Overview
The OP177GP, produced by Analog Devices Inc., is a high-performance, ultraprecision operational amplifier. It is renowned for its exceptional precision and stability, making it an ideal choice for a wide range of applications requiring high accuracy and reliability. The OP177GP features an ultralow offset voltage, outstanding offset voltage drift, and excellent open-loop gain, ensuring accurate performance in high closed-loop gain applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 10 | 25 | 60 | µV |
| Long-Term Input Offset Voltage Stability | ∆VOS/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 | 2.8 | nA |
| Input Noise Voltage | en | 118 | 150 | nV rms | |
| Input Noise Current | in | 3 | 8 | pA rms | |
| Input Resistance (Differential-Mode) | RIN | 26 | 45 | MΩ | |
| Input Resistance (Common-Mode) | RINCM | 200 | GΩ | ||
| Input Voltage Range | IVR | ±13 | ±14 | V | |
| Common-Mode Rejection Ratio | CMRR | 130 | 140 | dB | |
| Power Supply Rejection Ratio | PSRR | 115 | 125 | dB | |
| Supply Current | IS | 1.6 | 2 | mA | |
| Gain Bandwidth Product | GBP | 600 | kHz | ||
| Slew Rate | Sr | 0.3 | V/μs | ||
| Operating Temperature | Ta | -40 | +85 | °C |
Key Features
- Ultralow Offset Voltage: The OP177GP has an offset voltage of only 10 µV max at room temperature and 20 µV max over the full military temperature range, ensuring high precision and accuracy.
- Exceptional Offset Voltage Drift: With a drift of 0.1 µV/°C max, this amplifier eliminates the need for external offset voltage adjustment and maintains system accuracy over temperature.
- Excellent Open-Loop Gain and Gain Linearity: The OP177GP maintains an open-loop gain of 12 V/µV over the full ±10 V output range.
- High CMRR and PSRR: Common-Mode Rejection Ratio (CMRR) of 130 dB min and Power Supply Rejection Ratio (PSRR) of 115 dB min ensure excellent performance in various applications.
- Low Supply Current: The amplifier has a maximum supply current of 2 mA, making it power-efficient.
- Compatibility with Standard Sockets: It fits industry-standard precision op-amp sockets (OP07/OP77).
- Low Noise and Drift: The OP177GP features low noise and drift, making it suitable for high-precision applications.
Applications
- Instrumentation and Measurement Systems: Ideal for precision measurement and instrumentation due to its high accuracy and stability.
- Analog Signal Processing: Suitable for various analog signal processing tasks requiring high precision.
- Precision Voltage Regulation: Used in precision voltage regulation applications where stability and accuracy are crucial.
- Filtering and Signal Conditioning: Effective in filtering and signal conditioning applications due to its excellent noise and drift characteristics.
- Data Acquisition and Control Systems: Utilized in data acquisition and control systems where high precision and reliability are necessary.
Q & A
- What is the maximum input offset voltage of the OP177GP at room temperature?
The maximum input offset voltage of the OP177GP at room temperature is 25 µV. - What is the typical slew rate of the OP177GP?
The typical slew rate of the OP177GP is 0.3 V/μs. - What is the common-mode rejection ratio (CMRR) of the OP177GP?
The CMRR of the OP177GP is 130 dB min. - What is the power supply rejection ratio (PSRR) of the OP177GP?
The PSRR of the OP177GP is 115 dB min. - What is the operating temperature range of the OP177GP?
The operating temperature range of the OP177GP is -40°C to +85°C. - What is the gain bandwidth product of the OP177GP?
The gain bandwidth product of the OP177GP is 600 kHz. - Is the OP177GP RoHS compliant?
Yes, the OP177GP is RoHS compliant. - What are the typical input noise voltage and current of the OP177GP?
The typical input noise voltage is 150 nV rms, and the typical input noise current is 8 pA rms. - What is the maximum supply current of the OP177GP?
The maximum supply current of the OP177GP is 2 mA. - In what packages is the OP177GP available?
The OP177GP is available in 8-pin epoxy DIP and 8-pin Small-Outline (SO) packages.
