Texas Instruments

OPA189IDBVR

The OPA189IDBVR is a low-noise, precision operational amplifier (op-amp) from Texas Instruments. It is designed to provide high performance in a variety of applications, including audio, medical, and industrial systems.

Description:

The OPA189IDBVR is a single, low-noise operational amplifier that operates from a single supply voltage ranging from 3V to 36V. It is available in a small 8-pin VSSOP package. The device features a high input impedance, low output impedance, and low noise characteristics, making it ideal for use in precision applications.

Features:

• Low input voltage noise: 4.2 nV/√Hz
• High input impedance: 1 pF input capacitance typical
• Low output impedance: 2.5 Ohms typical
• Wide supply voltage range: 3V to 36V
• Low supply current: 1.1 mA typical
• Unity-gain stable
• Available in 8-pin VSSOP package

Applications:

The OPA189IDBVR is suitable for a wide range of applications where precision and low noise are required. Some of the key applications include:

1. Audio systems: The low noise and high input impedance make it ideal for use in audio preamplifiers and line drivers.
2. Medical equipment: The precision and low noise characteristics make it suitable for use in medical monitoring and diagnostic equipment.
3. Industrial systems: The low output impedance and wide supply voltage range make it suitable for use in industrial control systems and sensors.
4. Battery-powered devices: The low supply current makes it ideal for use in battery-powered devices, such as portable instruments and wireless sensors.
5. Strain gauge amplifiers: The low noise and high input impedance make it suitable for use in strain gauge amplifiers for force and pressure measurements.

In summary, the OPA189IDBVR is a low-noise, precision operational amplifier from Texas Instruments that offers high performance in a variety of applications. Its key features include low input voltage noise, high input impedance, low output impedance, and a wide supply voltage range. It is suitable for use in audio systems, medical equipment, industrial systems, battery-powered devices, and strain gauge amplifiers.