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for pricing, delivery, and ordering information, please contact maxim/dallas direct! at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches ________________________________________________________________ maxim integrated products 1 19-2170; rev 0; 10/01 general description the dg417l/dg418l/dg419l precision, cmos ana-log switches feature low on-resistance (r on = 35 ), guaranteed r on matching between switches (3 max), and guaranteed r on flatness over the signal range (4 max). these switches are +3v logic-com- patible when powered from ?5v or ?2v supplies.the switches conduct equally well in either direction, and feature low charge injection and low power con- sumption. the dg417l/dg418l/dg419l also offer low off-leakage current over temperature (less than 5na at +85?). the dg417l/dg418l are single-pole/single-throw (spst) switches. the dg417l is normally closed, and the dg418l is normally open. the dg419l is single- pole/double-throw (spdt) with one normally closed switch and one normally open switch. switching times are less than 175ns for t on and less than 185ns for t off . these devices operate with a single +9v to +36v or bipolar ?.5v to ?0v supplies.the digital input has a +0.8v logic-low threshold and a +2.0v logic-high threshold, ensuring +3v ttl and cmos-logic compatibility. the dg417l/dg418l/ dg419l are available in a tiny 8-pin ?ax, 8-pin so, or convenient 8-pin plastic dip. all products are rated at the extended temperature range of -40? to +85?. ________________________applications sample-and-hold circuits communications systems test equipment battery-operated systems modems fax machines guidance and control systems pbx, pabx audio signal routing military radios ____________________________features ? +3v logic-compatible digital inputs v ih = 2.0v v il = 0.8v ? plug-in upgrades for industry-standarddg417/dg418/dg419 and max317/max318/max319 ? power-supply sequencing-free operation ? low on-resistance (35 max) ? guaranteed matched on-resistance betweenchannels (3 max) ? guaranteed on-resistance flatness (4 max) ? single-supply operation +9v to +36v dual-supply operation 4.5v to 20v ? guaranteed off-leakage current overtemperature (<5na at +85?) ? rail-to-rail analog signal handling capability ? tiny 8-pin max package top view 12 3 4 87 6 5 no v-in n.c. v+ gnd n.c. com dip/so/ max 12 3 4 87 6 5 ncv- in n.c. v+ gnd n.c. com dip/so/ max 12 3 4 87 6 5 nov- in n.c. v+ gnd nc com dip/so/ max logic switch 0 1 on off switches shown for logic "0" input logic switch 0 1 off on logic nc 0 1 on off no off on dg417l dg418l dg419l n.c. = no connectnc = normally closed dg417l dg419l dg418l pin configurations/functional diagrams/truth tables part dg417l eua -40? to +85? temp. range pin-package 8 max ordering information ordering information continued at end of data sheet. rail-to-rail is a registered trademark of nippon motorola, inc. dg417ldy -40? to +85? 8 so dg417ldj -40? to +85? 8 plastic dip downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristics dual 15v supplies (v+ = +15v, v- = -15v, v ih = 2.0v, v il = 0.8v, t a = t min to t max , unless otherwise noted. typical values are at t a = +25?.) (notes 2, 3) stresses beyond those listed under ?bsolute 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 absolute maximum rating conditions for extended periods may affect device reliability. voltage referenced to v- v+ ..........................................................................................44v gnd.......................................................................................25v in ...........................................................................-0.3v to +44v com, nc, no (note 1) ........................(v- - 0.3v) to (v+ + 0.3v) continuous current (any terminal) (note 1) .....................?0ma peak current, com, no, nc (pulsed at 1ms, 10% duty cycle max) .................................................?00ma continuous power dissipation (t a = +70?) 8-pin ?ax (derate 4.5mw/? above +70?) ............362mw 8-pin so (derate 5.9mw/? above +70?) .................471mw 8-pin plastic dip (derate 9.1mw/? above +70?).....727mw operating temperature range...........................-40? to +85? storage temperature range ............................-65? to +150? lead temperature (soldering, 10s) ................................+300? note 1: signals on com, no, or nc exceeding v+ or v- are clamped by internal diodes. limit forward current to maximum current ratings. parameter symbol conditions t a min typ max units analog switch analog signal range v no , v nc v com v- v+ v +25 c1 7 3 5 on-resistance r on v+ = +13.5v, v- = -13.5vi com = 10ma v no or v nc = ?0v t min to t max 45 +25 c 0.1 3 on-resistance matchingbetween channels (dg419l only) ? r on v+ = +15v, v- = -15vi com = 10ma v no or v nc = ?0v t min to t max 4 +25 c 0.5 4 on-resistance flatness(note 4) r flat ( on ) v+ = +15v, v- = -15vi com = 10ma v no or v nc = -5v, 0, +5v t min to t max 6 +25 c -0.25 0.01 0.25 nc or no off-leakage current(note 5) i n c / n o ( off ) v+ = +16.5v, v- = -16.5vv com = 15.5v v (nc or no) = +15.5v t min to t max -5 5 na +25 c -0.25 0.01 0.25 com off-leakage current(note 5) i com ( off ) v+ = +16.5vv- = -16.5v v com = 15.5v v ( n c or n o ) = +15.5v dg417ldg418l t min to t max -5 5 na +25 c -0.4 0.01 0.4 dg417ldg418l t min to t max -10 10 +25 c -0.75 0.75 com on-leakage current(note 5) i com ( on ) v+ = +16.5vv- = -16.5v v com = 15.5v v ( nc or no ) = ?5.5v dg419l t min to t max -10 10 na downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches _______________________________________________________________________________________ 3 electrical characteristics dual 15v supplies (continued) (v+ = +15v, v- = -15v, v ih = 2.0v, v il = 0.8v, t a = t min to t max , unless otherwise noted. typical values are at t a = +25 c.) (notes 2, 3) parameter symbol conditions t a min typ max units dynamic +25 c 110 175 turn-on time t on v n o or v n c = ? 10v r l = 300 c l = 35pf figure 1 dg417ldg418l t min to t max 250 ns +25 c 105 185 turn-off time t off v n o or v n c = ? 10v r l = 300 c l = 35pf figure 1 dg417l dg418l t min to t max 210 ns +25 c 105 185 transition time t trans v no = ?0v v nc = +10v r l = 300 c l = 35pf figure 2 dg419l t min to t max 250 ns +25 c52 5 break-before-make delay(note 6) t d v n o or v n c = + 10v r l = 300 c l = 35pf figure 3 dg419l t min to t max 1 ns charge injection q v gen = 0, r gen = 0, c l = 1nf, figure 4 15 pc off-isolation (note 7) v iso f = 1mhz, r l = 50 , c l = 5pf, figure 5 -90 db crosstalk (note 8) v ct f = 1mhz,r l = 50 , c l = 5pf, figure 6 d g419l -86 db total harmonic distortion thd f = 20hz to 20khz, 5vp-p r l = 600 0.002 % no or nc off-capacitance c no ( off ) c nc ( off ) f = 1mhz, figure 7 8 pf com off-capacitance c c om ( off ) f = 1mhz, figure 7 8 pf dg417ldg418l 30 com on-capacitance c com ( on ) f = 1mhz, figure 8 dg419l 35 pf downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches 4 _______________________________________________________________________________________ electrical characteristics dual 15v supplies (continued) (v+ = +15v, v- = -15v, v ih = 2.0v, v il = 0.8v, t a = t min to t max , unless otherwise noted. typical values are at t a = +25 c.) (notes 2, 3) parameter symbol conditions t a min typ max units digital i/o input logic high voltage v ih 2.0 v input logic low voltage v il 0.8 v logic input current(input voltage low) i inl v in = 0.8v 0.001 1 a logic input current(input voltage high) i inh v in = 2.0v 0.001 1 a power supply power-supply range v s dual supplies ?.5 20 v +25 c2 6 7 5 v+ = +16.5v, v- = -16.5v,v in = 5v t min to t max 125 +25 c 0.01 1 positive supply current i+ v+ = +16.5v, v- = -16.5v,v in = 0 or v+ t min to t max 10 ? +25 c 0.01 1 negative supply current i- v+ = +16.5v, v- = -16.5v,v in = 0, 5v, v+ t min to t max 10 ? +25 c2 6 7 5 v+ = +16.5v, v- = -16.5v,v in = 5v t min to t max 125 +25 c 0.01 1 ground current i gnd v+ = +16.5v, v- = -16.5v,v in = 0 or v+ t min to t max 10 ? electrical characteristics single +12v supply (v+ = +12v, v- = 0, v ih = 2.0v, v il = 0.8v, t a = t min to t max , unless otherwise noted. typical values are at t a = +25 c.) (notes 2, 3) parameter symbol conditions t a min typ max units analog switch analog signal range v no , v nc v com v- v+ v +25 c 31 100 on-resistance r on v+ = +10.8v,i com = 10ma, v no or v nc = +3.8v t min to t max 125 +25 c 0.05 4 on-resistance matchingbetween channels (dg419l only) ? r on v+ = +10.8v,i com = 10ma, v no or v nc = +3.8v t min to t max 6 +25 c4 9 on-resistance flatness(note 4) r flat ( on ) v+ = +12v, i com = 10ma v no or v nc = 2v, 6v, 10v t min to t max 13 downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches _______________________________________________________________________________________ 5 note 2: the algebraic convention is used in this data sheet; the most negative value is shown in the minimum column. note 3: -40 c specifications are guaranteed by design. note 4: flatness is defined as the difference between the maximum and the minimum value of on-resistance as measured at theextremes of the specified analog range. note 5: leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at t a = +25 c. note 6: guaranteed by design. note 7: off-isolation = 20log10 [v com / (v nc or v no )], v com = output, v nc or v no = input to off switch. note 8: between switches electrical characteristics single +12v supply (continued) (v+ = +12v, v- = 0, v ih = 2.0v, v il = 0.8v, t a = t min to t max , unless otherwise noted. typical values are at t a = +25 c.) (notes 2, 3) parameter symbol conditions t a min typ max units dynamic +25 c 150 300 turn-on time t on v n o or v n c = +10v r l = 300 c l = 35pf figure 1 dg417ldg418l t min to t max 400 ns +25 c 110 210 turn-off time t off v n o or v n c = +10v r l = 300 c l = 35pf figure 1 dg417ldg418l t min to t max 310 ns +25 c 150 300 transition time t trans v no = 0, 10v v nc = 10v, 0 r l = 300 c l = 35pf figure 2 dg419l t min to t max 400 ns +25 c53 0 break-before-make delay(note 6) t d v no , v nc = +10v r l = 300 c l = 35pf figure 3 dg419l t min to t max 1 ns charge injection q v gen = 0, r gen = 0, c l = 1nf, figure 4 2.5 pc power supply power-supply range v s single supply 9 36 v +25 c 0.01 1 v+ = +13.2v v in = 0 or v+ t min to t max 10 +25 c1 5 6 0 positive supply current i+ v+ = +13.2v v in = 5v t min to t max 110 ? downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches 6 _______________________________________________________________________________________ __________________________________________typical operating characteristics (t a = +25 c, unless otherwise noted.) 0 10 51 52 0 25 30 35 40 45 turn-on/turn-off time vs. single supply voltage dg417l-19l toc07 power supply voltages (v) switching time (ns) 0 250 100 50 300 350 450 400 650 200 150 500 550 600 t off t on 40 320280 240 200 160 120 80 400360 480440 520 560 600 turn-on/turn-off time vs. temperature dg417l-19l toc08 temperature ( c) time (ns) -50 10 -30 30 50 90 -10 70 a: v+ = +15v v- = -15v b: v+ = +5v v- = -5v b, t off b, t on a, t off c, t off c, t on a, t on c: v+ = +12v v- = 0 0.001 0.01 1 0.1 10 -40 -20 -10 -30 0 10 20 30 40 50 60 70 80 90 on-leakage currents vs. temperature dg417/18/19l toc09 temperature ( c) on-leakage (na) v+ = 16.5vv- = -16.5v v com = 15v v+ = +36vv- = 0 v com = +35v a:b: a b 0 5 10 15 20 25 30 35 40 04 26 8 1 0 1 2 on-resistance vs. v com and temperature dg417l-19l toc04 v com (v) r on ( ) t a = +85 c t a = +0 c t a = -40 c v+ = +12v v- = 0 0 10 5 2520 15 4035 30 45 -20 -5 0 -15 -10 5 10 15 20 charge injection vs. v com dg417l-19l toc05 v com (v) q (pc) v+ = +12v v- = 0 v+ = +15v v- = -15v 0 250 100 50 300 350 450 400 650 0 5 200 150 500 550 600 15 20 25 turn-on/turn-off time vs. dual supply voltage dg417l-19l toc06 power supply voltages (v) switching time (ns) 10 t off t on 0 10 15 20 25 30 35 40 45 -20 -10 0 10 20 on-resistance vs. v com (dual supplies) dg417l-19l toc01 v com (v) r on ( ) 5 a b c d e a: v = 5v b: v = 10v c: v = 12v d: v = 15v e: v = 20v 0 10 3020 40 50 01 0 1 5 5 2025303540 on-resistance vs. v com (single supply) dg417l-19l toc02 v com (v) r on ( ) a b c d e a: v = +9vb: v = +12v c: v = +24v d: v = +36v e: v = +40v 0 10 5 2015 25 30 on-resistance vs. v com and temperature dg417l-19l toc03 v com (v) r on ( ) -15 -5 0 -10 5 10 15 t a = +85 c t a = 0 c t a = -40 c v+ = +15v v- = -15v downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches _______________________________________________________________________________________ 7 0.001 0.01 1 0.1 -40 -20 -10 -30 0 10 20 30 40 50 60 70 80 90 off-leakage currents vs. temperature dg417/18/19l toc10 temperature ( c) off-leakage (na) v+ = 16.5vv- = -16.5v v com = 15v v+ = +36vv- = 0 v com = +35v a:b: a b 1.0 1.31.2 1.1 1.51.4 1.91.8 1.7 1.6 2.0 0 5 10 15 20 25 30 35 logic threshold vs. supply voltage dg417/18/19l toc11 supply voltage (v) logic threshold (v) a: dual suppliesb: single supply a b 0 32 1 4 5 76 8 -40 -20 -10 -30 0 102030405060708090 supply current vs. temperature dg417/18/19l toc12 temperature ( c) i+, i- (na) v+ = 15vv- = -15v v in = 0, v+ i+ i- -10.00 10.00 0 30.0020.00 40.00 50.00 0 5 10 15 supply current vs. v in dg417/18/19l toc13 v in (v) supply current ( a) v+ = +15vv- = -15v v+ = +12v v- = 0 a:b: a b -100 -70-80 -90 -60 -50 -40 -30 -20 -10 0 1m 10m 100m 1g frequency reponse dg417/18/19l toc14 frequency (hz) loss (db) on response off-isolation crosstalk 0.1 0.01 0.001 10 1k 100 10k 100k total harmonic distortion vs. frequency dg417/18/19l toc15 frequency (hz) thd (%) r l = 600 ____________________________typical operating characteristics (continued) (t a = +25 c, unless otherwise noted.) downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches 8 _______________________________________________________________________________________ ______________________________________________________________pin description pin name function dg417l dg418l dg419l 1 1 1 com analog switch common terminal 2, 5 2, 5 5 n.c. no connection. not internally connected. 3 3 3 gnd logic ground 4 4 4 v+ analog signal positive supply input 6 6 6 in logic-level input 7 7 7 v- analog signal negative supply input 8 2 nc analog switch normally closed terminal 8 8 no analog switch normally open terminal _____________________________________________________t est circuits/timing diagrams t r < 20ns t f < 20ns 50% 0 logic input v-v- r l 300 gnd c l includes fixture and stray capacitance. v out = v d ( r l ) r l + r ds(on ) switch input in +3v t off 0 com switchoutput 0.9 x v out 0.9 x v out t on v out switch output logic input logic input waveforms inverted for switchesthat have the opposite logic sense. n.c. v+ c l 35pf v+ v out dg417ldg418l nc or no t r < 20ns t f < 20ns 50% 0 logic input v-v- r l 300 com gnd c l includes fixture and stray capacitance. logic input nc in t trans +3v t trans v out1 v+ no v out 0.8 x v out1 v out2 0.8 x v out2 switch output dg419l v+ n.c. c l 35pf figure 1. dg417l/dg418l switching time figure 2. dg419l transition time downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches _______________________________________________________________________________________ 9 applications information power-supply sequencing-free operation most cmos switches require specific power-supplysequencing in order to prevent device latchup. the older dg417/dg418/dg419 devices require a proper power-supply sequence of v+, v l , then v-. otherwise, it is necessary to add signal diodes to the circuit inorder to prevent potential latchups. the new dg417l/dg418l/dg419l devices eliminate the need for a v l input and allow any power-up sequence. do not exceed the absolute maximum ratings becausestresses beyond the listed ratings may cause perma- nent damage to the devices. +3v 0 v com 0.9 x v out logic input v- r l 300 gnd c l includes fixture and stray capacitance. no com nc v+ c l 35pf +10v t d in v+ v- v out logic input dg419l figure 4. charge injection v gen gnd nc or no c l 1nf v out v- v- v+ n.c. v out in off on off ? v out q = ? v out x c l com in depends on switch configuration;input polarity determined by sense of switch. off on off in v in = +3v dg417ldg418l dg419l v+ figure 3. dg419l break-before-make interval ______________________________________t est circuits/timing diagrams (continued) downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches 10 ______________________________________________________________________________________ in 0 or 2.4v signalgenerator 0dbm v+ 10nf n.c. network analyzer nc orno r l gnd com 10nf v- v- v+ dg417ldg418l dg419l c l signalgenerator 0dbm v+ v+ no r l gnd com v- v- 0 or 2.4v in nc 50 com dg419l n.c. network analyzer 10nf 10nf capacitance meter nc orno com gnd v- v- in 0 or 2.4v v+ n.c. f = 1mhz v+ dg417ldg418l dg419l 10nf 10nf nc orno com gnd v- v- in 0 or 2.4v v+ v+ dg417ldg418l dg419l capacitance meter f = 1mhz 10nf 10nf n.c. figure 5. off-isolation figure 6. dg419l crosstalk figure 7. channel off-capacitance figure 8. channel on-capacitance test circuits/timing diagrams (continued) part temp. range pin-package dg418l eua -40 c to +85 c 8 max dg418ldy -40 c to +85 c 8 so 8 plastic dip -40 c to +85 c dg418ldj dg419l eua -40 c to +85 c 8 max 8 so -40 c to +85 c dg419ldy dg419ldj -40 c to +85 c 8 plastic dip ordering information (continued) ______________________ chip information transistor count: 40process: cmos downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches ______________________________________________________________________________________ 11 ________________________________________________________package information 8lumaxd.eps downloaded from: http:///
dg417l/dg418l/dg419l 35 , spst/spdt, +3v logic-compatible analog switches 12 ______________________________________________________________________________________ soicn.eps ___________________________________________package information (continued) downloaded from: http:///
35 , spst/spdt, +3v logic compatible analog switches dg417l/dg418l/dg419l maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circuit patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. 13 ____________________maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 2001 maxim integrated products printed usa is a registered trademark of maxim integrated products. ___________________________________________package information (continued) pdipn.eps downloaded from: http:///

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