OP281GSZ Analog Devices Inc, OP281GSZ Datasheet
OP281GSZ
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OP281GSZ Summary of contents
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FEATURES Low supply current: 4 μA/amplifier maximum Single-supply operation: 2 Wide input voltage range Rail-to-rail output swing Low offset voltage: 1 phase reversal APPLICATIONS Comparator Battery-powered instrumentation Safety monitoring Remote sensors Low voltage strain ...
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OP281/OP481 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Pin Configurations ........................................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Electrical Specifications ............................................................... 3 Absolute Maximum Ratings ............................................................ 6 Thermal Resistance ...................................................................... 6 ESD Caution ...
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SPECIFICATIONS ELECTRICAL SPECIFICATIONS 25°C, unless otherwise noted Table 1. Parameter INPUT CHARACTERISTICS 1 Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio ...
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OP281/OP481 25°C, unless otherwise noted Table 2. Parameter INPUT CHARACTERISTICS Offset Voltage 1 Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large-Signal Voltage ...
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V = ±5 +25°C, unless otherwise noted Table 3. Parameter INPUT CHARACTERISTICS Offset Voltage 1 Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Large-Signal Voltage Gain Offset Voltage Drift Bias Current Drift ...
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OP281/OP481 ABSOLUTE MAXIMUM RATINGS Table 4. Parameter Supply Voltage Input Voltage Differential Input Voltage Output Short-Circuit Duration to GND Storage Temperature Range Operating Temperature Range Junction Temperature Range Lead Temperature Range (Soldering, 60 sec) Stresses above those listed under Absolute ...
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TYPICAL PERFORMANCE CHARACTERISTICS 2. 25° –1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 INPUT OFFSET VOLTAGE (mV) Figure 5. Input Offset Voltage Distribution 50 V ...
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OP281/OP481 10000 25°C A 1000 100 SOURCE SINK LOAD CURRENT (µA) Figure 11. Output Voltage to Supply Rail vs. Load Current 1000 25°C ...
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V = ± 25° 100kΩ TO GROUND –10 –20 –30 100 1k 10k 100k FREQUENCY (Hz) Figure 17. Open-Loop Gain and Phase vs. Frequency 60 ...
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OP281/OP481 100 1k FREQUENCY (Hz) Figure 23. Maximum Output Swing vs. Frequency 100 1k FREQUENCY (Hz) Figure 24. Maximum Output Swing vs. Frequency 4 ...
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A2 0mV 100 50mV 100µs Figure 29. Small-Signal Transient Response A2 2.5V 100 100µs Figure 30. Large-Signal Transient Response V = ±1.35V 100kΩ ...
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OP281/OP481 V = ±1.35V ∞ L 100 500mV 500mV 50µs Figure 33. Saturation Recovery Time A2 0V 100 500mV 100µs Figure 34. Saturation Recovery Time 120 V = ...
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APPLICATIONS THEORY OF OPERATION The OPx81 family of op amps is comprised of extremely low powered, rail-to-rail output amplifiers, requiring less than 4 μA of quiescent current per amplifier. Many other competitors’ devices may be advertised as low supply current ...
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OP281/OP481 CAPACITIVE LOADING Most low supply current amplifiers have difficulty driving capacitive loads due to the higher currents required from the output stage for such loads. Higher capacitance at the output will increase the amount of overshoot and ringing in ...
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LOW-SIDE CURRENT MONITOR In the design of power-supply control circuits, a great deal of design effort is focused on ensuring the long-term reliability of a pass transistor over a wide range of load current conditions result, monitoring and ...
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OP281/OP481 0.1µF 11kΩ 300kΩ 2.2kΩ 1MΩ 1µF OP281-A ELECTRET 1MΩ MIC 1µF 10kΩ 50kΩ 20kΩ 3V 1µF INPUT 10kΩ OP281-B 3V POT. 1MΩ 1MΩ 20kΩ 1µF Figure 45. Two-Way Amplifier in a Battery-Powered Telephone Headset The OP281-A ...
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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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... OP281GS-REEL7 –40°C to +85°C 1 OP281GSZ –40°C to +85°C 1 OP281GSZ-REEL –40°C to +85°C 1 OP281GSZ-REEL7 –40°C to +85°C OP481GRU-REEL –40°C to +85°C 1 OP481GRUZ-REEL –40°C to +85°C OP481GS –40°C to +85°C OP481GS-REEL –40°C to +85°C OP481GS-REEL7 – ...
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NOTES Rev Page OP281/OP481 ...
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OP281/OP481 NOTES ©1996–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00291-0-9/08(D) Rev Page ...