AD1837A is a 2-channel ADC and 8-channel DAC audio codec, supporting 5V power supply, supporting 16-, 20-, 24-bit data, maximum sampling rate up to 96kHz, supporting 192kHz sampling rate of a single DAC, using multi-bit differential linearity restoration technology, reducing idle tone and noise floor, data-directed scrambling DAC makes it least sensitive to jitter, single-ended output, ADC's THD+N is -95dB, SNR and dynamic range is 105dB, DAC's THD+N is -92dB, SNR and dynamic range is 108dB, each channel has 1024 steps of linear scale volume control, DAC and ADC can be controlled by software to mute, support digital de-emphasis processing, support 256� fS, 512� fS, 768� fS master mode clock, support standby mode and soft standby mode, flexible serial data port, support right alignment, left alignment, I2S compatible and DSP serial port mode, support TDM interface.