TIPCM2902
Overview
The PCM2902 is a single-chip USB stereo audio codec that integrates an ADC, DAC, and USB interface logic into a single 28-pin SSOP package. It features a built-in clock generator and an S/PDIF digital interface, making it a complete solution for high-quality audio streaming over USB 1.1 or 2.0 connections. The device operates from a single 5V supply and includes integrated antialiasing filters and digital high-pass filters.
Why Choose This Part
This codec is bus-powered and requires no external software driver installation due to its compliance with USB class specifications. It simplifies board design by integrating the clock generator and providing a built-in HID function for hardware control over volume and mute states.
Applications
Key Specifications
Getting Started
Evaluation can be performed using the PCM2902EVM development board which provides RCA and USB connectors for immediate testing. In custom designs, ensure the analog and digital grounds are properly isolated and provide stable 3.3V to the analog supply pins to maintain audio performance specifications.
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