PCM69AU-K/2K

ADCs/DACs - Special Purpose Overview

The PCM69AU-K/2K is an 18-bit stereo audio digital-to-analog converter manufactured by Texas Instruments. It operates on a single 5V supply and features a serial interface compatible with standard audio protocols. The device utilizes delta-sigma modulation to achieve high-fidelity audio performance. It is housed in a 16-pin SOIC surface-mount package designed for compact circuit board layouts.

ADCs/DACs - Special Purpose Feature Summary

• Integrates two independent 18-bit DAC channels for stereo audio output
• Supports serial data interfaces including I2S, Left-Justified, and DSP modes
• Operates from a single 5V power supply with integrated voltage reference
• Features low-power consumption suitable for portable and battery-operated applications

ADCs/DACs - Special Purpose Applications

• Portable audio players and media devices
• Home theater and surround sound systems
• Professional audio mixing consoles
• Digital audio workstations and recording equipment

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix K/2K against the manufacturer datasheet to confirm tape-and-reel packaging and lead-free status. Ensure compatibility with existing serial clock configurations. Check for obsolescence notices or lifecycle changes before finalizing procurement plans.

ADCs/DACs - Special Purpose Selection Notes

Select this component when an 18-bit resolution is sufficient for the application's dynamic range requirements. Compare against higher-resolution alternatives if ultra-low noise is critical. Verify that the single 5V supply aligns with the system's power architecture and that the SOIC package fits the PCB footprint constraints.

ADCs/DACs - Special Purpose Part Context

This part belongs to the PCM69 family of audio DACs, which are widely used in consumer and professional audio electronics. The family offers a balance between cost, performance, and ease of integration. The PCM69 series is known for its robust serial interface support and reliable operation in various audio environments.

ADCs/DACs - Special Purpose Replacement Considerations

Public confirmed substitute part numbers: PCM69AP-KG4.