Overview
The OP177FSZ-REEL, produced by Analog Devices Inc., is a high-precision operational amplifier known for its exceptional performance characteristics. This device is part of the OP177 series, which features one of the highest precision performances among operational amplifiers. The OP177 is designed to offer low offset voltage, excellent offset voltage drift, and high gain accuracy, making it suitable for high closed-loop gain applications. It is available in 8-lead PDIP and 8-lead SOIC packages, catering to various design needs. The OP177 operates over an extended industrial temperature range of −40°C to +85°C, ensuring reliability in diverse environments.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | VOS | 10 | 25 | 20 | μV |
| Long-term Input Offset Voltage Stability | ΔVOS/time | 0.3 | 0.4 | - | μV/mo |
| Input Offset Current | IOS | 0.3 | 1.5 | 0.3 | nA |
| Input Bias Current | IB | -0.2 | +1.2 | +2 | nA |
| Input Noise Voltage | en | 118 | 150 | - | nV rms |
| Input Noise Current | in | 3 | 8 | - | pA rms |
| Differential Input Resistance | RIN | 26 | 45 | - | MΩ |
| Common Mode Input Resistance | RINCM | 200 | - | - | GΩ |
| Supply Voltage | - | - | ±22 | V | |
| Operating Temperature Range | - | -40 | +85 | °C |
Key Features
- High Precision Performance: The OP177 boasts an extremely low offset voltage of 25 μV maximum at room temperature and an offset voltage drift of 0.3 μV/°C maximum, ensuring high system accuracy over temperature.
- Excellent Gain Characteristics: It features an open-loop gain of 12 V/μV, maintained over the full ±10 V output range, along with a high common-mode rejection ratio (CMRR) of 130 dB minimum and a power supply rejection ratio (PSRR) of 115 dB minimum.
- Low Noise and Low Supply Current: The OP177 has low input noise voltage and current, and it operates with a maximum supply current of 2 mA, making it a cost-effective alternative to chopper-stabilized amplifiers.
- Wide Operating Temperature Range: The device is available in an extended industrial temperature range of −40°C to +85°C.
- Compact Packaging: Available in 8-lead PDIP and 8-lead SOIC packages, making it suitable for various design requirements.
Applications
- High Closed-Loop Gain Applications: The OP177 is ideal for applications requiring high precision and accuracy, such as in instrumentation, medical devices, and industrial control systems.
- Low Noise Amplification: Suitable for applications where low noise is critical, such as in audio equipment, precision measurement instruments, and data acquisition systems.
- Temperature-Sensitive Applications: The low offset voltage drift makes it suitable for applications where temperature stability is crucial.
- General Purpose Amplification: Can be used as a general-purpose operational amplifier in a wide range of electronic circuits due to its high performance and reliability.
Q & A
- What is the maximum input offset voltage of the OP177?
The maximum input offset voltage of the OP177 is 25 μV at room temperature.
- What is the offset voltage drift of the OP177?
The offset voltage drift of the OP177 is 0.3 μV/°C maximum.
- What is the open-loop gain of the OP177?
The open-loop gain of the OP177 is 12 V/μV.
- What is the common-mode rejection ratio (CMRR) of the OP177?
The CMRR of the OP177 is 130 dB minimum.
- What is the power supply rejection ratio (PSRR) of the OP177?
The PSRR of the OP177 is 115 dB minimum.
- What is the maximum supply current of the OP177?
The maximum supply current of the OP177 is 2 mA.
- In what temperature range does the OP177 operate?
The OP177 operates in an extended industrial temperature range of −40°C to +85°C.
- What are the available package types for the OP177?
The OP177 is available in 8-lead PDIP and 8-lead SOIC packages.
- Is the OP177 suitable for low noise applications?
Yes, the OP177 is suitable for low noise applications due to its low input noise voltage and current.
- Can the OP177 be used in high closed-loop gain applications?
Yes, the OP177 is highly suitable for high closed-loop gain applications due to its high precision and accuracy.
