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AD1835

Analog Devices
Part Number AD1835
Manufacturer Analog Devices
Description 2 ADC/ 8 DAC/ 96 kHz/ 24-Bit Codec
Published Mar 23, 2005
Detailed Description PRELIMINARY TECHNICAL DATA a Preliminary Technical Data FEATURES 5 V Stereo Audio System with 3.3 V Tolerant Digital In...
Datasheet PDF File AD1835 PDF File

AD1835
AD1835

Overview
PRELIMINARY TECHNICAL DATA a Preliminary Technical Data 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 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 dB THD + N, 100 dB SNR, and Dynamic Range DACs: –95 dB THD + N, 110 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 ⌺-⌬ Codec AD1835 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, LeftJustified, 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 AD1835 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 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 ⌺-⌬ ADC D...


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