Texas Instruments

OPA990SIDBVR

The OPA990SIDBVR is a high-performance, low-power, audio operational amplifier (op-amp) manufactured by Texas Instruments. This device is designed to provide excellent audio performance with low distortion, low noise, and high bandwidth, making it ideal for a wide range of audio applications.

Description:

The OPA990SIDBVR is a monolithic operational amplifier that operates from a single supply voltage as low as 3.3V or as high as 5.5V. It is available in a small, 8-pin SOIC package, making it suitable for use in compact and portable audio systems. The device features a high output current capability of ±600 mA, which allows it to drive a wide range of loads.

Features:

1. Low supply voltage: The OPA990SIDBVR can operate from a single supply voltage ranging from 3.3V to 5.5V, making it suitable for low-voltage applications.
2. High output current: The device can provide an output current of ±600 mA, allowing it to drive a wide range of loads.
3. Low distortion: The OPA990SIDBVR has a low distortion of 0.0005%, ensuring high-quality audio performance.
4. Low noise: The device features a low input voltage noise of 7.5 nV/√Hz, which helps maintain the clarity of the audio signal.
5. High bandwidth: The OPA990SIDBVR has a high bandwidth of 200 kHz, making it suitable for high-fidelity audio applications.
6. High slew rate: The device has a high slew rate of 4 V/µs, allowing it to handle fast-changing audio signals.
7. Low quiescent current: The OPA990SIDBVR has a low quiescent current of 2.2 mA, which helps reduce power consumption in battery-powered applications.

Applications:

1. Audio preamplifiers: The OPA990SIDBVR's low noise and low distortion characteristics make it an excellent choice for audio preamplifiers in professional audio equipment and high-end home audio systems.
2. Headphone amplifiers: The device's high output current capability and low distortion make it suitable for driving headphones with high impedance.
3. Line drivers: The OPA990SIDBVR can be used as a line driver in audio systems, providing high-quality signal transmission over long distances.
4. Active filters: The device's high bandwidth and low distortion characteristics make it suitable for use in active filter applications, such as equalizers and crossovers.
5. Battery-powered audio devices: The low quiescent current of the OPA990SIDBVR makes it an ideal choice for battery-powered audio devices, such as portable music players and wireless headphones.
6. Soundbars and multimedia speakers: The OPA990SIDBVR can be used in soundbars and multimedia speakers to provide high-quality audio performance with low power consumption.

In summary, the OPA990SIDBVR is a high-performance, low-power audio operational amplifier that offers excellent audio performance with low distortion, low noise, and high bandwidth. Its features make it suitable for a wide range of audio applications, including audio preamplifiers, headphone amplifiers, line drivers, active filters, and battery-powered audio devices.