Overview
The OP2177AR-REEL, produced by Analog Devices Inc., is a high precision, low noise operational amplifier. It is part of the OPx177 series, which represents the fourth generation of the industry-standard OP07 amplifier family. This amplifier is known for its extremely low offset voltage, very low input bias currents, and superior performance across a wide range of temperatures.
The OP2177AR-REEL is particularly suited for applications requiring high accuracy and low noise, such as in audio, medical, and industrial instrumentation. Its compact 8-lead SOIC package makes it ideal for space-constrained designs without compromising on performance.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Offset Voltage (VOS) | 25 μV to 75 μV | −40°C < TA < +125°C |
| Input Offset Voltage Drift (ΔVOS/ΔT) | 0.2 μV/°C to 0.7 μV/°C | −40°C < TA < +125°C |
| Input Bias Current (IB) | −2 nA to +2 nA | −40°C < TA < +125°C |
| Input Offset Current (IOS) | −1 nA to +1 nA | −40°C < TA < +125°C |
| Common-Mode Rejection Ratio (CMRR) | 118 dB to 125 dB | VCM = −13.5 V to +13.5 V, −40°C < TA < +125°C |
| Power Supply Rejection Ratio (PSRR) | 118 dB to 121 dB | VS = ±2.5 V to ±15 V, −40°C < TA < +125°C |
| Supply Current per Amplifier (ISY) | 400 μA to 600 μA | VO = 0 V, −40°C < TA < +125°C |
| Slew Rate (SR) | 0.7 V/μs | RL = 2 kΩ |
| Gain Bandwidth Product (GBP) | 1.3 MHz | |
| Voltage Noise Density (en) | 7.9 nV/√Hz to 8.5 nV/√Hz | f = 1 kHz |
| Output Current (IOUT) | ±10 mA | VDROPOUT < 1.2 V |
| Supply Voltage Range | ±2.5 V to ±15 V |
Key Features
- High precision with extremely low offset voltage (25 μV to 75 μV) and very low offset voltage drift (0.2 μV/°C to 0.7 μV/°C).
- Very low input bias current (−2 nA to +2 nA) and input offset current (−1 nA to +1 nA), making it suitable for high-accuracy applications.
- Low noise performance with a voltage noise density of 7.9 nV/√Hz to 8.5 nV/√Hz at 1 kHz.
- High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), ensuring robust performance against common-mode and power supply noise.
- Compact 8-lead SOIC package, ideal for space-constrained designs.
- Wide operating temperature range (−40°C to +125°C), making it suitable for a variety of environmental conditions).
Applications
- Audio applications: The OP2177AR-REEL is ideal for audio circuits due to its low noise and high precision characteristics.
- Medical instrumentation: Its high accuracy and low noise make it suitable for medical devices requiring precise signal processing).
- Industrial instrumentation: The amplifier's robust performance against noise and its wide operating temperature range make it a good choice for industrial applications).
- Test and measurement equipment: The high precision and low noise of the OP2177AR-REEL make it a reliable component for test and measurement devices).
Q & A
- What is the input offset voltage of the OP2177AR-REEL?
The input offset voltage of the OP2177AR-REEL is between 25 μV and 75 μV).
- What is the input bias current of the OP2177AR-REEL?
The input bias current is between −2 nA and +2 nA).
- What is the slew rate of the OP2177AR-REEL?
The slew rate is 0.7 V/μs).
- What is the gain bandwidth product (GBP) of the OP2177AR-REEL?
The GBP is 1.3 MHz).
- What is the common-mode rejection ratio (CMRR) of the OP2177AR-REEL?
The CMRR is between 118 dB and 125 dB).
- What is the power supply rejection ratio (PSRR) of the OP2177AR-REEL?
The PSRR is between 118 dB and 121 dB).
- What is the supply current per amplifier for the OP2177AR-REEL?
The supply current per amplifier is between 400 μA and 600 μA).
- What is the output current capability of the OP2177AR-REEL?
The output current is ±10 mA when VDROPOUT < 1.2 V).
- What is the operating temperature range of the OP2177AR-REEL?
The operating temperature range is −40°C to +125°C).
- In what package is the OP2177AR-REEL available?
The OP2177AR-REEL is available in an 8-lead SOIC package).
