SGM8042 670na, dual rail-to-rail i/o operational amplifier ? product description the SGM8042 is guaranteed to operate with a single supply voltage as low as 1.4v, while drawing less than 670na (typ) of quiescent current per amplifier. this device is also designed to support rail-to-rail input and output operation. this combination of features supports battery-powered and portable applications. the SGM8042 has a gain-bandwidth product of 14.5khz (typ) and is unity gain stable. these specifications make this operational amplifier appropriate for low frequency applications, such as battery current monitoring and sensor conditioning. the SGM8042 is offered in dual configuration. it is specified for the extended industrial (-40 to +85 ) temperature range. the SGM8042 is available in the green soic-8 and msop-8 packages. typical application high side battery current sensor i s = +vs - v out (10v/v) (10 ) SGM8042 + 100k 10 1m v out +v s i s 1.4v to 5.5v 1 2 features low quiescent current: 670na/amplifier (typ) rail-to-rail input and output gain-bandwidth product: 14.5khz at v s = 5v (typ) wide supply voltage range: 1.4v to 5.5v unity gain stable -40 to +85 operating temperature range available in green soic-8 and msop-8 packages applications toll booth tags wearable products temperature measurement battery powered system pin configurations (top view) 4 3 2 1 5 6 7 8 v outa v ina- v ina+ v outb SGM8042 soic-8/msop-8 -v s +v s v inb- v inb+ rev. a. 2 sg micro corp www.sg-micro.com
670na, dual rail-to-rail i/o operational amplifier 2 SGM8042 sg micro corp www.sg-micro.com package/ordering information model order number package description package option marking information SGM8042ys8g/tr soic-8 tape and reel, 2500 SGM8042ys8 SGM8042 SGM8042yms8g/tr msop-8 tape and reel, 3000 SGM8042yms8 absolute maximum ratings supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6v analog inputs (v in+ , v in? ). . . . . . . . . (-v s ) - 0.1v to (+v s ) + 0.1v differential input voltage . . . . . . . . . . . . . . . . . . . | (-v s ) ? (+v s ) | storage temperature range . . . . . . . . . . . . . . -65 to +150 junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 operating temperature range . . . . . . . . . . . . . .-40 to +85 lead temperature (soldering 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 esd susceptibility hbm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4000v mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400v note: stresses beyond those listed under ?absolute 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 s pecifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. caution this integrated circuit can be damaged by esd if you don?t pay attention to esd protection. sgmicro recommends that all integrated circuits be handled with appropriate precautions. failure to observe proper handling and installation procedures can cause damage. esd damage can range from subtle performance degradation to complete device failure. precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. sgmicro reserves the right to make any change in circuit design, specification or other related things if necessary without notice at any time. please contact sgmicro sales office to get the latest datasheet.
670na, dual rail-to-rail i/o operational amplifier 3 SGM8042 sg micro corp www.sg-micro.com electrical characteristics +v s = +1.4v to +5.0v, -v s = gnd, t a = +25c, v cm = +v s /2, v out +v s /2 and r l = 1m ? to +v s /2 (1) , unless otherwise noted. parameter conditions min typ max units dc electrical characteristics input offset voltage (v os ) v cm = +v s /2 0.4 2.5 mv input offset voltage drift ( v os / t ) v cm = +v s /2, -40 t a +85 2.5 v/c power supply rejection ratio (psrr) +v s = 1.4v to 5.5v 77 80 db input common mode voltage range (v cmr ) -vs - 0.1 +vs + 0.1 v +v s = 5.0v, v cm = -0.1v to 5.1v 67 84 +v s = 5.0v, v cm = 2.5v to 5.1v 70 83 common mode rejection ratio (cmrr) +v s = 5.0v, v cm = -0.1v to 2.5v 66 78 db +v s = 1.4v, r l = 50k ? , v out = +v s - 0.1v 75 80 +v s = 2.5v, r l = 50k ? , v out = +v s - 0.1v 88 large signal voltage gain (a vo ) +v s = 5.0v, r l = 50k ? , v out = +v s - 0.1v 84 93 db input bias current (i b ) 1 pa input offset current (i os ) 1 pa +v s = 1.4v, r l = 50k ? 1.390 1.395 +v s = 2.5v, r l = 50k ? 2.497 v oh +v s = 5.0v, r l = 50k ? 4.990 4.997 v +v s = 1.4v, r l = 50k ? 4.5 10 +v s = 2.5v, r l = 50k ? 3.1 maximum output voltage swing v ol +v s = 5.0v, r l = 50k ? 3.5 10 mv +v s = 2.5v 5.5 short circuit current (i sc ) +v s = 5.0v 22 24 ma supply voltage 1.4 5.5 v +v s = 1.4v 570 +v s = 2.5v 620 quiescent current/amplifier (i q ) +v s = 5.0v 670 1500 na
670na, dual rail-to-rail i/o operational amplifier 4 SGM8042 sg micro corp www.sg-micro.com electrical characteristics +v s = +1.4v to +5.0v, -v s = gnd, t a = +25c, v cm = +v s /2, v out +v s /2 and r l = 1m ? to +v s /2, c l = 60pf (1) , unless otherwise noted. parameter conditions min typ max units ac electrical characteristics +v s = 1.4v 12 +v s = 2.5v 13.5 gain-bandwidth product (gbp) +v s = 5.0v 14.5 khz +v s = 1.4v, v out = 1v step 3.8 +v s = 2.5v, v out = 1v step 4.0 slew rate (sr) +v s = 5.0v, v out = 2v step 4.2 v/ms phase margin (pm) +v s = 1.4v to 5.5v 60 +v s = 1.4v, f = 0.1hz to 10hz 3.7 +v s = 2.5v, f = 0.1hz to 10hz 3.2 input voltage noise (e n p-p) +v s = 5.0v, f = 0.1hz to 10hz 3.2 v p-p +v s = 1.4v, f = 1khz 190 +v s = 2.5v, f = 1khz 180 input voltage noise density (e n ) +v s = 5.0v, f = 1khz 180 nv/ hz note1: refer to figure 1 and figure 2. test circuits the test circuits used for the dc and ac tests are shown in figur e 1 and figure 2. the bypass capacitors are laid out according to the rules discussed in ?supply bypass? . SGM8042 + r f v out +v s r l c l 1f 0.1f r g r n +v s /2 v in +v s /2 1 2 figure 1. ac and dc test circuit for most non-inverting gain conditions. SGM8042 + r f v out +v s r l c l 1f 0.1f r g r n +v s /2 v in +v s /2 1 2 figure 2. ac and dc test circuit for most inverting gain conditions.
670na, dual rail-to-rail i/o operational amplifier 5 SGM8042 sg micro corp www.sg-micro.com typical performance characteristics t a = +25c, +v s = +1.4v to +5.0v , -v s = gnd, v cm = +v s /2, v out +v s /2 and r l = 1m ? to +v s /2, c l = 60pf, unless otherwise noted. large signal inverting pulse response time (5ms/div) v out (1v/div) v s = 5.0v r l = 50k ? c l = 60pf a v = -1 small signal inverting pulse response time (5ms/div) v out (10mv/div) c l = 60pf r l = 50k ? a v = -1 slew rate vs. temperature 0 2 4 6 8 10 -50 -25 0 25 50 75 100 temperature ( ) slew rate (v/ms) v s = 5.5v v s = 1.4v high to low low to high large signal non-inverting pulse response time (5ms/div) v out (1v/div) v s = 5.0v r l = 50k ? c l = 60pf a v = +1 small signal non-inverting pulse response time (5ms/div) v out (10mv/div) c l = 60pf r l = 50k ? a v = +1 no phase reversal -4 -3 -2 -1 0 1 2 3 4 time (5ms/div) input, output voltage (v) v out v in
670na, dual rail-to-rail i/o operational amplifier 6 SGM8042 sg micro corp www.sg-micro.com typical performance characteristics t a = +25c, +v s = +1.4v to +5.0v , -v s = gnd, v cm = +v s /2, v out +v s /2 and r l = 1m ? to +v s /2, c l = 60pf, unless otherwise noted. offset voltage production distribution at +5v 0 5 10 15 20 25 30 35 40 -3 -2 -1 0 1 2 3 offset voltage (mv) percentage of amplifiers (%) 3100 samples v cm = +v s /2 offset voltage production distribution at +1.4v 0 5 10 15 20 25 30 35 40 -3-2-10123 offset voltage (mv) percentage of amplifiers (%) 3100 samples v cm = +v s /2
670na, dual rail-to-rail i/o operational amplifier 7 SGM8042 sg micro corp www.sg-micro.com package outline dimensions msop-8 e1 e e d a1 l c a a2 b recommended land pattern (unit: mm) 1.02 0.41 0.65 4.8 dimensions in millimeters dimensions in inches symbol min max min max a 0.820 1.100 0.032 0.043 a1 0.020 0.150 0.001 0.006 a2 0.750 0.950 0.030 0.037 b 0.250 0.380 0.010 0.015 c 0.090 0.230 0.004 0.009 d 2.900 3.100 0.114 0.122 e 2.900 3.100 0.114 0.122 e1 4.750 5.050 0.187 0.199 e 0.650 bsc 0.026 bsc l 0.400 0.800 0.016 0.031 0 6 0 6
670na, dual rail-to-rail i/o operational amplifier 8 SGM8042 sg micro corp www.sg-micro.com package outline dimensions soic-8 d e e1 e b a a2 a1 c l 1.27 0.6 2.2 5.2 recommended land pattern (unit: mm) dimensions in millimeters dimensions in inches symbol min max min max a 1.350 1.750 0.053 0.069 a1 0.100 0.250 0.004 0.010 a2 1.350 1.550 0.053 0.061 b 0.330 0.510 0.013 0.020 c 0.170 0.250 0.006 0.010 d 4.700 5.100 0.185 0.200 e 3.800 4.000 0.150 0.157 e1 5.800 6.200 0.228 0.244 e 1.27 bsc 0.050 bsc l 0.400 1.270 0.016 0.050 0 8 0 8
670na, dual rail-to-rail i/o operational amplifier 9 SGM8042 sg micro corp www.sg-micro.com tape and reel information note: the picture is only for reference. please make the object as the standard. key parameter list of tape and reel package type reel diameter reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p0 (mm) p1 (mm) p2 (mm) w (mm) pin1 quadrant soic-8 13 12.4 6.4 5.4 2.1 4.0 8.0 2.0 12.0 q1 msop-8 13 12.4 5.2 3.3 1.5 4.0 8.0 2.0 12.0 q1 reel width (w1) reel diameter reel dimensions tape dimensions direction of feed p2 p0 w p1 a0 k0 b0 q1 q2 q4 q3 q3 q4 q2 q1 q3 q4 q2 q1
670na, dual rail-to-rail i/o operational amplifier 10 SGM8042 sg micro corp www.sg-micro.com carton box dimensions note: the picture is only for reference. please make the object as the standard. key parameter list of carton box reel type length (mm) width (mm) height (mm) pizza/carton 13 386 280 370 5
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