Overview
The OP297GSZ-REEL is a dual low bias current precision operational amplifier manufactured by Analog Devices Inc. It is part of the OP297 series, known for packing precision performance into a space-saving, industry-standard 8-pin SOIC package. This amplifier is designed to offer high precision, low power consumption, and extremely low input bias current, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit |
|---|---|---|---|
| Input Offset Voltage (Vos) | 50 μV | 50 μV | μV |
| Input Offset Voltage Drift (TCVos) | 0.6 μV/°C | 2.0 μV/°C | μV/°C |
| Input Bias Current (IB) | 100 pA | 750 pA | pA |
| Open-Loop Gain (AVO) | 2000 V/mV | 2500 V/mV | V/mV |
| Supply Current (per amplifier) | 625 μA | 625 μA | μA |
| Supply Voltage Range | ±2 V to ±20 V | ±2 V to ±20 V | V |
| Common-Mode Rejection Ratio (CMRR) | 120 dB | 120 dB | dB |
| Slew Rate | 0.15 V/μs | 0.15 V/μs | V/μs |
| Gain Bandwidth Product (GBP) | 0.5 MHz | 0.5 MHz | MHz |
Key Features
- Low Offset Voltage: Maximum of 50 μV, ensuring high precision in applications.
- Low Offset Voltage Drift: Maximum of 0.6 μV/°C, providing stability over temperature changes.
- Very Low Bias Current: Maximum of 100 pA, ideal for applications requiring minimal input current.
- High Open-Loop Gain: Minimum of 2000 V/mV, ensuring high linearity in closed-loop configurations.
- Low Supply Current: Maximum of 625 μA per amplifier, suitable for battery-powered systems.
- Wide Supply Voltage Range: Operates from ±2 V to ±20 V, offering flexibility in system design.
- High Common-Mode Rejection Ratio (CMRR): Minimum of 120 dB, minimizing errors due to common-mode signals.
- Low Slew Rate: 0.15 V/μs, suitable for applications requiring moderate speed.
Applications
- Strain Gage and Bridge Amplifiers: High precision and stability make it ideal for these applications.
- High Stability Thermocouple Amplifiers: Low drift and high CMRR ensure accurate temperature measurements.
- Instrumentation Amplifiers: Precision and low noise characteristics are beneficial for instrumentation applications.
- Photocurrent Monitors: Low bias current is crucial for accurate photocurrent measurements.
- High Gain Linearity Amplifiers: High open-loop gain and constant gain linearity ensure precision in high gain applications.
- Long-term Integrators/Filters: Stability and precision over time are essential for these applications.
- Sample-and-Hold Amplifiers: Low noise and high precision are necessary for accurate sampling and holding.
- Peak Detectors and Logarithmic Amplifiers: Precision and stability are critical for these types of amplifiers.
- Battery-Powered Systems: Low supply current makes it suitable for battery-powered devices.
Q & A
- What is the maximum input offset voltage of the OP297GSZ-REEL?
The maximum input offset voltage is 50 μV.
- What is the typical input bias current of the OP297GSZ-REEL?
The typical input bias current is 100 pA.
- What is the supply voltage range for the OP297GSZ-REEL?
The supply voltage range is from ±2 V to ±20 V.
- What is the common-mode rejection ratio (CMRR) of the OP297GSZ-REEL?
The CMRR is a minimum of 120 dB.
- What is the slew rate of the OP297GSZ-REEL?
The slew rate is 0.15 V/μs.
- What is the gain bandwidth product (GBP) of the OP297GSZ-REEL?
The GBP is 0.5 MHz.
- What are some common applications of the OP297GSZ-REEL?
Common applications include strain gage and bridge amplifiers, thermocouple amplifiers, instrumentation amplifiers, and battery-powered systems.
- What is the package type of the OP297GSZ-REEL?
The package type is an 8-pin SOIC (Small Outline Integrated Circuit).
- Is the OP297GSZ-REEL RoHS compliant?
Yes, the OP297GSZ-REEL is RoHS compliant.
- What is the typical supply current per amplifier for the OP297GSZ-REEL?
The typical supply current per amplifier is 625 μA.
