Texas Instruments

OPA2197IDGKR  

OP Amps, Buffer Amps ICs

The OPA2197IDGKR is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is designed for high-precision applications and offers several features that make it suitable for a wide range of applications.

Description:

The OPA2197IDGKR is a low-noise, low-drift operational amplifier with a precision voltage feedback design. It is available in a small 8-pin SOIC package and has a wide supply voltage range of 3V to 36V. The device is specified over an extended temperature range of -40°C to +125°C.

Features:

1. Low input voltage noise: The OPA2197IDGKR has a low input voltage noise of 4.3 nV/√Hz, which makes it suitable for high-resolution applications.
2. Low input bias current: The input bias current is typically 1 pA, which is ideal for driving high-impedance loads without significant input offset voltage errors.
3. Low drift: The device has a low input offset voltage drift of 0.5 µV/°C, which is important for maintaining precision over temperature variations.
4. Precision voltage feedback: The precision voltage feedback design ensures high accuracy and stability over a wide range of operating conditions.
5. Wide supply voltage range: The OPA2197IDGKR can operate with supply voltages from 3V to 36V, making it suitable for a variety of power supply configurations.
6. Extended temperature range: The device is specified over an extended temperature range of -40°C to +125°C, making it suitable for harsh environments.

Applications:

The OPA2197IDGKR is suitable for a wide range of precision applications, including:

1. Strain gauge amplifiers: The low drift and low noise characteristics make it ideal for use in strain gauge amplifiers for measuring mechanical stress.
2. pH measurement: The device can be used in pH measurement circuits to maintain high precision and accuracy.
3. Bridge amplifiers: The OPA2197IDGKR can be used in bridge amplifiers for precise measurement of sensor outputs, such as those from load cells or pressure sensors.
4. ADC drivers: The low noise and low distortion characteristics make it suitable for driving high-resolution analog-to-digital converters (ADCs).
5. Medical instrumentation: The device can be used in medical instruments that require high precision and accuracy, such as blood gas analyzers and other diagnostic equipment.
6. Industrial control systems: The OPA2197IDGKR can be used in industrial control systems that require precise signal conditioning and amplification.

In summary, the OPA2197IDGKR is a precision operational amplifier with low noise, low drift, and a wide supply voltage range, making it suitable for a variety of high-precision applications.

OPA2197IDGKR Documents

Download datasheets and manufacturer documentation for OPA2197IDGKR

Datasheets :

OPA197, 2197, 4197 Datasheet      

HTML Datasheet :

OPA197, 2197, 4197 Datasheet