The AD1833 is a complete, high-performance, single-chip, multichannel, 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 voltage-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.