AD1835 Datasheet | Analog Devices

PRELIMINARY TECHNICAL DATA a Preliminary Technical Data Features 5 V Stereo Audio System with 3.3 V Tolerant Digital Interface Supports up to 96 k Hz Sample Rates 192 k Hz Sample Rate Available on One DAC 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 ADCs: - 92 d B THD + N, 100 d B SNR, and Dynamic Range DACs: - 95 d B THD + N, 110 d B 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 k Hz, 24-Bit ⌺-⌬ Codec AD1835 Supports 256 ؋ f S, 512 ؋ f S, and 768 ؋ f S Master Mode Clocks Power-Down Mode Plus Soft Power-Down Mode Flexible Serial Data Port with Right-Justified, Left Justified, I2S-patible, 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 AD1835 is a high-performance, single-chip codec featuring four stereo DACs and one stereo ADC. Each DAC prises a high-performance digital interpolation filter, a multibit sigmadelta modulator featuring Analog Devices’ patented technology, (Continued on Page 11 ) FUNCTIONAL BLOCK DIAGRAM DVDD DVDD ODVDD ALRCLK ABCLK ASDATA CCLK CLATCH CIN COUT MCLK PD/RST M/S AVDD AVDD DLRCLK DBCLK DSDATA1 DSDATA2 DSDATA3 DSDATA4 SERIAL DATA I/O PORT CONTROL PORT VOLUME VOLUME VOLUME VOLUME CLOCK DIGITAL FILTER ⌺-⌬ DAC OUTLP1 OUTLN1 OUTRP1 OUTRN1 OUTLP2 OUTLN2 OUTRP2 OUTRN2 OUTLP3 OUTLN3 OUTRP3 OUTRN3 OUTLP4 OUTLN4 OUTRP4 OUTRN4 FILTD FILTR DIGITAL FILTER ⌺-⌬ DAC ADCLP ADCLN ⌺-⌬ ADC DIGITAL FILTER VOLUME VOLUME VOLUME DIGITAL FILTER ⌺-⌬ DAC ADCRP ADCRN ⌺-⌬...