OPA1642AIDGKT Audio Operational Amplifier by Texas Instruments

The OPA1642AIDGKT is a high-performance, audio operational amplifier designed by Texas Instruments, renowned for its exceptional sound quality and clarity. This op-amp is part of the OPA164x series and is crafted with audiophiles and professional audio equipment designers in mind. It offers a perfect blend of low distortion, low noise, and high-speed operation, making it an ideal choice for a wide range of audio applications.

Encased in an 8-pin VSSOP package, the OPA1642AIDGKT features JFET input stages, which enable it to provide a high input impedance. This characteristic is crucial for maintaining signal integrity and preventing loading down of the source. The op-amp operates over a wide supply range of ±2.5V to ±18V, offering designers the flexibility to use it in various circuit configurations and with different power supplies.

With a typical THD+N (Total Harmonic Distortion + Noise) of 0.00005% and an ultra-low noise density of 5.1nV/√Hz, the OPA1642AIDGKT ensures that audio signals are amplified with utmost precision and minimal interference. This makes it an excellent choice for high-end audio equipment, including headphone amplifiers, preamplifiers, DACs (Digital-to-Analog Converters), and professional audio mixing consoles.

The device also boasts a slew rate of 20V/μs and a wide bandwidth of 11MHz, which contribute to its ability to handle fast transients and maintain high fidelity with dynamic audio signals. Its rail-to-rail output swing ensures maximum dynamic range, which is particularly beneficial for applications that require a wide output swing at lower supply voltages.

For those looking to integrate the OPA1642AIDGKT into their designs, Texas Instruments provides comprehensive technical support, including detailed datasheets, application notes, and design resources. This operational amplifier is not just a component; it's a sound investment for any audio application that demands the highest quality in signal amplification.

Key Features:

• JFET input for high input impedance
• Wide supply range: ±2.5V to ±18V
• Low THD+N: 0.00005%
• Ultra-low noise: 5.1nV/√Hz
• High slew rate: 20V/μs
• Wide bandwidth: 11MHz
• Rail-to-rail output
• 8-pin VSSOP package