SGM8926 110khz, rail-to-rail output cmos operational amplifier product description the SGM8926 is a low power, low offset voltage and rail-to-rail output voltage feedback amplifier. it has a wide output voltage swing, and takes the minimum operating supply voltage down to 1.6v. the maximum recommended supply voltage is 5.5v. the SGM8926 provides 110khz bandwidth at a low current consumption of 6.4 a per amplifier. very low input bias currents of 1pa e nable this amplifier to be used for integrators, photodiode amplifiers, and piezoelectric sensors. rail-to-rail output is useful to designers for buffering asic in single-supply systems. applications for this amplifier also include safety monitoring, portable equipment, battery and power supply control, signal conditioning and interfacing for transducers in very low power systems. the SGM8926 dual is available in green msop-8 and soic-8 packages. it is specified over the extended -40 to +85 temperature range. features ? low offset voltage: 0.9mv (max) ? rail-to-rail output ? unity gain stable ? gain-bandwidth product: 110khz ? supply voltage range: 1.6v to 5.5v ? low supply current: 6.4 a/amplifier (typ) ? small packaging: available in green soic-8 and msop-8 packages applications asic input or output amplifier sensor interface piezoelectric transducer amplifier medical instrumentation mobile communication audio output portable systems smoke detectors mobile telephone notebook pc pcmcia cards battery-powered equipment rev. a sg micro corp www.sg-micro.com
110khz, rail-to-rail output cmos operational amplifier 2 SGM8926 sg micro corp www.sg-micro.com package/ordering information model package description specified temperature range order number marking information package option soic-8 -40 to +85 SGM8926ys8g/tr sgm 8926ys8 xxxxx tape and reel, 2500 SGM8926 msop-8 -40 to +85 SGM8926yms8g/tr SGM8926 yms8 xxxxx tape and reel, 3000 note: xxxxx = date code and vendor code. absolute maximum ratings supply voltage, +v s to -v s .....................................................6v input common mode voltage range .......................................................... (-v s ) - 0.1v to (+v s ) - 1.3v storage temperature range..............................-65 to +150 junction temperature .......................................................150 operating temperature range .................. ......... -40 to +85 lead temperature (soldering 10sec) ...........................................................................................260 esd susceptibility hbm?????.......... .................... ..................... .............8000v 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. pin configurations (top view) outa outb +inb +v s -ina +ina -v s -inb + - + - 1 2 3 4 5 6 7 8 SGM8926 soic-8/msop-8
110khz, rail-to-rail output cmos operational amplifier 3 SGM8926 sg micro corp www.sg-micro.com electrical characteristics: v s = +5v (at t a = +25 , v out = v s /2, unless otherwise noted.) parameter conditions min typ max units dc performance input offset voltage (v os ) v cm = v s /2 0.15 0.9 mv input offset voltage drift ( v os / t ) 2.5 v/ r l = 100k ? to v s /2, v out = 0.05v to 4.95v 93 r l = 10k ? to v s /2, v out = 0.15v to 4.85v 80 88 open-loop voltage gain (a ol ) -40 t a +85 77 db input characteristics v cm = -0.1v to 3.7v 69 85 common mode rejection ratio (cmrr) -40 t a +85 67 db output characteristics r l = 10k ? to v s /2 21 39 -40 t a +85 42 mv r l = 2k ? to v s /2 80 105 output voltage swing from rail -40 t a +85 115 mv r l = 10 ? to v s /2 24 36 output short-circuit current (i sc ) -40 t a +85 18 ma power supply i out = 0ma 6.4 11.5 quiescent current/amplifier (i q ) -40 t a +85 14 a v s = +1.6v to +5.5v, v cm = 0.3v 64 77 power supply rejection ratio (psrr) -40 t a +85 62 db dynamic performance gain-bandwidth product (gbp) r l = 100k ? , c l = 100pf, v cm = 2.5v 110 khz slew rate (sr) v cm = 2.5v 0.04 v/ s crosstalk f = 1khz 90 db noise performance input voltage noise (e n ) f = 1khz 105 nv/ z
110khz, rail-to-rail output cmos operational amplifier 4 SGM8926 sg micro corp www.sg-micro.com electrical characteristics: v s = +1.6v (at t a = +25 , v cm = 0.3v, v out = v s /2, unless otherwise noted.) parameter conditions min typ max units dc performance input offset voltage (v os ) 0.25 0.9 mv input offset voltage drift ( v os / t ) 1.8 v/ r l = 100k ? to v s /2, v out = 0.05v to 1.55v 99 r l = 10k ? to v s /2, v out = 0.15v to 1.45v 79 91 open-loop voltage gain (a ol ) -40 t a +85 78 db input characteristics v cm = -0.1v to 0.3v 64 78 common mode rejection ratio (cmrr) -40 t a +85 62 db output characteristics r l = 10k ? to v s /2 13 25 -40 t a +85 28 mv r l = 2k ? to v s /2 63 87 output voltage swing from rail -40 t a +85 90 mv r l = 10 ? to v s /2 0.4 2.6 output short-circuit current (i sc ) -40 t a +85 0.25 ma power supply i out = 0ma 5.8 10 quiescent current/amplifier (i q ) -40 t a +85 13.5 a dynamic performance gain-bandwidth product (gbp) r l = 100k ? , c l = 100pf 110 khz slew rate (sr) 0.04 v/ s crosstalk f = 1khz 90 db noise performance input voltage noise (e n ) f = 1khz 105 nv/ z
110khz, rail-to-rail output cmos operational amplifier 5 SGM8926 sg micro corp www.sg-micro.com typical performance characteristics at t a = +25 , v s = 5v, unless otherwise noted. small signal step response time (20 s/div) output voltage (50mv/div) cmrr and psrr vs. frequency 0 15 30 45 60 75 90 0.01 0.1 1 10 100 frequency (khz) cmrr and psrr (db) cmrr psrr quiescent current/amplifier vs. temperature 0 2 4 6 8 10 12 -40 -15 10 35 60 85 temperature ( ) quiescent current/amplifier ( a) large signal step response time (30 s/div) output voltage (500mv/div) input voltage noise spectral density vs. frequency 0 50 100 150 200 250 300 0.1 1 10 frequency (khz) input voltage noise (nv/ hz) output voltage vs. output current 0 1 2 3 4 5 6 0 5 10 15 20 25 30 35 40 output current (ma) output voltage (v) +25 -40 +85 +25 -40 +85 sourcing current sinking current
110khz, rail-to-rail output cmos operational amplifier 6 SGM8926 sg micro corp www.sg-micro.com typical performance characteristics at t a = +25 , v s = 5v, unless otherwise noted. 0.1hz to 10hz noise at +5v time (20s/div) noise (0.5 v/div) offset voltage production distribution 0 5 10 15 20 25 30 35 -0.60 -0.50 -0.40 -0.30 -0.20 -0.10 0.00 0.10 0.20 0.30 0.40 0.50 0.60 offset voltage (mv) percentage of amplifiers (%) 11800 samples 1 production lot small signal overshoot vs. load capacitance 0 10 20 30 40 50 10 100 1000 load capacitance (pf) small signal overshoot (%) g = 1 r l = 500k ? g = -1 r fb = 560k ?
110khz, rail-to-rail output cmos operational amplifier 7 SGM8926 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
110khz, rail-to-rail output cmos operational amplifier 8 SGM8926 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
110khz, rail-to-rail output cmos operational amplifier 9 SGM8926 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
110khz, rail-to-rail output cmos operational amplifier 10 SGM8926 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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