Overview
The OP177GS-REEL is an ultraprecision operational amplifier produced by Analog Devices Inc. It is part of the OP177 series, known for its high precision performance, making it one of the most accurate operational amplifiers available. This amplifier is designed to offer exceptional offset voltage, low noise, and high gain accuracy, making it suitable for a wide range of precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 1 | |
| Architecture | Bipolar, Voltage Feedback | |
| Gain Bandwidth Product (GBP) | 600 kHz | |
| Input Bias Current (Ibias) | ±2 nA | |
| Supply Current per Amplifier (Iq/Amp) | 1.6 mA | |
| Operating Temperature Range | -40 to 85 °C | |
| Slew Rate | 0.3 V/μs | |
| Supply Voltage Range | 6 V to 44 V | |
| Input Offset Voltage (VOS) | 25 μV (max at room temperature) | |
| Offset Voltage Drift (ΔVOS/ΔT) | 0.3 μV/°C (max) | |
| Common-Mode Rejection Ratio (CMRR) | 130 dB (min) | |
| Power Supply Rejection Ratio (PSRR) | 120 dB (min) | |
| Package | 8-lead SOIC |
Key Features
- High Precision: The OP177GS-REEL features an extremely low input offset voltage of 25 μV maximum at room temperature and an offset voltage drift of 0.3 μV/°C maximum, ensuring high accuracy over temperature.
- Low Noise: It offers low noise performance with a voltage noise density of 7.9 nV/√Hz at 1 kHz and a current noise density of 0.2 pA/√Hz at 1 kHz.
- High Gain Accuracy: The amplifier maintains an open-loop gain of 12 V/μV over the full ±10 V output range, ensuring accurate performance in high closed-loop gain applications.
- High CMRR and PSRR: It has a common-mode rejection ratio (CMRR) of 130 dB minimum and a power supply rejection ratio (PSRR) of 120 dB minimum, enhancing its performance in noisy environments.
- Low Supply Current: The amplifier has a maximum supply current of 2 mA, making it power-efficient.
- Wide Operating Temperature Range: It operates over an extended industrial temperature range of -40°C to +85°C.
Applications
- Precision Instrumentation: Ideal for use in precision measurement instruments, such as voltmeters, ammeters, and signal processing equipment.
- Medical Devices: Suitable for medical equipment requiring high accuracy and low noise, such as ECG and EEG machines.
- Aerospace and Defense: Used in various aerospace and defense applications where high precision and reliability are critical.
- Industrial Automation: Applied in industrial control systems, sensors, and data acquisition systems where precision and stability are essential.
- Audio Equipment: Used in high-fidelity audio equipment to ensure low noise and high signal integrity.
Q & A
- What is the input offset voltage of the OP177GS-REEL?
The input offset voltage of the OP177GS-REEL is 25 μV maximum at room temperature.
- What is the offset voltage drift of the OP177GS-REEL?
The offset voltage drift is 0.3 μV/°C maximum.
- What is the gain bandwidth product (GBP) of the OP177GS-REEL?
The GBP is 600 kHz.
- What is the common-mode rejection ratio (CMRR) of the OP177GS-REEL?
The CMRR is 130 dB minimum.
- What is the power supply rejection ratio (PSRR) of the OP177GS-REEL?
The PSRR is 120 dB minimum.
- What is the operating temperature range of the OP177GS-REEL?
The operating temperature range is -40°C to +85°C.
- What is the package type of the OP177GS-REEL?
The package type is 8-lead SOIC.
- Is the OP177GS-REEL RoHS compliant?
No, the OP177GS-REEL is not RoHS compliant.
- What are some typical applications of the OP177GS-REEL?
Typical applications include precision instrumentation, medical devices, aerospace and defense, industrial automation, and audio equipment.
- What is the slew rate of the OP177GS-REEL?
The slew rate is 0.3 V/μs.
