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Multichannel,

24-Bit, 192 kHz, - DAC

AD1833A

FEATURES

5 V Stereo Audio System with 3.3 V Tolerant Digital

Interface

Supports 96 kHz Sample Rates on 6 Channels and

192 kHz on 2 Channels

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鈥擫east Sensitive to

Jitter

Differential Output for Optimum Performance

DACs Signal-to-Noise and Dynamic Range: 110 dB

鈥?4 dB THD + N鈥?-Channel Mode

鈥?5 dB THD + N鈥?-Channel Mode

On-Chip Volume Control per Channel with 1024-Step

Linear Scale

Software Controllable Clickless Mute

Digital De-emphasis Processing

Supports 256 f

S

, 512 f

S

, and 768 f

S

Master

Clock Modes

Power-Down Mode Plus Soft Power-Down Mode

Flexible Serial Data Port with Right-Justified,

Left-Justified, I

2

S Compatible, and DSP Serial Port Modes

Supports Packed Data Mode and TDM Mode

48-Lead LQFP Plastic Package

APPLICATIONS

DVD Video and Audio Players

Home Theater Systems

Automotive Audio Systems

Set-Top Boxes

Digital Audio Effects Processors

FUNCTIONAL BLOCK DIAGRAM

DV

D D 1

DV

D D 2

ZERO FLAGS

AV

D D

OUTLP1

OUTLN1

OUTLP2

OUTLN2

OUTLP3

OUTLN3

OUTRP3

OUTRN3

OUTRP2

OUTRN2

OUTRP1

OUTRN1

CDATA

CLATCH

CCLK

MCLK

RESET

L/RCLK

BCLK

SDIN1

SDIN2

SDIN3

SOUT

DATA

PORT

SPI

PORT

INTERPOLATOR

DAC

INTERPOLATOR

DAC

INTERPOLATOR

DAC

FILTER

ENGINE

INTERPOLATOR

DAC

INTERPOLATOR

DAC

INTERPOLATOR

DAC

AD1833A

FILTR FILTD

DGND

AGND

The AD1833A is fully compatible with all known DVD formats,

accommodating word lengths of up to 24 bits at sample rates of

48 kHz and 96 kHz on all six channels while supporting a 192 kHz

sample rate on two channels. It also provides the Redbook stan-

dard 50

ms/15 ms

digital de-emphasis filters at sample rates of

32 kHz, 44.1 kHz, and 48 kHz.

The AD1833A has a very flexible serial data input port that

allows glueless interconnection to a variety of ADCs, DSP chips,

AES/EBU receivers, and sample rate converters. It can be con-

figured in right-justified, left-justified, I

2

S, or DSP serial port

compatible modes. The AD1833A accepts serial audio data in MSB

first, twos complement format. The AD1833A can be operated

from a single 5 V power supply; it also features a separate supply

pin for its digital interface that allows it to be interfaced to devices

using 3.3 V power supplies.

The AD1833A is fabricated on a single monolithic integrated

circuit and is housed in a 48-lead LQFP package for operation

from 鈥?0鈭濩 to +85鈭濩.

GENERAL DESCRIPTION

The AD1833A is a complete, high performance, single-chip,

multichannel, digital audio playback system. It features six audio

playback channels, each comprising a high performance digital

interpolation filter, a multibit

S-D

modulator featuring Analog

Devices鈥?patented technology, and a continuous-time voltage-out

analog DAC section. Other features include an on-chip clickless

attenuator and mute capability for each channel, programmed

through an SPI compatible serial control port.

REV. 0

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 companies.

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 2003 Analog Devices, Inc. All rights reserved.

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