AD1835A

FEATURES 5 V Stereo Audio System with 3.3 V Tolerant Digital Interface Supports up to 96 kHz Sample Rates 192 kHz Sample Rate Available on 1 DAC 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 ADCs: –95 dB THD + N, 105 dB SNR, and Dynamic Range DACs: –95 dB THD + N, 108 dB SNR, and Dynamic Range On-Chip Volume Controls per Channel with 1024-Step Linear Scale DAC and ADC Software Controllable Clickless Mutes Digital De-emphasis Processing 2 ADC, 8 DAC, 96 kHz, 24-Bit ⌺-⌬ Codecs AD1835A Supports 256 ؋ fS, 512 ؋ fS, and 768 ؋ fS Master Mode Clocks Power-Down Mode Plus Soft Power-Down Mode Flexible Serial Data Port with Right-Justified, Left- Justified, I2S Compatible, and DSP Serial Port Modes TDM Interface Mode Supports 8-In/8-Out Using a Single SHARC® SPORT 52-Lead MQFP Plastic Package APPLICATIONS DVD Video and Audio Players Home Theater Systems Automotive Audio Systems Audio/Visual Receivers Digital Audio Effects Processors PRODUCT OVERVIEW The AD1835A is a high performance, single-chip codec featuring four stereo DACs and one stereo ADC. Each DAC comprises a high performance digital interpolation filter, a multibit ⌺-⌬ modulator featuring Analog Devices’ patented technology, and a continuous-time voltage out analog section. (continued on page 11) FUNCTIONAL BLOCK DIAGRAM DVDD...