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for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. general description the max4493/max4494/max4495 single/dual/quad general-purpose operational amplifiers are designed for use in systems powered with dual supplies from ?.25v to ?.5v or with a single supply of +4.5v to +11v. these op amps provide a unity-gain bandwidth of 5mhz with only 770? of quiescent current per amplifier. the wide input common-mode range extends from 200mv beyond the negative rail to within 1.5v of the positive supply rail while the output swings within 10mv (r l = 100k ) of either rail. these amplifiers have excellent (110db) open-loop gain with very low thd+n of 0.002% (f = 1khz). the single max4493 is available in a tiny 5-pin sc70 pack- age and the dual max4494 is available in the space- saving 8-pin sot23. the quad max4495 is available in both 14-pin tssop and 14-pin so packages. all prod- ucts are rated at the automotive temperature range of -40? to +125?. ________________________applications battery-powered systems dac output amplifiers industrial control systems voltage reference generators signal conditioning features ? 770? supply current per amplifier ? operates from dual ?.25v to ?.5v supplies ? 5mhz gain-bandwidth product ? rail-to-rail output swing ? input voltage range extends 200mv below the negative rail ? 110db open-loop gain (r l = 100k ) ? low thd+n of 0.002% (f = 1khz) ? no phase reversal for overdriven inputs ? unity-gain stable ? available in space-saving packages 5-pin sc70 (max4493) 8-pin sot23 (max4494) 14-pin tssop (max4495) max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps ________________________________________________________________ maxim integrated products 1 v ee out in- 15 v cc in+ max4493 sc70/sot23-5 top view 2 34 pin configurations 19-1797; rev 2; 10/08 ordering information pin configurations continued at end of data sheet. part temp range pin- package top mark max4493 axk-t -40 c to +125 c 5 sc70 abr max4493auk-t -40 c to +125 c 5 sot23 adpg max4494 aka-t -40 c to +125 c 8 sot23 aaem max4494aua -40 c to +125 c 8 ?ax max4494asa -40 c to +125 c 8 so max4495 aud -40 c to +125 c 14 tssop max4495asd -40 c to +125 c 14 so typical operating characteristic total harmonic distortion plus noise vs. frequency 1 100k 10k 1k 100 10 max4493-08 frequency (hz) thd + n (%) 0 0.002 0.001 0.004 0.006 0.008 0.007 0.003 0.005 typical operating circuit appears at end of data sheet.
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps 2 _______________________________________________________________________________________ absolute maximum ratings dc electrical characteristics (v cc = +5v, v ee = -5v, r l = 100k to ground, t a = -40? to +125?. typical values are at t a = +25?, unless otherwise noted.) (note 1) stresses beyond those listed under ?bsolute maximum ratings?may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. supply voltage (v cc to v ee )................................................+12v voltage from any pin to ground or any other pin .............................(v ee - 0.3v) to (v cc + 0.3v) output short-circuit duration to v cc , v ee, or ground ............................................continuous continuous power dissipation (t a = +70?) 5-pin sc70 (derate 3.1mw/? above +70?) ............247mw 5-pin sot23 (derate 7.1mw/? above +70?)..........571mw 8-pin sot23 (derate 9.1mw/? above +70?)..........727mw 8-pin ?ax (derate 4.5mw/? above +70?) ...........362mw 8-pin so (derate 5.9mw/? above +70?)................471mw 14-pin tssop (derate 9.1mw/? above +70?) .......727mw 14-pin so (derate 8.3mw/? above +70?)..............667mw operating temperature range .........................-40? to +125? storage temperature range .............................-65? to +150? lead temperature (soldering, 10s) .................................+300? parameter symbol conditions min typ max units operating supply voltage range v s guaranteed by psrr test 2.25 5.5 v quiescent supply current per amplifier i s 770 1100 ? t a = +25 c0.35 input offset voltage v os t a = t min to t max 10 mv input offset voltage drift tcv os 3 ?/ c input offset voltage channel matching max4494 and max4495 1 mv input bias current i b 0.2 1 ? input offset current i os 5 300 na differential mode (-1v v in +1v) 250 k input resistance r in common mode (v ee - 0.2v v cm v cc - 1.5v) 110 m common-mode input voltage range v cm guaranteed by cmrr test v ee - 0.2v v cc - 1.5v v common-mode rejection ratio cmrr v ee - 0.2v v cm v cc - 1.5v 65 90 db power-supply rejection ratio psrr v s = 2.25v to 5.5v 65 80 db r l = 100k , v ee + 0.25v v out v cc - 0.25v 85 110 large-signal voltage gain a vol r l = 1k , v ee + 0.5v v out v cc - 0.5v 65 90 db r l = 100k , v cc - v oh and v ol - v ee 10 150 output voltage swing v out r l = 1k , v cc - v oh and v ol - v ee 200 450 mv output short-circuit current i sc sourcing or sinking 15 ma note 1: all devices are 100% production tested at t a = +25?. limits over the operating temperature range are guaranteed by design and not production tested.
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps _______________________________________________________________________________________ 3 ac electrical characteristics (v cc = +5v, v ee = -5v, r l = 100k to ground, c l = 15pf, t a = +25?, unless otherwise noted.) parameter symbol conditions min typ max units gain-bandwidth product gbwp 5 mhz full-power bandwidth fpbw v out = 5vp-p 190 khz slew rate sr v out = 5vp-p 3 v/s phase margin 75 degrees gain margin 15 db total harmonic distortion plus noise thd+n f = 1khz, v out = 5vp-p, a v = +1v/v 0.002 % settling time to 0.01% t s a v = +1v/v, v out = 5v step 4 s input capacitance c in 2pf input noise voltage density e in f = 1khz 8 nv/ hz input noise current density i in f = 1khz 0.2 pa/ hz all-hostile crosstalk f = 1khz, max4494 and max4495 -100 db capacitive-load stability a v = +1v/v, no sustained oscillations 300 pf power-up time t on v out = 1v, 1s power supply rise-time 3 s typical operating characteristics (v cc = +5v, v ee = -5v, v cm = 0, r l = 100k to ground, c l = 15pf, t a = +25?, unless otherwise noted.) 125 75 100 25 50 -25 0 -50 600 650 675 700 625 725 750 775 800 825 850 875 900 supply current vs. temperature max4493-01 temperature ( c) supply current ( a) v supply = 5v v supply = 2.5v input offset voltage vs.temperature max4493-02 0 100 300 200 600 700 500 400 800 input offset voltage ( v) -50 0 25 -25 50 75 100 125 temperature ( c) input bias current vs.temperature max4493-03 100 125 175 150 250 275 225 200 300 input bias current (na) -50 0 25 -25 50 75 100 125 temperature ( c)
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps 4 _______________________________________________________________________________________ typical operating characteristics (continued) (v cc = +5v, v ee = -5v, v cm = 0, r l = 100k to ground, c l = 15pf, t a = +25?, unless otherwise noted.) 0 50 100 150 200 250 300 350 400 -5.0 -2.5 0 2.5 5.0 input bias current vs. common-mode voltage max4493-04 common-mode voltage (v) input bias current (na) v supply = 2.5v v supply = 5v common-mode rejection vs. frequency common-mode rejection (db) -120 -80 -100 -40 -60 -20 0 1 10 100 1k 100k 1m max4493-05 frequency (hz) 10k 100 1k 10k 100k power-supply rejection vs. freqency (v supply = 2.5v to 5.5v) max4493-06 frequency (hz) power supply rejection (db) -40 -100 -90 -80 -70 -60 -50 100 1 1 1k 10k 100k 10 100 1m input voltage noise density vs. frequency 10 max4493-07 frequency (hz) noise density (nv/ hz) total harmonic distortion plus noise vs. frequency 1 100k 10k 1k 100 10 max4493-08 frequency (hz) thd + n (%) 0 0.002 0.001 0.004 0.006 0.008 0.007 0.003 0.005 0 6 4 2 10 8 18 16 14 12 20 -50 -25 0 25 50 75 100 125 output voltage swing vs. temperature (r l = 100k ) max4493-09 temperature ( c) output voltage swing (mv) v ol - v ee v cc - v oh 0 50 75 100 25 125 150 175 200 225 250 275 output voltage swing vs. temperature (r l = 1k ) max4493-10 temperature ( c) output voltage swing (mv) -50 0 25 -25 50 75 100 125 v cc - v oh v ol - v ee 40 60 100 80 120 140 -50 0 -25 25 50 75 100 125 large-signal gain vs. temperature max4493-11 temperature ( c) large-signal gain (db) r l = 100k v ee + 0.25v v out v cc - 0.25v r l = 1k v ee + 0.5v v out v cc - 0.5v 0.1k 1k 10k 100k 1m 10m 100m max4493-12 gain and phase vs. frequency frequency (hz) gain (db) -60 -40 -20 -10 10 20 40 60 -50 -30 30 0 50 -270 -180 -90 -45 45 90 180 270 -225 -135 135 0 225 phase (degrees) gain phase a v = +1000v/v
sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps _______________________________________________________________________________________ 5 gain (db) gain and phase vs. frequency (c l = 300pf) frequency (hz) -60 -40 -20 -10 10 20 40 60 -50 -30 30 0 50 0.1k 1k 10k 100k 1m 10m 100m -270 -180 -90 -45 45 90 180 270 -225 -135 135 0 225 phase (degrees) max4493-13 a v = +1000v/v gain phase 80 90 85 100 95 110 120 105 115 8.8 9.2 9.4 9.0 9.6 9.8 10.0 large-signal gain vs. output voltage swing (r l to v cc , v cc = +5v, v ee = -5v) max4493-14 total output voltage swing (v p-p ) large-signal gain (db) r l = 100k r l = 1k r l = 10k 80 90 85 100 95 110 105 115 120 8.8 9.2 9.4 9.0 9.6 9.8 10.0 large-signal gain vs. output voltage swing (r l to v ee , v cc = +5v, v ee = -5v) max4493-15 total output voltage swing (v p-p ) large-signal gain (db) r l = 100k r l = 1k r l = 10k 3.4 3.8 3.6 4.0 4.2 4.4 r l = 100k r l = 1k r l = 10k 70 80 75 90 85 100 95 105 115 110 120 large-signal gain vs. output voltage swing (r l to v cc , v cc = +2.25v, v ee = -2.25v) max4493-16 total output voltage swing (v p-p ) large-signal gain (db) 3.4 3.8 3.6 4.0 4.2 4.4 r l = 100k r l = 1k r l = 10k 70 80 75 90 85 100 95 105 110 115 large-signal gain vs. output voltage swing (r l to v ee , v cc = +2.25v, v ee = -2.25v) max4493-17 total output voltage swing (v p-p ) large-signal gain (db) typical operating characteristics (continued) (v cc = +5v, v ee = -5v, v cm = 0, r l = 100k to ground, c l = 15pf, t a = +25?, unless otherwise noted.) large-signal transient response max4493-19 10 max4494/max4495 crosstalk vs. frequency max4493-18 frequency (hz) crosstalk (db) -100 -80 -60 -40 -20 max4493/max4494/max4495
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps 6 _______________________________________________________________________________________ typical operating characteristics (continued) (v cc = +5v, v ee = -5v, v cm = 0, r l = 100k to ground, c l =15pf, t a = +25?, unless otherwise noted.) small-signal transient response 200ns/div input voltage (50mv/div) output voltage (50mv/div) max4493-20 large-signal capacitive-load stability (c l = 1200pf) 10 small-signal capacitive-load stability (c l = 300pf) max4493-22 200ns/div input voltage (50mv/div) output voltage (50mv/div) small-signal transient response (r iso = 15 , c l = 1000pf) max4493-23 200ns/div input voltage (50mv/div) output voltage (50mv/div) large-signal transient response (r iso = 15 , c l = 0.01 f) max4493-24 10 power-up time (v in = +1v) max4493-25 10 stability vs. capacitive and resistive loads 200 100 max4493-26 r load ( ) c load (pf) 400 300 600 700 500 800 900 stable region
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps _______________________________________________________________________________________ 7 pin description pin max4493 max4494 max4495 name function 1 1 outa channel a output 2 2 ina- channel a inverting input 3 3 ina+ channel a noninverting input 7 7 outb channel b output 6 6 inb- channel b inverting input 5 5 inb+ channel b noninverting input 8 outc channel c output 9 inc- channel c inverting input 10 inc+ channel c noninverting input 14 outd channel d output 13 ind- channel d inverting input 12 ind+ channel d noninverting input 4 ? out output 1 in+ noninverting input 3 in- inverting input 584v cc positive supply 2411v ee negative supply applications information rail-to-rail output stage the max4493/max4494/max4495 output stage can drive up to 1k and still swing within 200mv of the rails. capacitive-load stability driving large capacitive loads can cause instability in many op amps. the max4493/max4494/max4495 are stable with capacitive loads up to 300pf. the capacitive-load stability graph in the typical operating characteristics gives the stable operation region for capacitive versus resistive load. stability with higher capacitive loads can be improved by adding an isolation resistor in series with the op-amp output, as shown in figure 1. this resistor improves the circuit? phase margin by isolating the load capacitor from the amplifier? output. as seen in the typical operating characteristics , driving capacitive loads with an isola- tion resistor exhibits some overshoot, but no oscillation. full-power bandwidth the fpbw is given by: fpbw hz sr v outp p () (max) = [] ? r iso input output c l max4493 figure 1. capacitive load driving circuit
max4493/max4494/max4495 where the slew rate (sr) is 3v/?. figure 2 shows the full-power bandwidth as a function of the peak-to-peak ac output voltage. power-up conditions the max4493/max4494/max4495 typically settle within 3? after power-up. see power-up time in typical operating characteristics . power supplies and layout the max4493/max4494/max4495 operate with dual supplies from ?.25v to ?.5v. bypass both v cc and v ee with their own 0.1? capacitor to ground. good layout technique helps optimize performance by decreasing the amount of stray capacitance at the op amp? inputs and outputs. to decrease stray capaci- tance, minimize trace lengths by placing external com- ponents close to the op amp? pins. sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps 8 _______________________________________________________________________________________ chip information max4493 transistor count: 81 max4494 transistor count: 159 max4495 transistor count: 318 process: bipolar 14 13 12 11 10 9 8 1 2 3 4 5 6 7 outd ind- ind+ v ee v cc ina+ ina- outa top view max4495 inc+ inc- outc outb inb- inb+ so/tssop pin configurations (continued) inb- inb+ v ee 1 2 8 7 v cc outb ina- ina+ outa so/sot23/ max top view 3 4 6 5 max4494 -5v +5v v out r iso -5v 0.1 f 0.1 f 0.1 f 0.1 f +5v r f r g ref dac max4493 typical operating circuit 02 135 bandwidth vs. output voltage swing v out (vp-p) bandwidth (hz) 100m 100k 1m 10m 4 a v = +1v/v figure 2. bandwidth vs. peak-to-peak ac voltage plot
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps _______________________________________________________________________________________ 9 tssop4.40mm.eps package type package code document no. 14 tssop u14-1 21-0066 5 sot23 u5-1 21-0057 5 sc70 x5-1 21-0076 8 so s8-2 21-0041 8 sot23 k8-5 21-0078 8 ?ax u8-1 21-0036 14 so s14-1 21-0041 package information for the latest package outline information and land patterns, go to www.maxim-ic.com/packages .
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps 10 ______________________________________________________________________________________ sot-23 5l .eps package inform ation (continued) for the latest package outline information and land patterns, go to www.maxim-ic.com/packages .
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps ______________________________________________________________________________________ 11 sc70, 5l.eps package outline, 5l sc70 21-0076 1 1 e package inform ation (continued) for the latest package outline information and land patterns, go to www.maxim-ic.com/packages .
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps 12 ______________________________________________________________________________________ soicn .eps package outline, .150" soic 1 1 21-0041 b rev. document control no. approval proprietary information title: top view front view max 0.010 0.069 0.019 0.157 0.010 inches 0.150 0.007 e c dim 0.014 0.004 b a1 min 0.053 a 0.19 3.80 4.00 0.25 millimeters 0.10 0.35 1.35 min 0.49 0.25 max 1.75 0.050 0.016 l 0.40 1.27 0.394 0.386 d d min dim d inches max 9.80 10.00 millimeters min max 16 ac 0.337 0.344 ab 8.75 8.55 14 0.189 0.197 aa 5.00 4.80 8 n ms012 n side view h 0.244 0.228 5.80 6.20 e 0.050 bsc 1.27 bsc c h e e b a1 a d 0-8 l 1 variations: package inform ation (continued) for the latest package outline information and land patterns, go to www.maxim-ic.com/packages .
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps ______________________________________________________________________________________ 13 sot23, 8l.eps 0 0 marking package outline, sot-23, 8l body 21-0078 h 1 1 package inform ation (continued) for the latest package outline information and land patterns, go to www.maxim-ic.com/packages .
max4493/max4494/max4495 sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps 14 ______________________________________________________________________________________ 8lumaxd.eps package inform ation (continued) for the latest package outline information and land patterns, go to www.maxim-ic.com/packages .
sc70, low-power, general-purpose, dual-supply, rail-to-rail op amps maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circu it patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 ____________________ 15 2008 maxim integrated products is a registered trademark of maxim integrated products, inc. revision history revision number revision date description pages changed 2 10/08 updated first paragraph of the general description section 1

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