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SGM8141 380na, single rail-to-rail i/o operational amplifier ? product description the SGM8141 is guaranteed to operate with a single supply voltage as low as 1.4v, while drawing less than 380na (typ) of quiescent current. 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 SGM8141 has a gain-bandwidth product of 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 SGM8141 is offered in single configuration. it is specified for the extended industrial (-40 to +85 ) temperature range. the SGM8141 is available in the green sot-23-5, soic-8 and msop-8 packages. typical application high side battery current sensor i s = +vs - v out (10v/v) (10 ) SGM8141 + 100k 10 1m v out +v s i s 1.4v to 5.5v features low quiescent current: 380na (typ) rail-to-rail input and output gain-bandwidth product: 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 sot-23-5, soic-8 and msop-8 packages applications toll booth tags wearable products temperature measurement battery powered system pin configurations (top view) SGM8141 n.c. v in- v in+ 8 7 6 5 1 2 3 4 n.c. v out n.c. soic-8/msop-8 -v s +v s n.c. = no connect 3 2 1 4 5 v out SGM8141 -v s +v s v in+ v in- sot-23-5 rev. a. 2 sg micro corp www.sg-micro.com
380na, single rail-to-rail i/o operational amplifier 2 SGM8141 sg micro corp www.sg-micro.com package/ordering information model order number package description package option marking information SGM8141yn5g/tr sot-23-5 tape and reel, 3000 s40xx SGM8141ys8g/tr soic-8 tape and reel, 2500 SGM8141ys8 SGM8141 SGM8141yms8g/tr msop-8 tape and reel, 3000 SGM8141yms8 note: order number and package mark ing are defined as the follow: order number SGM8141 x x g / tr package type green product tape and reel n5 sot-23-5 s8 soic-8 ms8 msop-8 operating temperature range y -40 to +85 marking information for example: s409a (2009, january) s40 x x date code - year ("9" = 2009, "a" = 2010 ) date code - month ("a" = jan. "b" = feb. "l" = dec.) chip i.d. 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 10sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 esd susceptibility hbm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3000v 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.
380na, single rail-to-rail i/o operational amplifier 3 SGM8141 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 v/c power supply rejection ratio (psrr) +v s = 1.4v to 5.5v 66 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 68 80 +v s = 5.0v, v cm = 2.5v to 5.1v 66 80 common mode rejection ratio (cmrr) +v s = 5.0v, v cm = -0.1v to 2.5v 63 75 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 87 large signal voltage gain (a vo ) +v s = 5.0v, r l = 50k ? , v out = +v s - 0.1v 86 90 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 ? 3.0 maximum output voltage swing v ol +v s = 5.0v, r l = 50k ? 3.5 10 mv +v s = 2.5v 5.6 short circuit current (i sc ) +v s = 5.0v 22 24 ma supply voltage 1.4 5.5 v +v s = 1.4v 320 +v s = 2.5v 350 quiescent current (i q ) +v s = 5.0v 380 1000 na
380na, single rail-to-rail i/o operational amplifier 4 SGM8141 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 4.3 +v s = 2.5v 4.7 gain-bandwidth product (gbp) +v s = 5.0v 5 khz +v s = 1.4v, v out = 1v step 1.2 +v s = 2.5v, v out = 1v step 1.4 slew rate (sr) +v s = 5.0v, v out = 2v step 1.5 v/ms phase margin (pm) +v s = 1.4v to 5.5v 60 +v s = 1.4v, f = 0.1hz to 10hz 5.0 +v s = 2.5v, f = 0.1hz to 10hz 4.8 input voltage noise (e n p-p) +v s = 5.0v, f = 0.1hz to 10hz 4.9 v p-p +v s = 1.4v, f = 1khz 122 +v s = 2.5v, f = 1khz 123 input voltage noise density (e n ) +v s = 5.0v, f = 1khz 125 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? . SGM8141 + 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 figure 1. ac and dc test circuit for most non-inverting gain conditions. SGM8141 + 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 figure 2. ac and dc test circuit for most inverting gain conditions.
380na, single rail-to-rail i/o operational amplifier 5 SGM8141 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 no phase reversal -4 -3 -2 -1 0 1 2 3 4 time (5ms/div) input, output voltage (v) v out v in 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 slew rate vs. temperature 0 1 2 3 4 5 -50 -25 0 25 50 75 100 temperature ( ) slew rate (v/ms) v s = 5.5v v s = 1.4v low to high high to low
380na, single rail-to-rail i/o operational amplifier 6 SGM8141 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 +1.4v 0 5 10 15 20 25 30 35 40 -3 -2 -1 0 1 2 3 offset voltage (mv) percentage of amplifiers (%) 2700 samples v cm = +v s /2 offset voltage production distribution at +5v 0 5 10 15 20 25 30 35 40 -3-2-10123 offset voltage (mv) percentage of amplifiers (%) 2700 samples v cm = +v s /2
380na, single rail-to-rail i/o operational amplifier 7 SGM8141 sg micro corp www.sg-micro.com package outline dimensions sot-23-5 e e1 e e1 b d a1 a2 a c l 0.2 recommended land pattern (unit: mm) 1.90 2.59 0.99 0.69 0.95 dimensions in millimeters dimensions in inches symbol min max min max a 1.050 1.250 0.041 0.049 a1 0.000 0.100 0.000 0.004 a2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 d 2.820 3.020 0.111 0.119 e 1.500 1.700 0.059 0.067 e1 2.650 2.950 0.104 0.116 e 0.950 bsc 0.037 bsc e1 1.900 bsc 0.075 bsc l 0.300 0.600 0.012 0.024 0 8 0 8
380na, single rail-to-rail i/o operational amplifier 8 sg micro corp www.sg-micro.com SGM8141 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
380na, single rail-to-rail i/o operational amplifier 9 sg micro corp www.sg-micro.com SGM8141 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
380na, single rail-to-rail i/o operational amplifier 10 sg micro corp www.sg-micro.com SGM8141 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 sot-23-5 7 9.5 3.2 3.2 1.4 4.0 4.0 2.0 8.0 q3 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
380na, single rail-to-rail i/o operational amplifier 11 sg micro corp www.sg-micro.com SGM8141 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 7 (option) 368 227 224 8 7 442 410 224 18 13 386 280 370 5

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