General Description

The CS8422 is a 24-bit, high-performance, monolithic CMOS stereo asynchronous sample rate converter with an integrated digital audio interface receiver that decodes audio data according to the EIAJ CP1201, IEC-60958, AES3, and S/PDIF interface standards.

System Features

SPI™or I²C™Software Mode and Stand-Alone Hardware Mode

Flexible 3-wire Digital Serial Audio Input Port

Dual Serial Audio Output Ports with Independently Selectable Data Paths

Master or Slave Mode Operation for all Serial Audio Ports

Time Division Multiplexing (TDM) Mode

Integrated Oscillator for use with External Crystal

Four General-purpose Output Pins (GPO)

+3.3 V Analog Supply (VA)

+1.8 V to 5.0 V Digital Interface (VL)

Space-saving 32-pin QFN Package