
Analog Devices
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