PCM69AU/2K

ADCs/DACs - Special Purpose Overview

The PCM69AU/2K is an 18-bit audio digital-to-analog converter (DAC) manufactured by Texas Instruments. It features a dual-channel architecture housed in a 20-pin SOIC package. The device supports serial input loading and operates with both analog and digital power supplies at 5V. It is designed for high-precision audio applications requiring accurate digital signal processing.

ADCs/DACs - Special Purpose Feature Summary

• Provides 18-bit resolution for precise audio conversion
• Features a dual-channel design for stereo applications
• Supports serial interface for digital data input

ADCs/DACs - Special Purpose Applications

• High-fidelity audio systems
• Digital signal processing equipment
• Professional audio interfaces

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix variant, such as /2K, to ensure compatibility with reel packaging requirements. Confirm that the 20-SOIC surface mount package aligns with your PCB layout constraints. Ensure supply chain sources provide original manufacturer documentation to validate authenticity and performance specifications against the official datasheet.

ADCs/DACs - Special Purpose Selection Notes

Select this component when 18-bit resolution is sufficient for the target audio fidelity. Consider the 20-SOIC package size for space-constrained designs. Verify that the serial interface protocol matches the host processor's output capabilities. Evaluate the 5V operating voltage requirement against the system's power budget.

ADCs/DACs - Special Purpose Part Context

This part belongs to the PCM69 series of audio DACs from Texas Instruments. It is distinct from higher-resolution models like the PCM1737, offering a balance between performance and complexity. The AU designation typically indicates a specific temperature or grade variant within the product line.

ADCs/DACs - Special Purpose Replacement Considerations

Direct substitutes may include other 18-bit stereo DACs from Texas Instruments with compatible pinouts. Check for equivalent parts in the PCM series that offer similar serial interface support and SOIC packaging.