DEM-PCM2900/2902 EVM
The DEM-PCM2900 and DEM-PCM2902 are evaluation boards for the newly developed Texas Instruments USB interface codes, PCM2900 and PCM2902. The DEM-PCM2900 includes a PCM2900. It is a bus-powered USB codec without an S/PDIF interface. The DEM-PCM2902 includes a PCM2902. It is a bus-powered USB codec with an S/PDIF interface.
A USB connector is mounted on DEM-PCM2900/2902. Connecting a USB interface to this connector enables the evaluation of codec performance.
The DEM-PCM2900/2902 is operated by the 5-V bus power supply of the USB. A 3.3-V IC regulator is mounted on the board to provide power or the codec and the analog circuitry.
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