GENERAL DESCRIPTION

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 nterpolation 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.

FEATURES

5 V Stereo Audio System with 3.3 V Tolerant Digital Interface

Supports 96 kHz Sample Rates on Six Channels and 192 kHz on 2 Channels

Supports 16-/20-/24-Bit Word Lengths

Multibit Sigma-Delta Modulators with “Perfect Differential Linearity Restoration” for Reduced Idle Tones and Noise Floor

Data Directed Scrambling DACs—Least Sensitive to Jitter

Differential Output for Optimum Performance

DACs Signal-to-Noise and Dynamic Range: 110 dB

–94 dB THD + N—6-Channel Mode

–95 dB THD + N—2-Channel Mode

On-Chip Volume Control Per Channel with 1024-Step Linear Scale

Software Controllable Clickless Mute

Digital De-Emphasis Processing

Supports 256  fS, 512 fS, and 768 fS Master Clock Modes

Power-Down Mode Plus Soft Power-Down Mode

Flexible Serial Data Port with Right-Justified, Left Justified, I2S-Compatible and DSP Serial Port Modes

Supports Packed Data Mode (TDM) for DACs

48-Lead LQFP Plastic Package

APPLICATIONS

DVD Video and Audio Players

Home Theatre Systems

Automotive Audio Systems

Set-Top Boxes

Digital Audio Effects Processors