Overview
The OP281GSZ-REEL, produced by Analog Devices Inc., is a dual ultralow power, single-supply operational amplifier. Fabricated on Analog Devices' CBCMOS process, this amplifier features a precision bipolar input and a rail-to-rail output swing. It is designed for applications requiring low power consumption and high precision, making it suitable for a variety of uses in battery-powered instrumentation, safety monitoring, and signal conditioning.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Supply Voltage Range | - | 2.7 V | 12 V |
| Supply Current per Amplifier | 3.2 μA | - | 4 μA |
| Offset Voltage | 1.5 mV | - | - |
| Offset Voltage Drift | - | - | 10 μV/°C |
| Input Bias Current Drift | - | - | 20 pA/°C |
| Output Voltage High (VOH) | - | 2.925 V | 4.96 V |
| Output Voltage Low (VOL) | - | 25 mV | 75 mV |
| Short-Circuit Limit (ISC) | - | ±1.1 mA | ±3.5 mA |
| Slew Rate (SR) | 25 V/ms | - | - |
| Saturation Recovery Time | 65 μs | - | - |
| Gain Bandwidth Product (GBP) | 95 kHz | - | - |
| Phase Margin (φM) | 70 Degrees | - | - |
Key Features
- Ultralow power consumption: Maximum supply current of 4 μA per amplifier.
- Single-supply operation: Compatible with supply voltages from 2.7 V to 12 V.
- Rail-to-rail output swing: Output voltage can swing to within millivolts of the supply voltages.
- Low offset voltage: Typically 1.5 mV.
- No phase reversal.
- Fast saturation recovery time: 65 μs.
- High power supply rejection ratio (PSRR): 76 dB to 95 dB.
Applications
- Battery-powered instrumentation.
- Safety monitoring systems.
- Remote sensors.
- Low voltage strain gage amplifiers.
- Portable equipment and power supply control.
- Signal conditioning and interfacing for transducers in very low power systems.
- Comparators in low power systems.
Q & A
- What is the typical supply current per amplifier for the OP281GSZ-REEL?
The typical supply current per amplifier is 3.2 μA, with a maximum of 4 μA.
- What is the operating supply voltage range for the OP281GSZ-REEL?
The OP281GSZ-REEL operates from supply voltages ranging from 2.7 V to 12 V.
- What is the offset voltage of the OP281GSZ-REEL?
The offset voltage is typically 1.5 mV.
- Does the OP281GSZ-REEL have rail-to-rail output swing?
- What is the slew rate of the OP281GSZ-REEL?
The slew rate is typically 25 V/ms.
- What are some common applications of the OP281GSZ-REEL?
- Can the OP281GSZ-REEL be used as a comparator?
- What is the gain bandwidth product (GBP) of the OP281GSZ-REEL?
The gain bandwidth product is typically 95 kHz.
- What is the phase margin of the OP281GSZ-REEL?
The phase margin is typically 70 degrees.
- Is the OP281GSZ-REEL suitable for high-temperature environments?
