The AD1833 is a complete high performance single-chip, multi-channel, digital audio playback system. It features six audio playback channels each comprising a high performance digital interpolation filter, a multibit sigma-delta modulator featuring Analog Devices patented technology, and a continuous-time current-out analog DAC section. Other features include an on-chip clickless attenuator and mute capability, per channel, programmed through an SPI-compatible serial control port.