Overview
The OP177GS from Analog Devices Inc. is an ultraprecision operational amplifier designed for high-accuracy applications. This single-channel op-amp is known for its low offset voltage, low noise, and high common-mode rejection ratio, making it suitable for a variety of precision instrumentation and control systems.
The OP177GS is part of the OP177 series, which is renowned for its bipolar, voltage-feedback architecture. This component is available in an 8-pin SOIC package and is RoHS compliant, although specific versions may vary in compliance status.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Number of Channels | 1 | - | - | - |
| Architecture | Bipolar, Voltage Feedback | - | - | - |
| Gain Bandwidth Product (GBP) | 600 kHz | - | - | Hz |
| Input Bias Current (Ibias) | 2 nA | -2 nA | 2 nA | nA |
| Quiescent Current per Amplifier (Iq/Amp) | 1.6 mA | - | - | mA |
| Operating Temperature Range | -40°C to 85°C | -40°C | 85°C | °C |
| Slew Rate | 0.3 V/μs | - | - | V/μs |
| Supply Voltage Range | 6 V to 44 V | 6 V | 44 V | V |
Key Features
- Low Offset Voltage: The OP177GS features a very low offset voltage, typically around 100 μV, making it ideal for precision applications.
- High Common-Mode Rejection Ratio (CMRR): With a CMRR of 120 dB, this op-amp provides excellent rejection of common-mode signals.
- Low Noise: The device has a low voltage noise density, typically around 7.9 nV/√Hz at 1 kHz.
- Wide Supply Voltage Range: It can operate over a supply voltage range of 6 V to 44 V, making it versatile for various power supply configurations.
- High Gain Bandwidth Product (GBP): The GBP of 600 kHz ensures good dynamic performance.
- Compact Packaging: Available in an 8-pin SOIC package, which is RoHS compliant.
Applications
- Precision Instrumentation: Suitable for thermocouple, RTD, strain-bridge, and other sensor signal conditioning.
- Line-Powered and Portable Instrumentation: Ideal for applications requiring high accuracy and low noise.
- Control Systems: Used in various control systems where precision and stability are crucial.
- Medical Equipment: Can be used in medical devices that require high accuracy and reliability.
Q & A
- What is the typical offset voltage of the OP177GS?
The typical offset voltage of the OP177GS is around 100 μV.
- What is the gain bandwidth product (GBP) of the OP177GS?
The GBP of the OP177GS is 600 kHz.
- What is the operating temperature range of the OP177GS?
The operating temperature range is -40°C to 85°C.
- What is the slew rate of the OP177GS?
The slew rate of the OP177GS is typically 0.3 V/μs.
- What is the supply voltage range for the OP177GS?
The supply voltage range is from 6 V to 44 V.
- Is the OP177GS RoHS compliant?
Yes, the OP177GS is RoHS compliant, although specific versions may vary.
- What package type is the OP177GS available in?
The OP177GS is available in an 8-pin SOIC package.
- What are some common applications of the OP177GS?
Common applications include precision instrumentation, line-powered and portable instrumentation, control systems, and medical equipment.
- What is the input bias current of the OP177GS?
The input bias current is typically 2 nA..
- What is the quiescent current per amplifier for the OP177GS?
The quiescent current per amplifier is typically 1.6 mA..
