AD1835AS Datasheet

IC型號：
AD1835AS
PDF描述：
2 ADC, 8 DAC, 96 kHz, 24-Bit Codec
文件大?。?/label>
320.22KB
PDF頁數(shù)：
23頁
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PRELIMINARY TECHNICAL DATA

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

鈥淧erfect Differential Linearity Restoration鈥?for

Reduced Idle Tones and Noise Floor

Data Directed Scrambling DACs鈥擫east

Sensitive to Jitter

Differential Output for Optimum Performance

ADCs: 鈥?2 dB THD + N, 100 dB SNR,

and Dynamic Range

DACs: 鈥?5 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 f

, 512 f

and 768 f

Master

Mode Clocks

Power-Down Mode Plus Soft Power-Down Mode

Flexible Serial Data Port with Right-Justified, Left-

Justified, I

S-Compatible, and DSP Serial Port Modes

TDM Interface Mode Supports 8 In/8 Out Using a

Single SHARC

餂?/div>

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 sigma-

delta modulator featuring Analog Devices鈥?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

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

DIGITAL

FILTER

DAC

ADCRP

ADCRN

ADC

DIGITAL

FILTER

VOLUME

DIGITAL

FILTER

DAC

REF

DGND

AGND

SHARC is a registered trademark of Analog Devices, Inc.

REV. PrA

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.

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

漏 Analog Devices, Inc., 2002

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