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for price, delivery, and to place orders, please contact maxim distribution at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. general description the max4480?ax4483 low-cost, general-purpose op amps offer rail-to-rail outputs, draw only 50? of quies- cent current, and operate from a single +2.5v to +5.5v supply. for additional power conservation, the max4481 offers a low-power shutdown mode that reduces supply current to 1? (max) and puts the amplifier? output in a high-impedance state. these devices are unity-gain sta- ble with capacitive loads up to 400pf. the max4480 max4483 are specified to +125?, making them suitable for use in a variety of harsh environments, such as auto- motive applications. the max4480 is a single amplifier offered in a tiny 5-pin sc70 package. the max4481 is a single amplifier with a low-power shutdown mode that reduces supply cur- rent to <1? and comes in a 6-pin sc70 package. the max4482 is a dual amplifier and comes in the space- saving 8-pin sot23 package. the max4483 is a quad amplifier and comes in a 14-pin tssop package. all devices are specified for operation across the -40? to +125? automotive temperature range. applications single-supply zero-crossing detectors instruments and terminals portable communications electronic ignition modules infrared receivers sensor signal detection features single +2.5v to +5.5v supply voltage range 50? quiescent current per amplifier 1? max shutdown mode (max4481) available in space-saving packages 5-pin sc70 (max4480) 6-pin sc70 (max4481) 8-pin sot23 (max4482) 105db a vol with 5k ? load 0.005% thd with 100k ? load rail-to-rail output voltage swing 3.0ma of sink and source load current unity-gain stable up to c load = 400pf max4480?ax4483 single/dual/quad, low-cost, single-supply, rail-to-rail op amps with shutdown ________________________________________________________________ maxim integrated products 1 in+ in- 1 2 3 5 4 out v ss v dd in+ in- 1 2 3 6 5 4 out shdn v ss v dd max4480 max4481 sc70-5/sot23-5 sc70-6/sot23-6 19-1809; rev 0; 10/00 pin configurations selector guide max4481 1 yes max4482 2 no max4483 4 no rail-to-rail is a registered trademark of nippon motorola, ltd. pin configurations continued at end of data sheet. no 1 max4480 part no. of amplifiers per package shutdown mode *future product?ontact factory for availability. ordering information part temp. range pin- package top m ark max4480 axk -40 c to +125 c 5 sc70 abu MAX4480AUK -40 c to +125 c 5 sot23 adpj max4481 axt* -40 c to +125 c 6 sc70 aan max4481aut* -40 c to +125 c 6 sot23 aaos max4482 aka -40 c to +125 c 8 sot23 aaej max4482asa -40 c to +125 c 8 so max4482aua -40 c to +125 c 8 max max4483 asd -40 c to +125 c 14 so max4483aud -40 c to +125 c 14 tssop
max4480?ax4483 single/dual/quad, low-cost, single-supply , rail-to-rail op amps with shutdown 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristics ( v d d = + 5 v , v s s = 0 , v cm = 0, v out = v dd /2, r l 1m ? connected to v dd /2, shdn = v dd (max4481 only), t a = +25? , unless otherwise noted.) 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. power-supply voltage (v dd to v ss ) .........................-0.3v to +6v all other pins ...................................(v ss - 0.3v) to (v dd + 0.3v) output short-circuit duration (out shorted to v ss or v dd )................................. continuous continuous power dissipation (t a = +70 c) 5-pin sc70 (derate 3.1mw/ c above +70 c) ............. 247mw 6-pin sc70 (derate 3.1mw/ c above +70 c) ..............245mw 5-pin sot23 (derate 7.1mw/ c above +70 c)............571mw 6-pin sot23 (derate 8.7mw/ c above +70 c)............696mw 8-pin sot23 (derate 9.1mw/ c above +70 c)............727mw 8-pin max (derate 4.5mw/ c above +70 c) ............ 362mw 8-pin so (derate 5.88mw/ c above +70 c)............... 471mw 14-pin tssop (derate 9.03mw/ c above +70 c) .......727mw 14-pin so (derate 8.33mw/ c above +70 c)............. 667mw operating temperature range .........................-40 c to +125 c junction temperature ........................................................150 c storage temperature range .............................-65 c to +150 c lead temperature (soldering, 10s) .................................+300 c output short-circuit current shdn = v dd or v ss (max4481 only) max4481 only v dd = 5.0v max4481 only device in shutdown mode, shdn = v ss , v ss < v out < v cc (max4481 only) v dd = 2.5v sinking inferred from psrr test sourcing specified as v out - v ss 2.5v v dd 5.5v v ss v cm v dd - 1.3v specified as v dd - v out inferred from cmrr test differential or common mode shdn = v ss (max4481 only) (note 1) db (note 1) v ss + 0.02v v out v dd - 0.03v conditions khz 140 gbw gain-bandwidth product na 0.001 1 500 i il , i ih shdn input current v 0.7 ? v dd v ih shdn logic high v 0.3 ? v dd v il shdn logic low a 0.01 1.0 i outshdn shutdown mode output leakage 17 ma 3 i sc 830 mv 1 v ol output voltage low 80 150 mv 4 v oh output voltage high 110 50 100 r l = 100k ? a 45 i dd v 2.5 5.5 v dd supply voltage range supply current per amplifier 82 92 psrr power-supply rejection ratio db 71 86 cmrr common-mode rejection ratio v v ss v dd - 1.3 v cm input common-mode voltage range m ? 1000 r in input resistance a 0.1 1 i shdn supply current in shutdown mv 1 5.5 v os input offset voltage pa 0.1 100 i b input bias current pa 0.1 100 i os input offset current units min typ max symbol parameter r l = 100k ? r l = 5k ? r l = 100k ? r l = 5k ? v ss + 0.10v v out v dd - 0.20v 94 105 db a vol large-signal voltage gain r l = 5k ?
max4480?ax4483 single/dual/quad, low-cost, single-supply , rail-to-rail op amps with shutdown _______________________________________________________________________________________ 3 electrical characteristics (continued) (v dd = +5v, v ss = 0, v cm = 0, v out = v dd /2, r l 1m ? connected to v dd /2, shdn = v dd (max4481 only), t a = +25? , unless otherwise noted.) electrical characteristics (v dd = +5v, v ss = 0, v cm = 0, v out = v dd /2, r l 1m ? connected to v dd /2, shdn = v dd (max4481 only), t a = -40? to +125? , unless otherwise noted.) (note 2) note 1: guaranteed by design. note 2: specifications are 100% tested at t a = +25 c (exceptions noted). all temperature limits are guaranteed by design. phase margin m 70 degrees input current noise density i n 1 fa/ hz capacitive-load stability c load 400 pf shutdown delay time t shdn 0.4 s enable delay time t en 36 s power-on time t on 15 s input capacitance c in 2.0 pf thd % 0.005 settling time to 0.1% t s 50 s max4481 only f = 10khz f = 1khz, v out = 2vp-p, a v = +1v/v a v = +1v/v max4481 only v out = 2v step parameter symbol min typ max units conditions r l = 100k ? total harmonic distortion input voltage noise density e n 100 nv/ hz f = 10khz gain margin 30 db slew rate sr 80 v/ms input offset voltage drift tc vos 3 v/ c output voltage low v ol specified as v out - v ss , r l = 5k ? 50 mv mv 200 specified as v dd - v out , r l = 5k ? v oh output voltage high large-signal voltage gain a vol v ss + 0.1v v out v dd - 0.20v, r l = 5k ? 84 db a 1 shdn = v dd or v ss (note 1) (max4481 only) i il, i ih shdn input current shdn logic high v ih max4481 only 0.7 ? v dd v v 0.3 ? v dd max4481 only v il shdn logic low 1.0 db 77 2.5v v cc 5.5v psrr power-supply rejection ratio common-mode rejection ratio cmrr v ss v cm v dd - 1.4v 67 db v v ss v dd -1.4 inferred from cmrr test v cm input common-mode voltage range input offset current i os (note 1) 100 pa pa 100 (note 1) i b input bias current input offset voltage v os 9 mv supply current per amplifier i dd 120 a v 2.5 5.5 inferred from psrr test v dd supply voltage range parameter symbol conditions min typ max units -40 c to +85 c shutdown mode output leakage i outshdn device in shutdown mode, shdn = v ss , v ss < v out < v cc (max4481 only) 5.0 a +85 c to +125 c
max4480?ax4483 single/dual/quad, low-cost, single-supply , rail-to-rail op amps with shutdown 4 _______________________________________________________________________________________ -100 -120 -140 -160 -180 110 1k 1m 100k frequency (hz) 100 10k 80 60 40 20 0 -20 -40 -60 -80 gain and phase vs. frequency (no load) max4480 toc01 gain (db)/phase (d egrees ) a vcl = +1000v/v 80 60 40 20 0 -20 -40 -60 -80 -100 -120 -140 -160 -180 110 gain and phase vs. frequency (c l = 400pf) max4480 toc02 frequency (hz) gain (db)/phase (degrees) 100 1k 1m 100k 10k a vcl = +1000v/v max4480 toc03 10 1k 100 10k 100k 1m power-supply rejection ratio vs. frequency frequency (hz) psrr (db) 10 -110 -90 -10 -30 -50 -70 frequency (hz) 1000 1 10 100 1k 10k 100k output impedance vs. frequency 0.1 max4480 toc4 output impedance ( ? ) 10 0.01 1 100 1m 40 -40 0 40 80 -20 20 60 100 120 supply current vs. temperature max4480 toc05 temperature (?) supply current ( a) 42 44 46 48 50 52 54 56 58 60 v shdn = v ss 10 -40 0 40 80 -20 20 60 100 120 max4481 shutdown supply current vs. temperature max4480 toc06 temperature ( c) supply current (pa) 1 100 1k 10k 100k -40 0 40 80 -20 20 60 100 120 max4481 output leakage current vs. temperature max4480 toc07 temperature ( c) i leak (pa) v shdn = v ss v out = v dd /2 1 100 1k 10k 100k 10 -1500 -1000 -500 500 0 1000 1500 -40 0 40 80 -20 20 60 100 120 input offset voltage vs. temperature max4480 toc08 temperature ( c ) v os ( v) 80 70 50 40 90 100 -40 0 40 80 -20 20 60 100 120 output voltage swing high vs. temperature max4480 toc09 temperature ( c) v dd - v out (mv) r l = 5k ? to v dd /2 60 typical operating characteristics (v dd = +5v, v ss = 0, v cm = v dd /2, v shdn = 5v, r l 1m ? connected to v dd /2, t a = +25 c, unless otherwise noted.)
max4480?ax4483 single/dual/quad, low-cost, single-supply , rail-to-rail op amps with shutdown _______________________________________________________________________________________ 5 4 7 8 9 10 11 -40 0 40 80 -20 20 60 100 120 output voltage swing low vs. temperature max4480 toc10 temperature ( c) v out - v ss (mv) r l = 5k ? to v dd /2 5 6 -90 -82 -80 -40 0 40 80 -20 20 60 100 120 common-mode rejection ratio vs. temperature max4480 toc11 temperature ( c) cmrr (db) -88 -86 -84 80 105 115 110 85 120 125 130 0.5 1.5 2.5 3.5 1.0 2.0 3.0 4.0 4.5 large-signal gain vs. output voltage max4480 toc12 v out (v) gain (db) r l = 5k ? to v dd /2 90 100 95 90 95 100 105 110 -40 0 40 80 -20 20 60 100 120 large-signal gain vs. temperature max4480 toc13 temperature ( c) gain (db) r l = 5k ? to v dd /2 -40 0 40 80 -20 20 60 100 120 minimum operating voltage vs. temperature max4480 toc14 temperature ( c) v dd (min) 1.2 1.4 1.3 1.6 1.5 1.7 1.9 1.8 2.0 1.0 1.1 10 1k 100 10k 100k total harmonic distortion plus noise vs. frequency max4480 toc15 frequency (hz) thd + n (%) 100 10 0.1 1 r l = 5k ? v out = 2vp-p a v = +1 bw = 30khz 0.001 0.01 10 1k 100 10k 100k total harmonic distortion plus noise vs. frequency max4480 toc16 frequency (hz) thd + n (%) 100 0.001 r l = 100k ? v out = 2vp-p a v = +1 bw = 30khz 10 1 0.01 0.1 v in (vp-p) thd + n (%) 100 0.001 0.01 0.1 1 10 total harmonic distortion plus noise vs. input amplitude max4480 toc17 02 13 r l = 5k ? f = 1khz bw = 22khz 0.001 0.01 1 0.1 10 100 01.0 0.5 1.5 2.0 2.5 3.0 total harmonic distortion plus noise vs. input amplitude max4480 toc18 v in (vp-p) thd + n (%) r l = 100k ? f = 1khz bw = 22khz typical operating characteristics (continued) (v dd = +5v, v ss = 0, v cm = v dd /2, v shdn = 5v, r l 1m ? connected to v dd /2, t a = +25 c, unless otherwise noted.)
max4480?ax4483 single/dual/quad, low-cost, single-supply, rail-to-rail op amps with shutdown 6 _______________________________________________________________________________________ typical operating characteristics (continued) (v dd = +5v, v ss = 0, v cm = v dd /2, v shdn = 5v, r l 1m ? connected to v dd /2, t a = +25 c, unless otherwise noted.) capacitive-load stability 20 0 1k 10k 100k 5 max4480 toc19 resistive load ( ? ) capacitive load (nf) 10 15 a v = +1v/v t a = +25 c r l // c l stable region unstable region noninverting small-signal transient response max4480 roc20 20 s/div a v = 1v/v r l = 5k ? in 50mv/div out noninverting large-signal transient response max4480 roc21 100 s/div a v = 1v/v r l = 5k ? in 1v/div out 0 10 5 20 15 25 0 200 300 100 400 500 600 percent overshoot vs. capacitive load max4480 toc22 c load (pf) overshoot (%) positive overshoot negative overshoot 0 20 10 40 30 50 60 023 1 456 supply current vs. supply voltage max4480 toc24 supply voltage (v) supply current ( a) v out = v dd /2 20 50 40 80 70 60 110 100 90 120 10 1k 100 10k 100k 1m channel-to-channel isolation vs. frequency max4480 toc23 frequency (khz) channel-to-channel isolation (db) 30
max4480?ax4483 single/dual/quad, low-cost, single-supply , rail-to-rail op amps with shutdown _______________________________________________________________________________________ 7 pin description detailed description rail-to-rail output stage the max4480 max4483 can drive a 5k ? load and still typically swing within 80mv of the supply rails. figure 1 shows the max4480 output voltage swing configured with a v = +10v/v. driving capacitive loads driving a capacitive load can cause instability in many op amps, especially those with low quiescent current. the max4480 max4483 are unity-gain stable for a range of capacitive loads to above 400pf. figure 2 shows the max4480 response with an excessive capacitive load. adding a series resistor between the output and the load capacitor (figure 3) improves the 1v/div 100s/div figure 1. rail-to-rail output operation max4483 max4482 max4480 max4481 in+ 1 noninverting amplifier input 1 outc outd v dd shdn inc- ind- out outa outb v ss in- ina- inb- ind+ inc+ inb+ ina+ name 8 14 4 9 13 1 7 11 2 6 12 10 5 3 pin 8 1 7 4 2 6 5 3 amplifier output c amplifier output d positive supply. use a 0.01f bypass capacitor to gnd. 6 5 active-low shutdown input. connect to v dd for normal operation. do not leave floating. 5 inverting amplifier input c inverting amplifier input d amplifier output 4 4 amplifier output a amplifier output b negative supply. connect to ground for single-supply operation. use a 0.01f bypass capacitor to gnd. 2 2 inverting amplifier input 3 3 inverting amplifier input a inverting amplifier input b noninverting amplifier input d noninverting amplifier input c noninverting amplifier input b noninverting amplifier input a function
max4480?ax4483 single/dual/quad, low-cost, single-supply , rail-to-rail op amps with shutdown 8 _______________________________________________________________________________________ c i r c u it s response by isolating the load capacitance from the op amp s output. applications information shutdown mode the max4481 features a low-power shutdown mode. when shdn goes low, the supply current drops to 0.1a (typ) and the output enters a high-impedance state. pull shdn high to enable the amplifier. do not leave shdn floating. figure 4 shows the shutdown waveform. power-up the max4480 max4483 outputs typically settle within 50s after power-up. figure 5 shows the output voltage on power-up and power-down. power supplies and layout the max4480 max4483 operate from a single +2.5v to +5.5v power supply. bypass the power supply with a 0.1f capacitor to ground. good layout techniques optimize performance by decreasing the amount of stray capacitance at the op amp s inputs and outputs. to decrease stray capaci- tance, minimize trace lengths by placing external com- ponents close to the op amp s pins. chip information max4480/max4481 transistor count: 111 max4482 transistor count: 209 max4483 transistor count: 407 2 s/div in 50mv/div out c l = inf r iso c l max4480 max4481 max4482 max4483 figure 3. capacitive-load-driving circuit 400 s/div shdn 2v/div out r l = 10m ? to v ss c l = 25pf figure 4. shutdown waveform 4?/div out 1v/div v dd 2v/div figure 5. power-up/down waveform figure 2. small-signal transient response with excessive capacitive load
max4480?ax4483 single/dual/quad, low-cost, single-supply, rail-to-rail op amps with shutdown _______________________________________________________________________________________ 9 6 sot23-8/so/ max tssop/so v ss outa ina+ 1 2 3 4 8 inb- 5 inb+ 7 outb ina- v dd outa ina+ inb+ outb inb- 1 2 3 4 5 6 7 14 13 12 11 10 9 8 ind+ inc+ inc- outc ind- outd ina- v dd v ss max4483 max4482 pin configurations (continued) package information sc70, 5l.eps
max4480?ax4483 single/dual/quad, low-cost, single-supply , rail-to-rail op amps with shutdown 1 0 ______________________________________________________________________________________ package information (continued) sc70, 6l.eps sot23, 8l.eps
max4480?ax4483 single/dual/quad, low-cost, single-supply, rail-to-rail op amps with shutdown ______________________________________________________________________________________ 11 package information (continued) sot5l.eps 6lsot.eps
package information (continued) 8lumaxd.eps max4480?ax4483 single/dual/quad, low-cost, single-supply, rail-to-rail op amps with shutdown 12 ______________________________________________________________________________________
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. 13 ____________________maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 ? 2000 maxim integrated products printed usa is a registered trademark of maxim integrated products. single/dual/quad, low-cost, single-supply, rail-to-rail op amps with shutdown max4480?ax4483 package information (continued) tssop,no pads.eps

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