Datasheet OP191, OP291, OP491 (Analog Devices) - 8

OP191/OP291/OP491 TYPICAL PERFORMANCE CHARACTERISTICS 180 40 VS = 3V VCM = 3V 160 TA = 25°C 30 BASED ON 1200 OP AMPS 140 20 A) n VCM = 2.9V 120 ( 10 NT E 0 S 100 V IT S = 3V –10 UN CURR 80 AS V –20 CM = 0.1V BI 60 UT P –30 40 IN –40 V 20
2
CM = 0V
01 15
–50
0 4- 4- 29
0
29 00 00
–60 –0.18 –0.10 –0.02 0.06 0.14 0.22 –40 25 85 125 INPUT OFFSET VOLTAGE (mV) TEMPERATURE (°C)
Figure 7. OP291 Input Offset Voltage Distribution, VS = 3 V Figure 10. Input Bias Current vs. Temperature, VS = 3 V
120 0 VS = 3V –40°C < T –0.2 A < +125°C 100 BASED ON 600 OP AMPS VCM = 0.1V A) –0.4 n ( V V S = 3V CM = 2.9V 80 NT –0.6 VCM = 3V S –0.8 IT 60 CURRE T UN E S –1.0 F F VCM = 0V 40 O –1.2 UT P IN –1.4 20
3 6
–1.6
-01 -01 94 94 002
0
002
–1.8 0 1 2 3 4 5 6 7 –40 25 85 125 INPUT OFFSET VOLTAGE (µV/°C) TEMPERATURE (°C)
Figure 8. OP291 Input Offset Voltage Drift Distribution, VS = 3 V Figure 11. Input Offset Current vs. Temperature, VS = 3 V
0 36 VS = 3V VS = 3V 30 –0.02 ) V 24 V CM = 0.1V m A) 18 E ( –0.04 n G ( A 12 T VCM = 0V NT L –0.06 6 VO V T CM = 3V CURRE 0 SE S F –0.08 –6 F IA O B T VCM = 2.9V –12 –0.10 UT PU –18 IN INP –0.12 –24
4 7 01 4- -01
–30
4 29 29 00
–0.14
00
–36 –40 25 85 125 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 TEMPERATURE (°C) INPUT COMMON-MODE VOLTAGE (V)
Figure 9. Input Offset Voltage vs. Temperature, VS = 3 V Figure 12. Input Bias Current vs. Input Common-Mode Voltage, VS = 3 V Rev. E | Page 8 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INPUT OVERVOLTAGE PROTECTION OUTPUT VOLTAGE PHASE REVERSAL OVERDRIVE RECOVERY APPLICATIONS INFORMATION SINGLE 3 V SUPPLY, INSTRUMENTATION AMPLIFIER SINGLE-SUPPLY RTD AMPLIFIER A 2.5 V REFERENCE FROM A 3 V SUPPLY 5 V ONLY, 12-BIT DAC SWINGS RAIL-TO-RAIL A HIGH-SIDE CURRENT MONITOR A 3 V, COLD JUNCTION COMPENSATED THERMOCOUPLE AMPLIFIER SINGLE-SUPPLY, DIRECT ACCESS ARRANGEMENT FOR MODEMS 3 V, 50 HZ/60 HZ ACTIVE NOTCH FILTER WITH FALSE GROUND SINGLE-SUPPLY, HALF-WAVE, AND FULL-WAVE RECTIFIERS OUTLINE DIMENSIONS ORDERING GUIDE