The OPA1664AID is a high-performance, low-noise operational amplifier designed and manufactured by Texas Instruments. This device is part of the OPAx664 series, which is renowned for its exceptional audio quality and fidelity. The OPA1664AID is specifically engineered to cater to the demanding requirements of professional audio equipment, high-fidelity music systems, and other audio applications where clarity and detail are paramount.

Key Features

• Low Noise Performance: With an ultra-low noise density of 3.3nV/√Hz at 1kHz, the OPA1664AID ensures a clear and hiss-free audio output, making it ideal for high-end audio applications.
• Wide Bandwidth: The device boasts a wide bandwidth of 11MHz, which allows for excellent signal fidelity over a broad range of frequencies.
• High Slew Rate: A high slew rate of 17V/µs ensures that the amplifier can handle rapid changes in input signals without distortion, preserving the nuances of the audio content.
• Low Distortion: Total Harmonic Distortion plus Noise (THD+N) is specified at 0.0001% at 1kHz, which means that the OPA1664AID maintains signal purity and avoids unwanted coloration.
• Flexible Supply Range: The operational amplifier can be powered by a supply range of ±2.25V to ±18V, providing versatility for different circuit designs and requirements.

Applications

The OPA1664AID is suitable for a wide array of applications that require high-quality audio reproduction. This includes:

• Professional Audio Equipment
• High-Fidelity Music Systems
• Audio Mixing Consoles
• Studio Monitors
• Headphone Amplifiers
• Active Filters
• Audio Pre-Amplifiers

Package and Quality

This operational amplifier is available in a compact SOIC-14 package, which is suitable for space-constrained applications while still providing excellent thermal performance. Texas Instruments is committed to high standards of quality, and the OPA1664AID is no exception, meeting rigorous industry standards for performance and reliability.