
Analog Devices
GENERAL DESCRIPTION
The AD1833A 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 S-D 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 for each 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 6 Channels and 192 kHz on 2 Channels
Supports 16-/20-/24-Bit Word Lengths
Multibit - 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 and TDM Mode
48-Lead LQFP Plastic Package
APPLICATIONS
DVD Video and Audio Players
Home Theater Systems
Automotive Audio Systems
Set-Top Boxes
Digital Audio Effects Processors