sgm4157yc spdt 0.8 ? analog switch general description the sgm4157yc is a single low on-resistance (0.8 ? ), fast single-pole double-throw (spdt) cmos switch. it is designed for low operating voltage, high current switching of speaker output for cell phone applications. the sgm4157yc can handle a balanced microphone/ speaker/ring tone generator in a monophone mode. the device contains a break ? before ? make (bbm) feature. the control input, in, tolerates input drive signals up to 5.5v, independent of supply voltage. sgm4157yc 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: 0.8 ? (typ) ? -3db bandwidth: 90mhz ? high off-isolation: -45db at 10mhz ? rail-to-rail operation ? low static power ? ttl/cmos compatible ? break-before-make switching ? extended industrial temperature range: -40 to +85 ? microsize package pin configuration (top view) 3 4 6 1 2 no in gnd v + nc 5 com sc70-6 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 terminal may be an input or output. rev. c sg micro corp www.sg-micro.com
sgm4157yc spdt 0.8 ? analog switch 2 sg micro corp www.sg-micro.com package/ordering information model pin- package specified temperature range ordering number package marking package option sgm4157yc sc70-6 -40 to +85 sgm4157yc6/tr 4157 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?????.... ......150ma peak current no, nc, or com????????..........250ma operating temperature range .................. ..........-40 to +85 junction temperature........................................................150 storage temperature range............................. -65 to +150 lead temperature (soldering, 10s) ............... ................... 260 esd susceptibility hbm.................... ..................... ...................... .................. 8000v mm..................................................................................... 400v notes: 1. signals on nc, no, or com or in exceeding v + will be clamped by internal diodes. limit forward diode current 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 the device at these or any other conditions beyond those indicated in the operational sections of the s pecifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. 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 wi th appropriate precautions. failure 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 change in circuit design, specification or other related things if necessary without notice at any time. please contac t sgmicro sales office to get the latest datasheet.
sgm4157yc spdt 0.8 ? analog switch 3 sg micro corp www.sg-micro.com electrical characteristics (v + = 4.5v to 5.5v, gnd = 0v. typical values are at 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 +25 0 v + v on-resistance r on v + = 4.5v, 0 v v no or v nc v + i com = -100ma, test circuit 1 +25 0.8 ? +25 0.02 0.2 on-resistance match between channels ? r on v + = 4.5v, 0v v no or v nc v + i com = -100ma, test circuit 1 -40 to +85 0.3 ? +25 0.25 0.45 on-resistance flatness r flat(on) v + = 4.5v, 0v v no or v nc v + i com = -100ma, test circuit 1 -40 to +85 0.6 ? +25 0.1 source off leakage current i nc(off) , i no(off) v + = 5.5v, v no or v nc = 4.5v/1v v com = 1v/4.5v -40 to +85 1 a +25 0.1 channel on leakage current i nc(on) , i no(on) , i com(on) v + = 5.5v, v com = 1v/4.5v v no or v nc = floating -40 to +85 1 a digital inputs input high voltage v inh v + = 4.5v +25 1.6 v input low voltage v inl v + = 4.5v +25 0.4 v input leakage current i in v + = 4.5v, v in = 0v or v + +25 0.1 a dynamic characteristics turn-on time t on v + = 4.5v, v no or v nc = 3.0v r l = 300 ? , c l = 35pf, test circuit 2 +25 56 ns turn-off time t off v + = 4.5v, v no or v nc = 3.0v r l = 300 ? , c l = 35pf, test circuit 2 +25 32 ns break-before-make time delay t d v + = 4.5v, v no or v nc = 3.0v r l = 300 ? , c l = 35pf, test circuit 3 +25 28 ns skew t skew r s = 39 ? , c l = 50pf, test circuit 4 +25 7 ns 10mhz +25 -45 db off isolation o iso v + = 4.5v, r l = 50 ? signal = 0dbm, test circuit 5 1mhz +25 -65 db -3db bandwidth bw v + = 4.5v, signal = 0dbm, r l = 50 ? test circuit 6 +25 90 mhz channel on capacitance c nc(on) , c no(on) , c com(on) v + = 4.5v, f = 1mhz +25 40 pf channel off capacitance c nc(off) , c no(off) , c com(off) v + = 4.5v, f = 1mhz +25 8.5 pf power requirements power supply range v + +25 1.8 5.5 v power supply current i + v + = 5.5v, v in = 0v or v + +25 0.1 a
sgm4157yc spdt 0.8 ? analog switch 4 sg micro corp www.sg-micro.com electrical characteristics (v + = 2.7v to 3.6v, gnd = 0v. typical values are at 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 +25 0 v + v on-resistance r on v + = 2.7v, 0v v no or v nc v + i com = -100ma, test circuit 1 +25 1.4 ? +25 0.03 0.3 on-resistance match between channels ? r on v + = 2.7v, 0v v no or v nc v + i com = -100ma, test circuit 1 -40 to +85 0.31 ? +25 0.9 1.2 on-resistance flatness r flat(on) v + = 2.7v, 0v v no or v nc v + i com = -100ma, test circuit 1 -40 to +85 1.25 ? +25 0.1 source off leakage current i nc(off) , i no(off) v + = 3.6v, v no or v nc = 3.3v/0.3v v com = 0.3v/3.3v -40 to +85 1 a +25 0.1 channel on leakage current i nc(on) , i no(on) , i com(on) v + = 3.6v, v com = 0.3v/3.3v v no or v nc = floating -40 to +85 1 a digital inputs input high voltage v inh v + = 2.7v +25 1.4 v input low voltage v inl v + = 2.7v +25 0.4 v input leakage current i in v + = 2.7v, v in = 0v or v + +25 0.1 a dynamic characteristics turn-on time t on v + = 3v, v no or v nc = 1.5v r l = 300 ? , c l = 35pf, test circuit 2 +25 88 ns turn-off time t off v + = 3v, v no or v nc = 1.5v r l = 300 ? , c l = 35pf, test circuit 2 +25 46 ns break-before-make time delay t d v + = 3v, v no or v nc = 1.5v r l = 300 ? , c l = 35pf, test circuit 3 +25 43 ns skew t skew r s = 39 ? , c l = 50pf, test circuit 4 +25 7 ns 10mhz +25 -45 db off isolation o iso v + = 3v, r l = 50 ? signal = 0dbm, test circuit 5 1mhz +25 -65 db -3db bandwidth bw v + = 3v, signal = 0dbm, r l = 50 ? test circuit 6 +25 90 mhz channel on capacitance c nc(on) , c no(on) , c com(on) v + = 3v, f = 1mhz +25 40 pf channel off capacitance c nc(off) , c no(off) , c com(off) v + = 3v, f = 1mhz +25 8.5 pf power requirements power supply current i + v + = 3.6v, v in = 0v or v + +25 0.1 a
sgm4157yc spdt 0.8 ? analog switch 5 sg micro corp www.sg-micro.com test circuits v1 100ma no or nc com v no or v nc r on = v1/100ma test circuit 1. on resistance v out no or nc com r l v + gnd c l in 0.1 f v + v out v in 50% 90% 50% 90% t on t off v no or v nc v inh v inl v oh v ol v in test circuit 2. switching times v out no com v no or v nc r l v + gnd c l in 0.1 f v + v out v in 50% 90% t d nc v in v inl v inh test circuit 3. break-before-make time delay, t d
sgm4157yc spdt 0.8 ? analog switch 6 sg micro corp www.sg-micro.com test circuits (cont.) no or nc com c l r s v out v in v out 50% 50% t skew 90% 10% t fall 90% 10% t rise 90% 10% t fall 90% 10% t rise 0.1 f v + v + v no or v nc gnd in v no or v nc test circuit 4. skew test v out no com r l v + gnd 0.1f v + source signal nc r l in test circuit 5. off isolation v out no or nc com v + gnd in 0.1f v + source signal test circuit 6. -3db bandwidth
sgm4157yc spdt 0.8 ? analog switch 7 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
sgm4157yc spdt 0.8 ? analog switch 8 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
sgm4157yc spdt 0.8 ? analog switch 9 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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