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datasheet 0.5 ohm, dual spd t analog switch idtas4684 idt? 0.5 ohm, dual spdt analog switch 1 idtas4684 rev b 103106 description the idtas4684 low on-resistance (ron), low voltage, dual single-pole/double-throw (spdt) analog switch operates from a single +1.8 v to +5.5 v supply. the idtas4684 features a 0.5 ? (max) ron for its nc switch and a 0.8 ? (max) ron for its no switch at a +2.7 v supply. it also features break-before-make switching action (2 ns) with t on = 50 ns and t off = 40 ns at +3 v. the digital logic inputs are 1.8 v logic-compatible with a +2.7 v to +3.3 v supply. comes in 3 x 3 dfn, or 12-bump csp packages. applications ? speaker headset switching ? mp3 players ? battery-operated equipment ? audio and video signal routing ? pcmcia cards ? cellular phones ? modems features ? +1.8 v to +5.5 v single-supply operation ? rail-to-rail signal handling ? 1.8 v logic compatibility ? r on match between channels: 0.06 ? (max) ? r on flatness over signal range: 0.15 ? (max) ? ncx switch r on : 0.5 ? max (+2.7 v supply) (icsas4684) ? nox switch r on : 0.8 ? max (+2.7 v supply) ? low crosstalk: -68db (100 khz) ? high off-isolation: -64db (100 khz) ? thd: 0.03% ? 50 na (max) supply current ? low leakage currents: 1 na (max) at t a = +25c ? 12-bump, 0.5 mm-pitch ucsp ? available in 10-pin dfn and csp packages block diagram
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 2 idtas4684 rev b 103106 pin assignment (dfn) pin assignment (csp) truth table note: switches shown for logic ?0? input. pin descriptions no1 v+ com1 in1 nc1 no2 com2 in2 nc2 gnd 1 2 3 4 56 7 8 9 10 1 2 3 4 a b c in no nc 0offon 1onoff pin numbers pin name pin description dfn csp 1 b4 v+ positive supply voltage input. 2 a4 no1 analog switch. normally open terminal 1. 3 a3 com1 analog switch. common terminal 1. 4 a2 in1 digital co ntrol input 1. 5 a1 nc1 analog switch. normally closed terminal 1. 6 b1 gnd ground. 7 c1 nc2 analog switch. normally closed terminal 2. 8 c2 in2 digital co ntrol input 2. 9 c3 com2 analog switch. common terminal 2. 10 c4 no2 analog switch. normally open terminal 2. ? b2 nc no connect. ? b3 nc no connect.
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 3 idtas4684 rev b 103106 absolute maximum ratings stresses above the ratings listed below can cause permanent damage to the idtas4684. these ratings, which are standard values for idt commercially rated parts, are stress ratings only. functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for exte nded periods can affect product reliability. electrical parameters are guaranteed only over the recommended operating temperature range. all voltages referenced to ground. symbol rating min max unit v+, in -0.3 +6 v com, no, nc -0.3 (v+ + 0.3) v no, nc, com continuous current 300 ma peak current (pulsed at 1ms, 50% duty cycle) 400 peak current (pulsed at 1ms, 10% duty cycle) 500 continuous power dissipation (ta = +70c) and 12-bump ucsp (derate 11.4mw/c above +70c) +909 mw operating temperature range 0 +70 c tstg storage temperature range -65 +150 c lead temperature (soldering, 10s) +300 c bump temperature (soldering, infrared, 15s) +200 c vapor phase (60s) +215 c
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 4 idtas4684 rev b 103106 electrical characteristics unless stated otherwise, v+ = 2.7 v to 3.3 v, v ih = 1.4 v, v il = 0.5 v, t a = t min to t max . typical values are at +3 v and 25c parameter symbol conditions t a min. typ. max. units analog switch analog signal range v no , v nc, v com t min to t max 0v+v nc on-resistance r on(nc) v+ = 2.7 v, i com = 100 ma, v nc = 0 to v+; note 3 +25c 3.0 0.5 ? t min to t max 0.5 no on-resistance r on(no) v+ = 2.7 v, i com = 100 ma, v no = 0 to v+; note 3 +25c 0.45 0.8 ? t min to t max 0.8 on-resistance match between channels r on v+ = 2.7 v, i com = 100 ma, v no or v nc = 1.5 v; notes 3, 4 +25c 0 0.6 ? t min to t max 0.6 nc on-resistance flatness r flat(nc) v+ = 2.7 v, i com = 100 ma, v nc = 0 to v+; note 5 t min to t max 0.15 ? no on-resistance flatness r flat(no) v+ = 2.7 v, i com = 100 ma, v no = 0 to v+; note 5 t min to t max 0.35 ? no or nc off-leakage current i no (off) or i nc (off) v+ = 3.3 v, v no or v nc = 3 v, 0.3 v v com = 0.3 v, 3 v +25c -1 +1 na t min to t max -10 +10 com on-leakage current i com (on) v+ = 3.3 v, v no or v nc = 3 v, 0.3 v, or floating v com = 0.3 v, 3 v, or floating +25c -2 +2 na t min to t max -20 +20 dynamic characteristics turn-on time t on v+ = 2.7 v, v no or v nc = 1.5 v, r l = 50 ? , c l = 35 pf +25c 30 50 ns t min to t max 60 ns turn-off time t off v+ = 2.7 v, v no or v nc = 1.5 v, r l = 50 ? , c l = 35 pf +25c 25 30 ns t min to t max 40 ns break-before-make-delay t bbm v+ = 2.7 v, v no or v nc = 1.5 v, r l = 50 ? , c l = 35 pf t min to t max 215 ns charge injection q com = 0, rs = 0, c l = 1 nf +25c 200 pc off-isolation v iso c l = 5 pf; r l = 50 ?, f = 100 khz, v com = 1 v rms , note 6 +25c -64 db crosstalk v ct f = 100 khz, r l = 50 ? , c l = 5 pf, v com = 1 v rms +25c -68 db total harmonic distortion thd r l = 600 ? , in = 2 v p-p, f = 20hz to 20 khz +25c 0.03 % nc off-capacitance c nc (off) f = 1 mhz +25c 84 pf nc off-capacitance c no (off) f = 1 mhz +25c 37 pf nc on-capacitance c nc (on) f = 1 mhz +25c 190 pf nc on-capacitance c no (on) f = 1 mhz +25c 150 pf
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 5 idtas4684 rev b 103106 notes: 1. the algebraic convention used in this da ta sheet is where the most negative value is a minimum and the most positive value a maximum. 2. ucsp parts are 100% tested at +25c only and guaranteed by design and correlation at the full hot-rated temperature. 3. guaranteed by design. 4. r on = r on(max) - r on(min) , between nc1 and nc2 or between no1 and no2. 5. flatness is defined as the difference between the maximu m and minimum value of on resistance as measured over the specified analog signal ranges. 6. off-isolation = 20log10 (v com / v co ), v com = output, v co = input to off switch. parameter symbol conditions t a min. typ. max. units digital i/o input logic high v ih t min to t max 1.4 v input logic low v il t min to t max 0.5 v in input leakage current i in v in = 0 or v+ t min to t max -1 1 a power supply power supply range v+ t min to t max 1.8 5.5 v supply current i+ v+ = 5.5 v, v in = 0 or v+, note 3 +25c -50 +0.04 +50 na t min to t max -200 +200
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 6 idtas4684 rev b 103106 test circuits and timing diagrams overvoltage protection using two external blocking diodes switching time
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 7 idtas4684 rev b 103106 break-before-make interval charge injection
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 8 idtas4684 rev b 103106 on-loss, off-isolation, and crosstalk channel off/on capacitance
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 9 idtas4684 rev b 103106 marking diagram (csp) marking diagram (dfn) notes: 1. ?z? is the device step (1 to 2 characters). 2. yyww is the last two digits of the year and week that the part was assembled. 3. ?$? is the assembly mark code. 4. ?g? after the two-letter package code designates rohs compliant package. 5. ?i? at the end of part number indicates industrial temperature range. 6. bottom marking: country of origin if not usa. idtas4 684ahg 0633aah tbd
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 10 idtas4684 rev b 103106 package outline and package dimensions (10-pin dfn 3x3mm) package dimensions are kept current with jedec publication no. 95, millimeters symbol min max a 0.80 1.00 a1 0 0.05 a3 0.20 reference b 0.18 0.30 n10 n d 5 n e 0 d 3.00 basic e 3.00 basic e 0.50 basic d2 2.20 2.70 e2 1.40 1.75 l 0.30 0.50 aaa 0.15 bbb 0.10 ccc 0.10
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 11 idtas4684 rev b 103106 package outline and package dimensions (12-bump csp) package dimensions are kept current with jesd publication no. 95-1,
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 12 idtas4684 rev b 103106 ordering information idt xxxxxx xxx x x device type package temp. range shipping carrier 8 tape and reel blank tray blank commercial (0 to +70c) ahg chip scale package nbg 3mm x 3mm dfn as4684 0.5 ? low voltage, dual spdt analog switch
idtas4684 0.5 ohm, dual spdt analo g switch analog switch idt? 0.5 ohm, dual spdt analog switch 13 idtas4684 rev b 103106 revision history rev. originator date description of change b 10/31/06 created datasheet in new template; added marking diagram.
? 2006 integrated device technology, inc. all rights reserved. product specifications subject to change without notice. idt and the idt logo are trademarks of integrated device technology, inc. accelerated thinking is a service mark of integrated device technology, inc. all other brands, product names a nd marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. printed in usa corporate headquarters integrated device technology, inc. www.idt.com for sales 800-345-7015 408-284-8200 fax: 408-284-2775 for tech support 408-284-4522 clockhelp@idt.com innovate with idt and accelerate your future netw orks. contact: www.idt.com idtas4684 0.5 ohm, dual spdt analog switch analog switch

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