technical data iw4051b analog multiplexer demultiplexer high-performance silicon-gate cmos n suffix plastic d suffix soic 1 16 1 16 ordering information the iw4051b analog multiplexer/demultip lexer is digitally controlled analog switches having low on impedance and very low off leakage current. control of analog signals up to 20v peak-to-peak can be achieved by digital signal amplitudes of 4.5 to 20v (if v cc - gnd = 3v, a v cc - v ee of up to 13 v can be controlled; for v cc -v ee level differences above 13v a v cc - gnd of at least 4.5v is required). these multiplexer circuits dissipate extremely low quiescent power over the full v cc -gnd and v cc - v ee supply-voltage ranges, independent of the logic state of the control signals. when a logic ?1?is present at the enable input terminal all channels are off. iw4051bn plastic dip IW4051BD soic the iw4051b is a single 8-channel multiplexer having three binary control inputs, a, b and c, and an enable input. the three binary signals select 1 of 8 channels to be turned on, and connect one of the 8 inputs to the output. ? operating voltage range: 3.0 to 18 v ? maximum input current of 1 a at 18 v over full package-temperature range; 100 na at 18 v and 25 c t a = -55 to 125 c for all packages pin assignment ? noise margin (over full p ackage temperature range): 1.0 v min @ 5.0 v supply 2.0 v min @ 10.0 v supply 2.5 v min @ 15.0 v supply logic diagram single-pole, 8-position plus common off 13 14 12 1 2 4 11 10 9 6 15 3 5 multiplexer/ demultiplexer x2 x x5 x0 x1 x3 x4 x6 x7 a b c enable channel-select inputs analog inputs/outputs common output/input pin 16 =v cc function table control inputs on enable select channels c b a l l l l x0 l l l h x1 l l h l x2 l l h h x3 l h l l x4 l h l h x5 l h h l x6 l h h h x7 h x pin 7 = v ee rev. 00 x x none h = high level l = low level pin 8 = gnd x = don?t care
iw4051b rev. 00 maximum ratings * symbol parameter value unit v cc dc supply voltage (referenced to gnd) -0.5 to +20 v v in dc input voltage (referenced to gnd) -0.5 to v cc +0.5 v i in dc input current, per pin 10 ma p d power dissipation in still air 500* 1 mw p tot power dissipation per output transistor 100 mw tstg storage temperature -65 to +150 c t l lead temperature, 1 mm from case for 10 seconds (plastic dip or so package) 260 c *maximum ratings are those values beyond which damage to the device may occur. functional operation should be restricted to the reco mmended operating conditions. * 1 - for plastic dip from -55 to +100 c, for so package from -55 to +65 c. +derating - plastic dip: - 12 mw/ c from 100 to 125 c so package: - 7 mw/ c from 65 to 125 c recommended operating conditions symbol parameter min max unit v cc dc supply voltage (referenced to gnd) 3.0 18 v v in dc input voltage (referenced to gnd) 0 v cc v t a operating temperature, all package types -55 +125 c this device contains protection circuitry to guard agains t damage due to high static voltages or electric fields. however, precautions must be taken to avoid applications of any voltage highe r than maximum rated voltages to this high-impedance circuit. for proper operation, v in and v out should be constrained to the range gnd (v in or v out ) v cc . unused digital pins must be tied to an appropr iate logic voltage level (e.g., either gnd or v cc ). unused analog i/o pins may be left open or terminated.
iw4051b rev. 00 dc electrical characteristics digital section v cc guaranteed limit symbol parameter test conditions v -55 c 25 c 125 c unit v ih minimum high-level input voltage, channel-select or enable inputs v is =v cc thru 1k v ee =gnd=0 i is <2 a on all off chanels r l =1k to gnd 5 10 15 3.5 7 11 3.5 7 11 3.5 7 11 v v il maximum low -level input voltage, channel-select or enable inputs v is =v cc thru 1k v ee =gnd=0 i is <2 a on all off chanels r l =1k to gnd 5 10 15 1.5 3 4 1.5 3 4 1.5 3 4 v i in maximum input leakage current, channel-select or enable inputs v in =v cc or gnd v ee =gnd=0 18 0.1 0.1 1.0 a i cc maximum quiescent supply current (per package) channel select = v cc or gnd v ee =gnd=0 5 10 15 20 5 10 20 100 5 10 20 100 150 300 600 3000 a dc electrical characteristics analog section v cc guaranteed limit symbol parameter test conditions v -55 c 25 c 125 c unit r on maximum ?on? resistance v ee =gnd=0 v is = gnd to v cc 5 10 15 800 310 200 1050 400 240 1150 550 320 r on maximum difference in ?on? resistance between any two channels in the same package v ee =gnd=0 5 10 15 - - - 10* 15* 5* - - - i off maximum off- channel leakage current, any one channel v ee =gnd=0 18 100 100 1000 na maximum off- channel leakage current, common channel v ee =gnd=0 18 100 100 1000 * - typical value
iw4051b rev. 00 ac electrical characteristics (c l =50pf,input t r =t f =20.0 ns) v cc guaranteed limit symbol parameter v -55 c 25 c 125 c unit t phl( t plh) maximum propagation delay , analog input to analog output (figure 1) r l =200k , v ee =gnd=0 5 10 15 60 30 20 60 30 20 70 40 30 ns t phl1( t plh1) maximum propagation delay , channel-select input to analog output (figure 1) r l =200 k , v ee =gnd=0 5 10 15 350 200 160 350 200 160 400 250 200 ns t pzl1( t pzh1) maximum propagation delay , channel-select input to analog output (figure 2) r l =10 k v ee =gnd=0 5 10 15 720 320 240 720 320 240 720 320 240 ns v ee =-5 , gnd=0 5 450 450 450 t pzl2( t pzh2) maximum propagation delay , enable to analog output (figure 2) r l =10 k v ee =gnd=0 5 10 15 720 320 240 720 320 240 720 320 240 ns v ee =-10 , gnd=0 5 400 400 400 t plz1( t phz1) maximum propagation delay , channel-select input to analog output (figure 2) r l =10 k v ee =gnd=0 5 10 15 720 320 240 720 320 240 720 320 240 ns v ee =-5 , gnd=0 5 450 450 450 t plz2( t phz2) maximum propagation delay , enable to analog output (figure 2) r l =1,0 k v ee =gnd=0 5 10 15 450 210 160 450 210 160 450 210 160 ns v ee =-10 , gnd=0 5 300 300 600 c in maximum input capacitance, channel-select or enable inputs - - 7.5 - pf c i/o maximum capacitance v ee =gnd=-5v c is 5 - 5* - pf c os 5 - 30* - feedthrough c ios 5 - 0.2* -
iw4051b rev. 00 additional application characteristics limits v cc v is ** typical value symbol parameter test conditions v v 25 c unit b b w maximum on- channel bandwidth or minimum frequency response (-3db) v ee =gnd=0 r l =1k 20 log(v os /v is )=-3db v os at common out/in 10 2,5 20 mhz v os at any channel 10 2,5 60 f 1 (-40db) feedthrough frequency (all channels off) v ee =gnd=0 r l =1k 20 log(v os /v is )=-40db v os at common out/in 10 2,5 12 mhz v os at any channel 10 2,5 8 f 2 (-40db) signal crosstalk frequency v ee =gnd=0 r l =1k 20 log(v os /v is )=-40db between any 2 channels 10 2,5 3 mhz thd total harmonic distortion v ee =gnd=0 f is =1khz sine wave 5 10 15 1 1,5 2,5 0.3 0.2 0.12 % v ao/i address-or enable to signal crosstalk v ee =gnd=0, r l =10k *** t r ,t f =20ns square wave 10 - 65 mv (peak ) ** peak-to-peak voltage symmetrical about (v cc -v ee )/2. *** both ends of channel.
iw4051b 50% 50% tt plh phl v v cc cc gnd gnd input analog out tt tlh thl 90% 10% figure 1. switching waveforms analog out t t t t t t phz plz rf pzh pzl v v v v gnd gnd cc oh cc ol 90% 10% 50% 10% 90% 50% 10% 90% figure 2. switching waveforms expanded logic diagram 11 1 0 9 6 16 42 5112 15 14 13 0123456 7 ucc a b c enable 3 common out/in tg tg tg tg tg tg tg tg logic level conversion binary to 1 of 8 decoder with enable 8 7 v ee gnd channel in/out rev. 00
iw4051b n suffix plastic (ms - 001bb) l h m j a b f g d seating plane n k 0.25 (0.010) m t -t- c 1 16 8 9 dimensions, mm symbol min max a 18.67 19.69 b 6.10 7.11 c 5.33 d 0.36 0.56 f 1.14 1.78 g 2.54 h 7.62 j 0 10 k 2.92 3.81 rev. 00 l 7.62 8.26 notes: m 0.20 0.36 1. imensions ?a?, ?b? do not include mold flash or protrusions. maximum mold flash or protrusions 0.25 mm (0.010) per side. n 0.38 d suffix soic (ms - 012ac) notes: 1.dimensions a and b do not include mold flash or protrusion. 2.maximum mold flash or protrusion 0.15 mm (0.006) per side for a, for b - 0.25 mm (0.010) per side. dimensions, mm a b h c k c m j f m p g d r x 45 seating plane 0.25 (0.010) m t -t- 1 16 8 9 symbol . min max a 9.80 10.0 b 3.80 4.00 c 1.35 1.75 d 0.33 0.51 f 0.40 1.27 g 1.27 h 5.72 j 0 8 k 0.10 0.25 m 0.19 0.25 p 5.80 6.20 r 0.25 0.50
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