0.5 ? , high speed, low voltage SGM4782 analog switch / multiplexer general description the SGM4782 is high-speed, low-voltage, low on-resistance, cmos analog multiplexer/switch that configured as two 4-channel multiplexers. it operates from a single +1.8v to +4.2v power supply. targeted applications include battery powered equipment that benefit from low r on (0.5 ? ) and fast switching speeds (t on = 20 ns, t off = 20 ns). the SGM4782 can handle rail-to-rail analog signals and is available in tqfn-16 and tssop-16 packages. applications communication systems cell phones portable instrumentation audio signal routing audio and video switching computer peripherals low-voltage data-acquisition systems function table control inputs enable select b a on switches l l l x-x0 y-y0 l l h x-x1 y-y1 l h l x-x2 y-y2 l h h x-x3 y-y3 h all switches open = don?t care. features ? voltage operation: 1. 8 v to 4. 2 v ? low on-resistance: 0.5 (typ) at 4.2 v ? low on-resistance flatness ? ?3 db bandwidth: 30 mhz ? fast switching time ( +4.2v ) t on 20 ns t off 20 ns ? low crosstalk: -108 db at 1 mhz ? typical power consumption (<0.01 w) ? ttl/cmos compatible ? rail-to-rail input and output operation ? break-before-make switching ? extended industrial temperature range: ?40c to +85c ? lead (pb) free tqfn-16 and tssop-16 packages pin configurations top view rev. a sg microelectronics co, ltd tel: 86/10/51798160/80 www.sg-micro.com
2 SGM4782 ordering information model pin- package specified temperature range ordering number package marking package option tqfn-16 - 40c to +85c SGM4782ytq16/tr 4782tq tape and reel, 3000 SGM4782 tssop-16 - 40c to +85c SGM4782yts/tr SGM4782yts tape and reel, 3000 absolute maximum ratings v + to gnd.......................................................................0v to +4.6v analog, digital voltage range(1)...................... - 0.3v to (v + + 0.3v) continuous current x_, y_, x or y .......... .......... ................250ma peak current x_, y_, x or y ...............................................400ma operating temperature range..................................- 40c to +85c junction temperature. ............ ........... ............ ........... .......... ....+150c storage temperature. ............ ............. .......... ............- 65c to +150c lead temperature (solderi ng, 10s)........ ............ ......... .............+260c esd susceptibility hbm........... ............ ............ ........... ............ ............ ......... ...........4000v mm..............................................................................................400v 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 specifications is not implied. exposure to abso lute maximum rating conditions for extended periods may affect device reliability. pin description pin tssop-16 tqfn-16 name function 1,5,2,4 15,3,16,2 y0-y3 analog switch y inputs y0-y3. 3 1 y analog switch y output. 6 4 enable digital enable input. normally connect to gnd. drive to logic high to set all switches off. 7 5 n.c. not internally connected. 8 6 gnd ground. 9 7 b digital address b input. 10 8 a digital address a input. 12,14,15,11 10,12,13,9 x0-x3 analog switch x inputs x0-x3. 13 11 x analog switch x output. 16 14 v + positive analog and digital supply voltage input.
3 SGM4782 electrical c haracteristics (v + = +4.2 v, gnd = 0 v, v ih = +1.6 v, v il = +0.6 v, t a = - 40c to +85c. typical values are at v + = +4.2 v, t a = + 25c, unless otherwise noted.) parameter symbol conditions temp min tpy max units analog switch analog signal range v x_ , v y_ , v x , v y - 40c to +85c 0 v + v +25c 0.5 0.7 on-resistance r on v + = 4.2 v, i x_ , i y_ = -100 ma, v x , v y = 1 v, test circuit 1 - 40c to +85c 0.8 +25c 0.05 0.2 on-resistance match between channels ? r on v + = 4.2 v, i x_ , i y_ = -100 ma, v x , v y = 1 v, test circuit 1 - 40c to +85c 0.24 +25c 0.1 0.2 on-resistance flatness r flat(on) v + = 4.2 v, i x_ , i y_ = -100 ma, v x , v y = 1 v, test circuit 1 - 40c to +85c 0.24 source off leakage current i x_(off) , i y_(off) v + = 4.2 v, v x_ , v y_ = 3.3 v , 0.3 v, v x, v y = 0.3 v, 3.3 v - 40c to +85c 1 a channel on leakage current i x_(on) , i y_(on) , i x(on) , i y(on) v + = 4.2 v, v x , v y = 0.3 v, 3.3 v, v x_ , v y_ = 0.3 v, 3.3 v or floating - 40c to +85c 1 a digital inputs input high voltage v inh - 40c to +85c 1.6 v input low voltage v inl - 40c to +85c 0.5 v input leakage current i in_ v a , v b = v enable = 0 v or 4.2 v - 40c to +85c 1 a dynamic characteristics turn-on time t on +25c 20 turn-off time t off v in = 1.5 v to 0.5 v, v x or v y = 2.1 v r l = 50 , c l = 35 pf, test circuit 2 +25c 20 ns address transition time t trans v in = 4.2 v to 0 v, v x or v y = 2.1 v, r l = 50 , c l = 35 pf, test circuit 3 +25c 30 ns break-before-make time delay t d v in = 4.2 v to 0 v, v x or v y = 2.1 v, r l = 50 , c l = 35 pf, test circuit 4 +25c 20 ns charge injection q c l = 1 nf, test circuit 5 +25c -18 pc 100khz +25c -75 off isolation o iso v in = 0 dbm, v bias = 2.1 v, r l = 50 , c l = 35 pf, test circuit 6 1mhz +25c -55 db 100khz +25c -106 channel-to-channel crosstalk x talk v in = 0 dbm, v bias = 2.1 v, r l = 50 , c l = 35 pf, test circuit 6 1mhz +25c -108 db bandwidth ?3 db bw v in = 0 dbm, v bias = 2.1 v, r l = 50 , test circuit 6 +25c 30 mhz channel on capacitance c x_(on) , c y_(on) , c x(on) , c y(on) +25c 146 pf power requirements power supply range v + - 40c to +85c 1.8 4.2 v power supply current i + v + = 4.2 v, v a , v b , v enable = 4.2 v or 0 v - 40c to +85c 1 a specifications subject to change without notice.
4 SGM4782 electrical c haracteristics (v + = +2.7 v to +3.6 v, gnd = 0 v, v ih = +1.6 v, v il = +0.4 v, t a = - 40c to +85c. typical values are at v + = +3.0v, t a = + 25c, unless otherwise noted.) parameter symbol conditions temp min tpy max units analog switch analog signal range v x_ , v y_ , v x , v y - 40c to +85c 0 v + v +25c 0.6 0.8 on-resistance r on v + = 2.7 v, i x_ , i y_ = -100 ma, v x , v y = 1 v, test circuit 1 - 40c to +85c 0.9 +25c 0.05 0.2 on-resistance match between channels ? r on v + = 2.7 v, i x_ , i y_ = -100 ma, v x , v y = 1 v, test circuit 1 - 40c to +85c 0.24 +25c 0.1 0.2 on-resistance flatness r flat(on) v + = 2.7 v, i x_ , i y_ = -100 ma, v x , v y = 1 v, test circuit 1 - 40c to +85c 0.24 source off leakage current i x_(off) , i y_(off) v + = 3.6 v, v x_ , v y_ = 3.3 v, 0.3 v, v x ,v y = 0.3 v, 3.3 v - 40c to +85c 1 a channel on leakage current i x_(on) , i y_(on) , i x(on) , i y(on) v + = 3.6v, v x , v y = 0.3 v, 3.3 v, v x_ , v y_ = 0.3v, 3.3v or floating - 40c to +85c 1 a digital inputs input high voltage v inh - 40c to +85c 1.5 v input low voltage v inl - 40c to +85c 0.4 v input leakage current i in_ v a , v b = v enable = 0 v or 2.7 v - 40c to +85c 1 a dynamic characteristics turn-on time t on +25c 33 turn-off time t off v in = 1.5 v to 0.5 v, v x or v y = 1.5 v, r l = 50 , c l = 35 pf, test circuit 2 +25c 20 ns address transition time t trans v in = 1.5 v to 0 v, v x or v y = 1.5 v, r l = 50 , c l = 35 pf, test circuit 3 +25c 36 ns break-before-make time delay t d v in = 1.5 v to 0 v, v x or v y = 1.5 v, r l = 50 , c l = 35 pf, test circuit 4 +25c 18 ns charge injection q c l = 1nf, test circuit 5 +25c -18 pc 100khz +25c -75 off isolation o iso v in = 0 dbm, v bias = 1.5 v, r l = 50 , c l = 35 pf, test circuit 6 1mhz +25c -55 db 100khz +25c -106 channel-to-channel crosstalk x talk v in = 0 dbm, v bias = 1.5 v, r l = 50 , c l = 35 pf, test circuit 6 1mhz +25c -108 db bandwidth ?3 db bw v in = 0 dbm, v bias = 1.5 v, r l = 50 test circuit 6 +25c 30 mhz channel on capacitance c x_(on) , c y_(on) , c x(on) , c y(on) +25c 146 pf specifications subject to change without notice.
5 SGM4782 typical performance characteristics on response vs.frequency -9 -6 -3 0 3 0.1 1 10 100 1000 frequency(mhz) on response(db) v + = +4.2v t a = +25 response vs.frequency -140 -120 -100 -80 -60 -40 -20 0 20 0.01 0.1 1 10 100 1000 frequency(mhz) on response(db) v + = +4.2v t a = +25 off-isolation crosstalk on response vs.frequency -9 -6 -3 0 3 0.1 1 10 100 1000 frequency(mhz) on response(db) v + = +3v t a = +25 response vs.frequency -140 -120 -100 -80 -60 -40 -20 0 20 0.01 0.1 1 10 100 1000 frequency(mhz) on response(db) v + = +3v t a = +25 off-isolation crosstalk
6 SGM4782 test circuits v1 100ma x_ or y_ x,y v x_ or v y_ r on = v1/100ma test circuit 1. on resistance test circuit 2. enable switching times (t off , t on ) v + 50% 10% 90% 0 v x0 v y0 v x3 v y3 v out t trans v a ,v b t trans v + x0,y0 x1,x2,x3, y1,y2,y3 50 35pf v out enable gnd x,y v a ,v b a b v + v + test circuit 3. address transition times (t trans )
7 SGM4782 test circuits (cont.) a b v + x0-x3 y0-y3 v + v + 50 35pf v out enable gnd x,y v a ,v b v a ,v b v + 50% 90% 0 v x, v y 0 v out t d t r <5ns t f <5ns test circuit 4. break- before-make interval (t d ) v + 0 v out v out v enable a b x_,y_ v + v + c l 1000pf v out enable gnd x,y v enable channel select q = v out c l test circuit 5. charge injection (q) test circuit 6. -3db bandwidth , off-isolation and crosstalk
8 SGM4782 package outline dimensions tqfn-16 0.2030.025 0.0000.050 side view 3.0000.050 top view 3.0000.050 n9 0.4000.050 bottom view n13 n1 n5 0.5000.050 1.7000.050 1.7000.050 0.2300.050 n16 0.7500.050 note: all linear dimensions are in millimeters.
9 SGM4782 package outline dimensions tssop-16 dimensions in millimeters dimensions in inches symbol min max min max d 4.900 5.100 0.193 0.201 e 4.300 4.500 0.169 0.177 b 0.190 0.300 0.007 0.012 c 0.090 0.200 0.004 0.008 e1 6.250 6.550 0.246 0.258 a 1.100 0.043 a2 0.800 1.000 0.031 0.039 a1 0.020 0.150 0.001 0.006 e 0.65 (bsc) 0.026 (bsc) l 0.500 0.700 0.020 0.028 h 0.25(typ) 0.01(typ) 1 7 1 7 d e e1 e b a2 a pin #1 ident. a a1 l h c a
10 SGM4782 revision history location page 10/2007?preliminary datasheet 01/2008?data sheet rev.a sg microelectronics co., ltd a2608, no.72 north road xisanhuan, haidian district, beijing, china 100037 tel: 86-10-51798160/80 fax: 86-10-51798180-803 www.sg-micro.com
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