About This Manual The DEM-PCM1780/81/82 EVM is a complete evaluation platform for the PCM1780/PCM1781/PCM1782 series of 24-bit, 192-kHz stereo audio digital-to-analog converters (DACs). This user's guide provides the information needed to set up and operate the DEM-PCM1780/81/82 EVM, a test platform for the eight-channel, 24-bit PCM1780 , PCM1781 , and PCM1782 audio DACs. For a more detailed description of the PCM1780/81/82 product line, refer to the product data sheet available from the Texas Instruments web site at . Support documents are listed in the section of this guide entitled Related Documentation from Texas Instruments .