Texas Instruments

OPA381AIDGKR  

OP Amps, Buffer Amps ICs

The OPA381AIDGKR is a high-performance, low-noise, dual operational amplifier (op amp) offered by Texas Instruments. This device is designed to provide excellent DC and AC performance, making it suitable for a wide range of applications. Here's a description of the OPA381AIDGKR, including its features and applications:

Description:

The OPA381AIDGKR is a precision, dual operational amplifier with a wide range of input and output voltages. It is offered in a compact 8-pin SOIC package. The device features low input bias current, low input offset voltage, and low noise, making it ideal for use in high-precision applications.

Features:

1. Low Input Bias Current: The OPA381AIDGKR has a low input bias current of 2 pA, which helps reduce errors in high-impedance input circuits.
2. Low Input Offset Voltage: The device offers an input offset voltage as low as 1 µV, contributing to its high precision.
3. Low Noise: The OPA381AIDGKR has a low input voltage noise of 5 nV/√Hz, which is beneficial for applications requiring low-noise amplification.
4. Wide Supply Voltage Range: The operational amplifier can operate with supply voltages ranging from ±2.5V to ±18V, making it suitable for various power supply configurations.
5. High Output Drive Capability: The OPA381AIDGKR can drive capacitive loads up to 10 pF without significant output distortion.
6. Precision Applications: The device is designed for precision applications, such as instrumentation amplifiers, strain gauge amplifiers, and high-resolution data acquisition systems.
7. Temperature Stability: The OPA381AIDGKR maintains its performance across a wide temperature range of -40°C to +125°C.

Applications:

1. Strain Gauge Amplifiers: The low noise and low input bias current make the OPA381AIDGKR suitable for use in strain gauge amplifiers.
2. Medical Instruments: The device's precision and low noise characteristics make it suitable for medical instruments, such as electrocardiogram (ECG) amplifiers and other bio-potential signal amplifiers.
3. Data Acquisition Systems: The OPA381AIDGKR can be used in high-resolution data acquisition systems, where low noise and high precision are critical.
4. Precision ADC Drivers: The operational amplifier can be used to drive precision analog-to-digital converters (ADCs) in test and measurement equipment.
5. Audio Amplifiers: The OPA381AIDGKR can be used in audio amplifiers, where low noise and high precision are essential for high-quality audio reproduction.
6. Photodiode Amplifiers: The device's low input offset voltage and low noise make it suitable for use in photodiode amplifiers for applications such as optical sensing and spectroscopy.

In summary, the Texas Instruments OPA381AIDGKR is a high-performance, low-noise, dual operational amplifier with excellent DC and AC performance. Its features make it suitable for a wide range of precision applications, including strain gauge amplifiers, medical instruments, data acquisition systems, precision ADC drivers, audio amplifiers, and photodiode amplifiers.

OPA381AIDGKR Documents

Download datasheets and manufacturer documentation for OPA381AIDGKR

PCN Assembly/Origin :

Additional Assembly Sites 16/Dec/2021      

Datasheets :

OPA381AIDRBR