AD1833A Analog Devices, AD1833A Datasheet

AD1833A

Manufacturer Part Number

AD1833A

Description

Multi-Channel, 24-Bit, 192 KHZ Sigma-delta DAC

Manufacturer

Analog Devices

Datasheet

1.AD1833A.pdf (20 pages)

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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’ 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.

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.

REV. 0

FEATURES

5 V Stereo Audio System with 3.3 V Tolerant Digital

Supports 96 kHz Sample Rates on 6 Channels and

Supports 16-/20-/24-Bit Word Lengths

Multibit - Modulators with

Data Directed Scrambling DACs—Least Sensitive to

Differential Output for Optimum Performance

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

–94 dB THD + N—6-Channel Mode

–95 dB THD + N—2-Channel Mode

On-Chip Volume Control per Channel with 1024-Step

Software Controllable Clickless Mute

Digital De-emphasis Processing

Supports 256

Power-Down Mode Plus Soft Power-Down Mode

Flexible Serial Data Port with Right-Justified,

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

Interface

192 kHz on 2 Channels

Perfect Differential Linearity Restoration for

Reduced Idle Tones and Noise Floor

Jitter

Linear Scale

Clock Modes

Left-Justified, I

S Compatible, and DSP Serial Port Modes

, 512

, and 768

Master

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

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 –40∞C to +85∞C.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

CLATCH

L/RCLK

CDATA

RESET

SDIN1

SDIN2

SDIN3

MCLK

CCLK

BCLK

SOUT

24-Bit, 192 kHz, - DAC

DGND

D D 1

PORT

DATA

PORT

FUNCTIONAL BLOCK DIAGRAM

SPI

D D 2

AD1833A

ENGINE

FILTER

ZERO FLAGS

FILTR FILTD

INTERPOLATOR

Multichannel,

S, or DSP serial port

AD1833A

AGND

D D

DAC

www.analog.com

OUTLP1

OUTLN1

OUTLP2

OUTLN2

OUTLP3

OUTLN3

OUTRP3

OUTRN3

OUTRP2

OUTRN2

OUTRP1

OUTRN1

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