Overview
The OP281GSZ-REEL7 is a dual ultralow power, rail-to-rail output operational amplifier produced by Analog Devices Inc. This component is part of the OP281 series, known for its precision bipolar input and rail-to-rail output swing. It is fabricated on Analog Devices' CBCMOS process and is designed for single-supply operation, making it suitable for a wide range of low-power applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Voltage - Supply, Single/Dual (±) | 2.7 V ~ 12 V, ±1.35 V ~ 6 V | |
| Input Offset Voltage | 100 µV | |
| Slew Rate | 0.028 V/µs | RL = 100 kΩ, CL = 50 pF |
| Gain Bandwidth Product | 105 kHz | |
| Supply Current/Amplifier | 3.2 µA to 4 µA | VO = 0 V, -40°C ≤ TA ≤ +85°C |
| Output Type | Rail-to-Rail | |
| Output Voltage High (VOH) | 2.925 V to 4.925 V | RL = 100 kΩ to GND, -40°C ≤ TA ≤ +85°C |
| Output Voltage Low (VOL) | 25 mV to 75 mV | RL = 100 kΩ to V+, -40°C ≤ TA ≤ +85°C |
| Short-Circuit Limit (ISC) | ±1.1 mA to ±3.5 mA | |
| Operating Temperature | -40°C ~ 85°C | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | |
| Number of Circuits | 2 |
Key Features
- Ultralow power consumption: Maximum supply current of 4 µA per amplifier.
- Rail-to-rail output swing: The output voltage can swing to within millivolts of the supply voltages.
- Low offset voltage: 100 µV typical.
- Single-supply operation: Compatible with supply voltages from 2.7 V to 12 V.
- Fast saturation recovery time: 65 µs to 120 µs.
- High power supply rejection ratio (PSRR): 76 dB to 95 dB.
- Precision bipolar input stage.
Applications
- Safety monitoring systems.
- Battery-powered instrumentation.
- Remote sensors.
- Low voltage strain gage amplifiers.
- Portable equipment and battery/power supply control.
- Signal conditioning and interfacing for transducers in low power systems.
- Comparator applications, including window comparators.
Q & A
- What is the typical supply current of the OP281GSZ-REEL7? The typical supply current is 3.2 µA to 4 µA per amplifier.
- What is the input offset voltage of the OP281GSZ-REEL7? The input offset voltage is 100 µV.
- What is the slew rate of the OP281GSZ-REEL7? The slew rate is 0.028 V/µs.
- What is the gain bandwidth product of the OP281GSZ-REEL7? The gain bandwidth product is 105 kHz.
- What are the operating temperature ranges for the OP281GSZ-REEL7? The operating temperature ranges from -40°C to +85°C.
- What is the package type of the OP281GSZ-REEL7? The package type is 8-SOIC (0.154", 3.90mm Width).
- How many amplifiers are in the OP281GSZ-REEL7? The OP281GSZ-REEL7 contains 2 amplifiers.
- What are some common applications of the OP281GSZ-REEL7? Common applications include safety monitoring, battery-powered instrumentation, remote sensors, and low voltage strain gage amplifiers.
- Can the OP281GSZ-REEL7 be used as a comparator? Yes, it can be used as a comparator due to its rail-to-rail output and fast saturation recovery time.
- What is the power supply rejection ratio (PSRR) of the OP281GSZ-REEL7? The PSRR is 76 dB to 95 dB.
