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lc 2 mos quad spst switches data sheet adg441 / adg442 / adg444 rev. b document feedback information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. one technology way, p.o. box 9106, norwood, ma 02062-9106, u.s.a. tel: 781.329.4700 ?1994C2014 analog devices, inc. all rights reserved. technical support www.analog.com features 44 v supply maximum ratings v ss to v dd analog signal range low on resistance (<70 ) low r on (9 max) low r on match (3 max) low power dissipation fast switching times t on < 110 ns t off < 60 ns low leakage currents (3 na max) low charge injection (6 pc max) break-before-make switching action latch-up proof a grade plug-in upgrade for dg201a/adg201a, dg202a/adg202a, dg211/adg211a plug-in replacement for dg441/dg442/dg444 applications audio and video switching automatic test equipment precision data acquisition battery-powered systems sample-and-hold systems communication systems general description the adg441 , adg442 , and adg444 are monolithic cmos devices that comprise of four independently selectable switches. they are designed on an enhanced lc 2 mos process that provides low power dissipation yet gives high switching speed and low on resistance. the on resistance profile is very flat over the full analog input range, which ensures good linearity and low distortion when switching audio signals. high switching speed also makes the parts suitable for video signal switching. cmos construction ensures ultralow power dissipation, making the parts ideally suited for portable and battery-powered instruments. the adg441 , adg442 , and adg444 contain four independent spst switches. each switch of the adg441 and adg444 turns on when a logic low is applied to the appropriate control input. the adg442 switches are turned on with logic high on the appropriate control input. the adg441 and adg444 switches differ in that the adg444 requires a 5 v logic power supply that is applied to the v l pin. the adg441 and adg442 do not have a v l pin, the logic power supply is generated internally by an on-chip voltage generator. functional block diagram figure 1. each switch conducts equally well in both directions when on and has an input signal range that extends to the power supplies. in the off condition, signal levels up to the supplies are blocked. all switches exhibit break-before-make switching action for use in multiplexer applications. inherent in the design is the low charge injection for minimum transients when switching the digital inputs. product highlights 1. extended signal range. the adg441a / adg442a / adg444a are fabricated on an enhanced lc 2 mos, trench-isolated process, giving an increased signal range that extends to the supply rails. 2. low power dissipation. 3. low r on . 4. trench isolation guards against latch-up for a grade parts. a dielectric trench separates the p and n channel transistors thereby preventing latch-up even under severe overvoltage conditions. 5. break-before-make switching. this prevents channel shorting when the switches are configured as a multiplexer. 6. single-supply operation. for applications where the analog signal is unipolar, the adg441 / adg442 / adg444 can be operated from a single-rail power supply. the parts are fully specified with a single 12 v power supply. 05233-001 in1 s1 d1 in2 s2 d2 in3 s3 d3 in4 s4 d4 in1 s1 d1 in2 s2 d2 in3 s3 d3 in4 s4 d4 adg441 adg444 adg442 switches shown for a logic 1 input
adg441/adg442/adg444 data sheet rev. b | page 2 of 16 table of contents features .............................................................................................. 1 applications ....................................................................................... 1 general descript ion ......................................................................... 1 functional block diagram .............................................................. 1 product highlights ........................................................................... 1 revision h istory ............................................................................... 2 specifications ..................................................................................... 3 dual supply ................................................................................... 3 single supply ................................................................................. 4 absolute maximum ratings ............................................................5 esd caution ...................................................................................5 pin configuration and function descriptions ..............................6 typical performance characteristics ..............................................7 test circuits ........................................................................................9 terminology .................................................................................... 11 trench isolation .............................................................................. 12 outline dimensions ....................................................................... 13 ordering guide .......................................................................... 14 revision history 5/ 14 rev. a to rev. b updated outline dimensions ....................................................... 13 changes to ordering guide .......................................................... 14 5/05 rev. 0 to rev. a changes to format ............................................................. universal deleted cerdip package and t grade .......................... universal changes to features and product highlights ............................... 1 changes to test conditions in table 2 .......................................... 4 changes to figure 11 ........................................................................ 8 changes to trench isolation section ........................................... 12 updated outline dimensions ....................................................... 13 changes to ordering guide .......................................................... 14 4/94 C revision 0: initial version
data sheet adg441/adg442/adg444 rev. b | page 3 of 16 specifications dual supply 1 v dd = +15 v 10%, v ss = ?15 v 10%, v l = +5 v 10% ( adg444 ), gnd = 0 v, unless otherwise noted. table 1 . b version parameter +25c ?40c to +85c unit test conditions/comments analog switch analog signal range v ss to v dd v r on 40 typ v d = 8.5 v, i s = ?10 ma 70 85 max v dd = +13.5 v, v ss = ?13.5 v ?r on 4 typ ?8.5 v v d +8.5 v 9 max r on match 1 typ v d = 0 v, i s = ?10 ma 3 max leakage currents v dd = +16.5 v, v ss = ?16.5 v source off leakage i s (off) 0.01 na typ v d = 15.5 v, v s = ? 15.5 v 0.5 3 na max see figure 15 drain off leakage i d (off) 0.01 na typ v d = 15.5 v, v s = ? 15.5 v 0.5 3 na max see figure 15 channel on leakage i d , i s (on) 0.08 na typ v s = v d = 15.5 v 0.5 3 na max see figure 16 digital inputs input high voltage, v inh 2.4 v min input low voltage, v inl 0.8 v max input current i inl or i inh 0.00001 a typ v in = v inl or v inh 0.5 a max dynamic characteristics 2 t on 85 ns typ r l = 1 k, c l = 35 pf; 110 170 ns max v s = 10 v; see figure 17 t off 45 ns typ r l = 1 k, c l = 35 pf; 60 80 ns max v s = 10 v; see figure 17 t open 30 ns typ r l = 1 k, c l = 35 pf; charge injection 1 pc typ v s = 0 v, r s = 0 , c l = 1 nf; 6 pc max v dd = +15 v, v ss = C 15 v; see figure 18 off isolation 60 db typ r l = 50 , c l = 5 pf; f = 1 mhz; see figure 19 channel -to - channel crosstalk 100 db typ r l = 50 , c l = 5 pf; f= 1 mhz; see figure 20 c s (off) 4 pf typ f = 1 mhz c d (off) 4 pf typ f = 1 mhz c d , c s (on) 16 pf typ f = 1 mhz power requirements v dd = +16.5 v, v ss = ?16.5 v i dd digital inputs = 0 v or 5 v adg441 / adg442 80 a max adg444 0.001 a typ 1 2.5 a max i ss 0.0001 a typ 1 2.5 a max i l ( adg444 only) 0.001 a typ v l = 5.5 v 1 2.5 a max 1 temperature range is: b version: ?40 c to +85 c. 2 guaranteed by design, not subject to production test.
adg441/adg442/adg444 data sheet rev. b | page 4 of 16 single supply 1 v dd = +12 v 10%, v ss = 0 v, v l = +5 v 10% ( adg444 ), gnd = 0 v, unless otherwise noted. table 2. b version parameter +25c ?40c to +85c unit test conditions/comments analog switch analog signal range 0 to v dd v r on 70 typ v d = +3 v, +8 v, i s = ?5 ma 110 130 max v dd = 10.8 v ?r on 4 typ 3 v v d 8 v 9 max r on match 1 typ v d = +6 v, i s = ?5 ma 3 max leakage current v dd = 13.2 v source off leakage i s (off) 0.01 na typ v d = 12.2 v/1 v, v s = 1 v/12.2 v 0.5 3 na max see figure 15 drain off leakage i d (off) 0.01 na typ v d = 12.2 v/1 v, v s = 1 v/12.2 v 0.5 3 na max see figure 15 channel on leakage i d , i s (on) 0.08 na typ v s = v d = 12.2 v/1 v 0.5 3 na max figure 16 digital inputs input high voltage, v inh 2.4 v min input low voltage, v inl 0.8 v max input current i inl or i inh 0.00001 a typ v in = v inl or v inh 0.5 a max dynamic characteristics 2 t on 105 ns typ r l = 1 k, c l = 35 pf 150 220 ns max v s = 8 v; figure 17 t off 40 ns typ r l = 1 k, c l = 35 pf 60 100 ns max v s = 8 v; figure 17 t open 50 ns typ r l = 1 k, c l = 35 pf charge injection 2 pc typ v s = 6 v, r s = 0 , c l = 1 nf 6 pc max v dd = 12 v, v ss = 0 v; see figure 18 off isolation 60 db typ r l = 50 , c l = 5 pf, f = 1 mhz; see figure 19 channel -to - channel crosstalk 100 db typ r l = 50 , c l = 5 pf, f = 1 mhz; see figure 20 c s (off) 7 pf typ f = 1 mhz c d (off) 10 pf typ f = 1 mhz c d , c s (on) 16 pf typ f = 1 mhz power requirements v dd = 13.2 v i dd digital inputs = 0 v or 5 v adg441 / adg442 80 a max adg444 0.001 a typ 1 2.5 a max i l ( adg444 only) 0.001 a typ v l = 5.5 v 1 2.5 a max 1 temperature range is: b version: ?40 c to +85 c. 2 guaranteed by design, not subject to production test.
data sheet adg441/adg442/adg444 rev. b | page 5 of 16 absolute maximum ratings t a = 25c unless otherwise noted. table 3. parameter rating v dd to v ss 44 v v dd to gnd ?0.3 v to +25 v v ss to gnd +0.3 v to ?25 v v l to gnd ?0.3 v to v dd + 0.3 v analog, digital inputs v ss ? 2 v to v dd + 2 v or 30 ma, whichever occurs first continuous current, s or d 30 ma peak current, s or d (pulsed at 1 ms, 10% duty cycle max) 100 ma operating temperature range industrial (b version) ?40c to +85c storage temperature range ?65c to +150c junction temperature 150c lead temperature, soldering (10 sec) 300c plastic package, power dissipation 470 mw ja , thermal impedance 177c/w lead temperature, soldering (10 sec) 260c soic package, power dissipation 600 mw ja , thermal impedance 77c/w lead temperature, soldering vapor phase (60 sec) 215c infrared (15 sec) 220c stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. table 4. truth table adg441 / adg444 in adg442 in switch condition 0 1 on 1 0 off esd caution
adg441/adg442/adg444 data sheet rev. b | page 6 of 16 pin configuration and function descripti ons figure 2. adg441 / adg442 (dip/soic) table 5 . adg441 / adg442 pin function descriptions pin no. mnemonic description 1, 8, 9, 16 in1 to in4 logic control input. 2, 7, 10, 15 d1 to d4 drain terminal. may be an input or output. 3, 6, 11, 14 s1 to s4 source terminal. may be an input or output. 4 v ss most negative power supply potential in dual supplies. in single - supply applications, it may be connected to ground. 5 gnd ground (0 v) reference. 12 nc no connect. 13 v dd most positive power supply potential. figure 3. adg444 (dip/soic) table 6 . adg444 pin function descriptions pin no. mnemonic description 1, 8, 9, 16 in1 to in4 logic control input. 2, 7, 10, 15 d1 to d4 drain terminal. may be an input or output. 3, 6, 11, 14 s1 to s4 source terminal. may be an input or output. 4 v ss most negative power supply potential in dual supplies. in single - supply applications, it may be connected to ground. 5 gnd ground (0 v) reference. 12 v l logic power supply (5 v). 13 v dd most positive power supply potential. in1 1 d1 2 s1 3 v ss 4 in2 16 d2 15 s2 14 v dd 13 gnd 5 nc 12 s4 6 s3 11 d4 7 d3 10 in4 8 in3 9 nc = no connect adg441 adg442 top view (not to scale) 05233-002 in1 1 d1 2 s1 3 v ss 4 in2 16 d2 15 s2 14 v dd 13 gnd 5 v l 12 s4 6 s3 11 d4 7 d3 10 in4 8 in3 9 adg444 top view (not to scale) 05233-003
data sheet adg441/adg442/adg444 rev. b | page 7 of 16 typical performance characteristics figure 4. r on as a function of v d (v s ): dual supply figure 5. r on as a function of v d (v s ): single supply figure 6. r on as a function of v d (v s ) for different temperatures figure 7 . leakage currents as a function of v s (v d ) figure 8 . crosstalk and off isolation vs. frequency figure 9. r on as a function of v d (v s ) for different temperatures 05233-005 v d (v s ) (v) 15 ?15 ?10 ?5 0 5 10 r on (?) 100 80 60 40 20 v dd = +5v v ss = ?5v v dd = +15v v ss = ?15v v dd = +10v v ss = ?10v v dd = +12v v ss = ?12v t a = 25c 05233-006 t a = 25c v dd = 5v v ss = 0v v dd = 15v v ss = 0v v dd = 12v v ss = 0v v dd = 10v v ss = 0v v d (v s ) (v) 15 0 3 6 9 12 r on (?) 170 110 130 150 70 90 50 30 10 05233-007 v d (v s ) (v) 15 ?15 ?10 ?5 0 5 10 r on (?) 100 80 60 40 20 v dd = +15v v ss = ?15v 125c 25c 85c 05233-008 v s (v d ) (v) 15 ?15 ?10 ?5 0 5 10 v dd = +15v v ss = ?15v t a = 25c leakage current (na) 0.02 0.01 0 ?0.01 ?0.02 i d (on) i d (off) i s (off) 05233-009 frequency (hz) 10m 1k 10k 100k 1m db 120 100 110 70 80 90 60 50 v dd = +15v v ss = ?15v crosstalk off isolation 05233-010 v d (v s ) (v) 12 0 2 4 6 8 10 r on (?) 120 100 60 80 40 20 125c 25c 85c v dd = 12v v ss = 0v
adg441/adg442/adg444 data sheet rev. b | page 8 of 16 figure 10 . leakage currents as a function of v s (v d ) figure 11 . charge injection vs. source voltage figure 12 . switching time vs. bipolar supply figure 13 . switching time vs. single supply 05233-011 v s , v d (v) 12 0 2 4 6 8 10 leakage current (na) 0.010 0.005 0 ?0.005 ?0.010 i d (off) i s (off) i d (on) v dd = 12v v ss = 0v t a = 25c 05233-012 v s (v) 15 ?15 ?12 ?9 ?6 ?3 0 3 6 9 12 charge injection (pc) 40 20 10 30 0 ?20 ?30 ?10 ?40 t a = 25c v dd = +15v v ss = ?15v v dd = 12v v ss = 0v 05233-013 supply voltage (v) 20 10 12 14 16 18 v in = 8v t on t off t (ns) 120 100 80 60 40 05233-014 supply voltage (v) 20 8 10 14 12 16 18 t (ns) 160 140 120 100 80 60 40 20 v in = 8v t on t off
data sheet adg441/adg442/adg444 rev. b | page 9 of 16 test circuits figure 14. on resistance figure 15. off leakage figure 16. on leakage figure 17. switching times figure 18. charge injection sd r on = v 1 /i ds v s v1 i ds 05233-015 sd v s v d a a i s (off) i d (off) 05233-016 sd v s v d a i d (on) 05233-017 sd v s v out in v ss gnd v l v dd ?15v +15v +5v c l 35pf r l 1k ? 3v 50% 50% 50% 90% 90% 50% adg441/adg444 adg442 v in v in v out 3v t on t off 05233-018 0.1? f 0.1? f 0.1 ? f sd v s v out in r s v ss gnd v l v dd ?15v +15v +5v c l 1nf 3v v in v out q inj = c l ? v out ? v out 05233-019
adg441/adg442/adg444 data sheet rev. b | page 10 of 16 figure 19. off isolation figure 20. channel-to-channel crosstalk sd v s v out in v ss gnd v ss v dd ?15v +15v +5v r l 50 ? 0.1 ? f 0.1 ? f 0.1 ? f v in 05233-021 sd v s nc v ss gnd v ss v dd ?15v +15v +5v 50 ? 0.1 ? f 0.1 ? f 0.1 ? f v in1 v in2 v out 05233-022 r l 50 ? channel-to-channel crosstalk = 20 log | v s /v out |
data sheet adg441/adg442/adg444 rev. b | page 11 of 16 terminology r on ohmic resistance between d and s. r on match difference between the r on of any two channels. i s (off) source leakage current with the switch off. i d (off) drain leakage current with the switch off. i d , i s (on) channel leakage current with the switch on. v d (v s ) analog voltage on terminals d, s. c s (off) off switch source capacitance. c d (off) off switch drain capacitance. c d , c s (on) on switch capacitance. t on delay between applying the digital control input and the output switching on. t off delay between applying the digital control input and the output switching off. t open break - before - make delay when switches are configured as a multiplexer. crosstalk a measure of unwanted signal which is coupled through from one channel to another as a result of parasitic capacitance. off isolati on a measure of unwanted signal coupling through an off switch. charge injection a measure of the glitch impulse transferred from the digital input to the analog output during switching.
adg441/adg442/adg444 data sheet rev. b | page 12 of 16 trench isolation in the adg441a , adg442a , and ad g444a , an insulating ox ide layer (trench) is placed between the nmos and the pmos transistors of each cmos switch. parasitic junctions, which occur between the transistors in junction isolated switches, are eliminated, and the result is a completely latch-up proof switch. in junction isolation, the n and p wells of the pmos and nmos transistors form a diode that is reverse-biased under normal operation. however, during overvoltage conditions, this diode becomes forward-biased. a silicon-controlled rectifier (scr) type circuit is formed by the two transistors causing a significant amplification of the current which, in turn, leads to latch-up. with trench isolation, this diode is removed, and the result is a latch-up proof switch. figure 21. trench isolation 05233-004 buried oxide layer substrate (back gate) trench p-well n-well loco nmos pmos
data sheet adg441/adg442/adg444 rev. b | page 13 of 16 outline dimensions figure 22. 16-lead plastic dual in-line package [pdip] narrow body (n-16) dimensions shown in inches figure 23. 16-lead standard small outline package [soic_n] (r-16) dimensions shown in millimeters and (inches) compliant to jedec standards ms-001-bb 0.022 0.018 0.015 0.150 0.130 0.115 0.070 0.060 0.055 0.021 0.016 0.011 0.045 0.039 0.030 0.195 0.130 0.115 16 1 8 9 0.100 bsc 0.775 0.755 0.735 0.210 max 0.015 min 0.280 0.250 0.240 0.430 max 0.012 0.010 0.008 0.325 0.310 0.300 0.015 gauge plane 03-07-2014-d seating plane top view side view end view pin 1 indicator controlling dimensions are in millimeters; inch dimensions (in parentheses) are rounded-off millimeter equivalents for reference only and are not appropriate for use in design. compliant to jedec standards ms-012-ac 10.00 (0.3937) 9.80 (0.3858) 16 9 8 1 6.20 (0.2441) 5.80 (0.2283) 4.00 (0.1575) 3.80 (0.1496) 1.27 (0.0500) bsc seating plane 0.25 (0.0098) 0.10 (0.0039) 0.51 (0.0201) 0.31 (0.0122) 1.75 (0.0689) 1.35 (0.0531) 0.50 (0.0197) 0.25 (0.0098) 1.27 (0.0500) 0.40 (0.0157) 0.25 (0.0098) 0.17 (0.0067) coplanarity 0.10 8 0 060606-a 45
adg441/adg442/adg444 data sheet rev. b | page 14 of 16 ordering guide model 1 , 2 temperature range package description package option adg441bnz ? 40c to +85c 16 - lea d plastic dual in - line package [ pdip ] n- 16 adg441br ? 40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 adg441br - reel ? 40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 adg441brz ?40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 adg441brz - reel ? 40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 adg441abchips die adg441abr - reel ? 40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 adg441abrz - reel ? 40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 adg442bnz ? 40c to +85c 16 - lea d plastic dual in - line package [ pdip ] n- 16 adg442brz ?40c to +85c 16 - lead standard small outline package [ soic _n] r - 16 adg442brz - reel ?40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 adg444bnz ?40c to +85c 16 - lea d plastic dual in - line package [ pdip ] n - 16 adg444br ? 40c to +85c 16 - lead standard small outline package [ soic _n] r - 16 adg444br - reel ?40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 adg444brz ?40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 adg444brz - reel ?40c to +85c 16 - lead standard small outline package [ soic _n] r- 16 1 z = rohs compliant p art. 2 a = trench isolated.
data sheet adg441/adg442/adg444 rev. b | page 15 of 16 notes
adg441/adg442/adg444 data sheet rev. b | page 16 of 16 notes ?1994C2014 analog devices, inc. all ri ghts reserved. trademarks and registered trademarks are the prop erty of their respective owners. d00396-0-5/14(b)

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