Overview
The OP177GPZ is an ultra-precision operational amplifier produced by Analog Devices Inc. It is renowned for its exceptional performance, making it one of the highest precision operational amplifiers available. The OP177GPZ features an extremely low offset voltage, outstanding offset voltage drift, and high gain accuracy, making it ideal for applications requiring high precision and stability over temperature.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 10 | 25 | 20/60 | μV |
| Long-term Input Offset Voltage Stability | ΔVOS/time | 0.3 | 0.4 | μV/mo | |
| Input Offset Current | IOS | 0.3 | 1.5/2.8 | nA | |
| Input Bias Current | IB | -0.2/+1.2 | +2/-0.2/+1.2 | +2.8 | nA |
| Input Noise Voltage | en | 118 | 150 | nV rms | |
| Input Noise Current | in | 3 | 8 | pA rms | |
| Common Mode Rejection Ratio (CMRR) | 130 | dB | |||
| Power Supply Rejection Ratio (PSRR) | 120 | dB | |||
| Supply Voltage | ±22 | V | |||
| Operating Temperature Range | -40 | +85 | °C |
Key Features
- Extremely low offset voltage of 25 μV maximum at room temperature.
- Outstanding offset voltage drift of 0.3 μV/°C maximum.
- High open-loop gain of 12 V/μV, maintained over the full ±10 V output range.
- Excellent CMRR of 130 dB minimum and PSRR of 120 dB minimum.
- Low supply current of 2 mA maximum.
- No need for external VOS adjustment due to its ultralow VOS and exceptional offset voltage drift.
- Available in 8-lead PDIP and 8-lead SOIC packages.
- Extended industrial temperature range of -40°C to +85°C.
Applications
The OP177GPZ is suitable for a wide range of high-precision applications, including:
- High closed-loop gain circuits.
- Instrumentation and measurement systems.
- Medical devices requiring high accuracy.
- Aerospace and defense systems.
- Industrial control systems.
- Audio and video equipment where low noise and high precision are critical.
Q & A
- What is the maximum input offset voltage of the OP177GPZ?
The maximum input offset voltage is 25 μV at room temperature. - What is the offset voltage drift of the OP177GPZ?
The offset voltage drift is 0.3 μV/°C maximum. - What is the open-loop gain of the OP177GPZ?
The open-loop gain is 12 V/μV, maintained over the full ±10 V output range. - What are the CMRR and PSRR of the OP177GPZ?
The CMRR is 130 dB minimum, and the PSRR is 120 dB minimum. - What is the maximum supply current of the OP177GPZ?
The maximum supply current is 2 mA. - In what packages is the OP177GPZ available?
The OP177GPZ is available in 8-lead PDIP and 8-lead SOIC packages. - What is the operating temperature range of the OP177GPZ?
The operating temperature range is -40°C to +85°C. - Is the OP177GPZ suitable for high closed-loop gain applications?
Yes, it is highly suitable due to its high precision and stability. - Does the OP177GPZ require external VOS adjustment?
No, it does not require external VOS adjustment due to its ultralow VOS and exceptional offset voltage drift. - What are some common applications of the OP177GPZ?
Common applications include instrumentation, medical devices, aerospace, industrial control systems, and audio/video equipment.
