OP291GS Analog Devices Inc, OP291GS Datasheet
OP291GS
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OP291GS Summary of contents
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FEATURES Single-supply operation: 2 Wide input voltage range Rail-to-rail output swing Low supply current: 300 μA/amp Wide bandwidth: 3 MHz Slew rate: 0.5 V/μs Low offset voltage: 700 μV No phase reversal APPLICATIONS Industrial process control ...
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OP191/OP291/OP491 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Pin Configurations ........................................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Electrical Specifications ............................................................... 3 Absolute Maximum Ratings ............................................................ 7 Thermal Resistance ...................................................................... 7 ESD Caution ...
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SPECIFICATIONS ELECTRICAL SPECIFICATIONS @ Table 1. Parameter INPUT CHARACTERISTICS Offset Voltage OP191G OP291G/OP491G Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection ...
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OP191/OP291/OP491 @ Table 2. Parameter INPUT CHARACTERISTICS Offset Voltage OP191 OP291/OP491 Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large ...
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V = ±5.0 V, –4.9 V ≤ V ≤ +4 Table 3. Parameter INPUT CHARACTERISTICS Offset Voltage OP191 OP291/OP491 Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain ...
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OP191/OP291/OP491 100 INPUT IN OUTPUT Figure 6. Input and Output with Inputs Overdriven Rev Page ±5V = 2kΩ ...
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ABSOLUTE MAXIMUM RATINGS Table 4. Parameter Supply Voltage Input Voltage Differential Input Voltage Output Short-Circuit Duration to GND Storage Temperature Range Packages Operating Temperature Range OP191G/OP291G/OP491G Junction Temperature Range Packages Lead Temperature (Soldering, 60 ...
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OP191/OP291/OP491 TYPICAL PERFORMANCE CHARACTERISTICS 180 25°C A 160 BASED ON 1200 OP AMPS 140 120 100 –0.18 –0.10 –0.02 0.06 INPUT OFFSET VOLTAGE (mV) Figure 7. OP291 Input Offset ...
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2.95 2. 2kΩ 2.85 2. 2.75 – TEMPERATURE (°C) Figure 13. Output Voltage Swing vs. Temperature, V 160 140 120 100 80 ...
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OP191/OP291/OP491 160 140 120 100 80 60 –PSRR –20 –40 100 1k 10k 100k FREQUENCY (Hz) Figure 19. PSRR vs. Frequency, V 113 112 111 110 109 108 107 –40 25 TEMPERATURE (°C) Figure 20. PSRR vs. ...
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25° BASED ON 600 OP AMPS –0.50 –0.30 –0.10 0.10 0.30 INPUT OFFSET VOLTAGE (mV) Figure 25. OP291 Input Offset Voltage Distribution, V 120 V ...
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OP191/OP291/OP491 5.00 4.95 4.90 4. 2kΩ L 4.80 4. 4.70 –40 25 TEMPERATURE (°C) Figure 31. Output Voltage Swing vs. Temperature, V 160 140 120 100 –20 –40 100 ...
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FREQUENCY (Hz) Figure 37. PSRR vs. Frequency 0.6 0.5 0.4 +SR –SR 0.3 0.2 0.1 0 –40 25 ...
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OP191/OP291/OP491 100 1k 10k FREQUENCY (Hz) Figure 43. Maximum Output Swing vs. Frequency, V 0.15 0. – +5V CM –0.05 –0.10 –40 25 TEMPERATURE (°C) Figure ...
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FREQUENCY (Hz) Figure 49. Open-Loop Gain and Phase vs. Frequency, V 200 180 160 R = 2kΩ L 140 120 100 ...
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OP191/OP291/OP491 115 V = ±5V S 110 OP291 105 100 95 90 –40 25 TEMPERATURE (°C) Figure 55. OP291/OP491 PSRR vs. Temperature ±5V S 0.6 +SR 0.5 –SR 0.4 0.3 0.2 0.1 0 –40 25 TEMPERATURE ...
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THEORY OF OPERATION The OP191/OP291/OP491 are single-supply, micropower amplifiers featuring rail-to-rail inputs and outputs. To achieve wide input and output ranges, these amplifiers employ unique input and output stages. In Figure 61 , the input stage comprises two differential pairs, ...
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OP191/OP291/OP491 INPUT OVERVOLTAGE PROTECTION As with any semiconductor device, whenever the condition exists for the input to exceed either supply voltage, check the input overvoltage characteristic. When an overvoltage occurs, the amplifier could be damaged depending on the voltage level ...
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APPLICATIONS INFORMATION SINGLE 3 V SUPPLY, INSTRUMENTATION AMPLIFIER The OP291 low supply current and low voltage operation make it ideal for battery-powered applications, such as the instrumentation amplifier shown in Figure 65. The circuit uses the classic two op amp ...
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OP191/OP291/OP491 A 2.5 V REFERENCE FROM SUPPLY In many single-supply applications, the need for a 2.5 V reference often arises. Many commercially available monolithic 2.5 V references require a minimum operating supply voltage The ...
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COLD JUNCTION COMPENSATED THERMOCOUPLE AMPLIFIER The OP291 low supply operation makes it ideal for 3 V battery- powered applications such as the thermocouple amplifier shown in Figure 70. The K-type thermocouple terminates in an isothermal block where ...
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OP191/OP291/OP491 HZ/60 HZ ACTIVE NOTCH FILTER WITH FALSE GROUND To process ac signals in a single-supply system often best to use a false ground biasing scheme. Figure 72 illustrates a circuit that uses this approach. ...
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OUTLINE DIMENSIONS 0.25 (0.0098) 0.10 (0.0040) COPLANARITY 4.00 (0.1575) 3.80 (0.1496) 0.25 (0.0098) 0.10 (0.0039) COPLANARITY 0.10 CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN ...
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... ORDERING GUIDE 1 Model OP191GS OP191GS-REEL OP191GS-REEL7 OP191GSZ OP191GSZ-REEL OP191GSZ-REEL7 OP291GS OP291GS-REEL OP291GS-REEL7 OP291GSZ OP291GSZ-REEL OP291GSZ-REEL7 OP491GP OP491GPZ OP491GRU-REEL OP491GRUZ-REEL OP491GS OP491GS-REEL OP491GS-REEL7 OP491GSZ OP491GSZ-REEL OP491GSZ-REEL7 RoHS Compliant Part. ©1994–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners ...