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AD1835A View Datasheet(PDF) - Analog Devices

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AD1835A Datasheet PDF : 25 Pages
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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 fea-
turing 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 DVDD ODVDD ALRCLK ABCLK ASDATA CCLK CLATCH CIN COUT MCLK PD/RST M/S AVDD AVDD
DLRCLK
DBCLK
DSDATA1
DSDATA2
DSDATA3
DSDATA4
ADCLP
ADCLN
ADCRP
ADCRN
SERIAL DATA
I/O PORT
-
ADC
DIGITAL
FILTER
-
ADC
DIGITAL
FILTER
AD1835A
CONTROL PORT
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
VOLUME
CLOCK
DIGITAL
FILTER
DIGITAL
FILTER
DIGITAL
FILTER
DIGITAL
FILTER
DGND DGND AGND AGND AGND AGND
-
DAC
-
DAC
-
DAC
-
DAC
VREF
OUTLP1
OUTLN1
OUTRP1
OUTRN1
OUTLP2
OUTLN2
OUTRP2
OUTRN2
OUTLP3
OUTLN3
OUTRP3
OUTRN3
OUTLP4
OUTLN4
OUTRP4
OUTRN4
FILTD
FILTR
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.
 

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