Overview
The OP291GS-REEL7 is a dual micropower operational amplifier produced by Analog Devices Inc. This component is part of the OP191/OP291/OP491 family, known for its single-supply operation and rail-to-rail input and output capabilities. The OP291GS-REEL7 is fabricated on Analog Devices’ CBCMOS process, ensuring high performance and reliability in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) | |
| Number of Pins | 8 | |
| Output Type | Rail-to-Rail | |
| Operating Supply Voltage | 2.7V to 12V, ±1.35V to ±6V | V |
| Number of Channels | 2 | |
| Operating Supply Current | 840 μA | μA |
| Quiescent Current | 420 μA | μA |
| Slew Rate | 0.5 V/μs | V/μs |
| Common Mode Rejection Ratio | 100 dB | dB |
| Input Offset Voltage (Vos) | 700 μV | μV |
| Bandwidth | 3 MHz | MHz |
| Power Supply Rejection Ratio (PSRR) | 110 dB | dB |
| Settling Time | 22 μs | μs |
| Operating Temperature Range | –40°C to +125°C | °C |
Key Features
- Single-Supply Operation: The OP291GS-REEL7 operates from a single supply voltage ranging from 2.7V to 12V, as well as dual supplies from ±1.35V to ±6V.
- Rail-to-Rail Input and Output: The amplifier features rail-to-rail input and output capabilities, allowing the input voltage to extend 10V beyond either supply without phase inversion or latch-up.
- Low Supply Current: It has a low supply current of 840 μA, making it suitable for battery-powered and power-sensitive applications.
- Wide Bandwidth: The amplifier offers a bandwidth of 3 MHz and a slew rate of 0.5 V/μs, ensuring high-speed performance.
- Low Offset Voltage: The input offset voltage is as low as 700 μV, contributing to high accuracy in signal processing).
- No Phase Reversal: The unique input stage prevents phase reversal, even when the input voltage exceeds the supply voltage).
Applications
- Industrial Process Control: Suitable for use in industrial process control systems due to its robust performance and wide operating temperature range).
- Battery-Powered Instrumentation: Ideal for battery-powered devices because of its low supply current and single-supply operation).
- Power Supply Control and Protection: Used in power supply control and protection circuits to ensure stable and reliable operation).
- Telecommunications: Applied in telecommunications equipment, especially in portable devices, due to its compact size and low power consumption).
- Remote Sensors: Suitable for remote sensor applications, including Hall effect, piezo electric, and resistive transducers).
- Low Voltage Strain Gage Amplifiers and DAC Output Amplifiers: Used in low voltage strain gage amplifiers and as output amplifiers for digital-to-analog converters (DACs)).
Q & A
- What is the operating supply voltage range of the OP291GS-REEL7?
The OP291GS-REEL7 operates from a single supply voltage ranging from 2.7V to 12V, as well as dual supplies from ±1.35V to ±6V).
- What is the bandwidth of the OP291GS-REEL7?
The bandwidth of the OP291GS-REEL7 is 3 MHz).
- What is the slew rate of the OP291GS-REEL7?
The slew rate of the OP291GS-REEL7 is 0.5 V/μs).
- What is the input offset voltage of the OP291GS-REEL7?
The input offset voltage of the OP291GS-REEL7 is as low as 700 μV).
- Does the OP291GS-REEL7 have rail-to-rail input and output capabilities?
Yes, the OP291GS-REEL7 features rail-to-rail input and output capabilities).
- What is the operating temperature range of the OP291GS-REEL7?
The operating temperature range of the OP291GS-REEL7 is –40°C to +125°C).
- What are some common applications of the OP291GS-REEL7?
The OP291GS-REEL7 is commonly used in industrial process control, battery-powered instrumentation, power supply control and protection, telecommunications, and remote sensors).
- What is the package type of the OP291GS-REEL7?
The OP291GS-REEL7 comes in an 8-lead plastic SOIC surface-mount package).
- Is the OP291GS-REEL7 RoHS compliant?
No, the OP291GS-REEL7 is not RoHS compliant).
- What is the settling time of the OP291GS-REEL7?
The settling time of the OP291GS-REEL7 is 22 μs to 0.01%).
