symbol min max min max a 0.900 1.100 0.035 0.043 a1 0.000 0.100 0.000 0.004 a2 0.900 1.000 0.035 0.039 b 0.150 0.350 0.006 0.014 c 0.080 0.150 0.003 0.006 d 2.000 2.200 0.079 0.087 e 1.150 1.350 0.045 0.053 e1 2.150 2.450 0.085 0.096 e 0.65 typ 0.026 typ e1 1.300 bsc 0.051 bsc l 0.525 ref 0.021 ref l1 0.260 0.460 0.010 0.018 0 8 0 8
4.5 ? low voltage spdt analog switch in 6-pin sc70 10 sgm3157 sg micro corp www.sg-micro.com tape and reel information note: the picture is only for reference. please make the object as the standard. key parameter list of tape and reel package type reel diameter reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p0 (mm) p1 (mm) p2 (mm) w (mm) pin1 quadrant sc70-6 7 9.5 2.4 2.5 1.2 4.0 4.0 2.0 8.0 q3 reel width (w1) reel diameter reel dimensions tape dimensions direction of feed p2 p0 w p1 a0 k0 b0 q1 q2 q4 q3 q3 q4 q2 q1 q3 q4 q2 q1
4.5 ? low voltage spdt analog switch in 6-pin sc70 11 sgm3157 sg micro corp www.sg-micro.com carton box dimensions note: the picture is only for reference. please make the object as the standard. key parameter list of carton box reel type length (mm) width (mm) height (mm) pizza/carton 7 (option) 368 227 224 8 7 442 410 224 18

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