PCM69AU-J-2

ADCs/DACs - Special Purpose Overview

The PCM69AU-J-2 is a dual 18-bit audio digital-to-analog converter (DAC) manufactured by Texas Instruments. It utilizes delta-sigma modulation technology to achieve high-fidelity audio performance with low distortion and noise. The device operates on a single 5V supply and features a serial interface compatible with standard audio protocols. Packaged in a 16-pin DIP format, it is designed for professional audio applications requiring precise analog reconstruction from digital inputs.

ADCs/DACs - Special Purpose Feature Summary

• Dual-channel 18-bit resolution with integrated delta-sigma modulators
• Serial input interface supporting standard audio data formats
• Single 5V power supply operation for simplified system design
• Low harmonic distortion and high signal-to-noise ratio performance

ADCs/DACs - Special Purpose Applications

• Professional audio mixing consoles
• High-end home theater receivers
• Digital audio workstations
• Broadcasting equipment

ADCs/DACs - Special Purpose Part Context

This component belongs to the PCM69 family of audio DACs, which are known for their use in high-performance audio systems. The 'J' suffix typically denotes a ceramic DIP package, while 'U' may indicate specific temperature or processing variations within the manufacturer's lineup. It serves as a core conversion element in digital audio chains.

ADCs/DACs - Special Purpose Replacement Considerations

Direct pin-compatible replacements within the same family include the PCM69AP-J. Engineers should verify electrical specifications such as supply voltage range and interface timing when substituting with other 18-bit audio DACs from different manufacturers.