AD1835ASZ Analog Devices Inc, AD1835ASZ Datasheet

AD1835ASZ

Manufacturer Part Number

AD1835ASZ

Description

Manufacturer

Analog Devices Inc

Datasheet

1.AD1835ASZ.pdf (6 pages)

Specifications of AD1835ASZ

Single Supply Voltage (typ)

3.3/5V

Single Supply Voltage (min)

3/4.5V

Single Supply Voltage (max)

5.5V

Package Type

MQFP

Lead Free Status / RoHS Status

Compliant

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REV. B

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.

FEATURES

5 V Stereo Audio System with 3.3 V Tolerant

Supports up to 96 kHz Sample Rates

192 kHz Sample Rate Available on One DAC

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

Multibit - Modulators with

Data Directed Scrambling DACs—Least

Differential Output for Optimum Performance

On-Chip Volume Controls per Channel with

DAC and ADC Software Controllable Clickless Mutes

Digital De-emphasis Processing

Supports 256

Power-Down Mode Plus Soft Power-Down Mode

Flexible Serial Data Port with Right-Justified, Left-

TDM Interface Mode Supports 8 In/8 Out Using a

52-Lead MQFP Plastic Package

Digital Interface

Perfect Differential Linearity Restoration for

Reduced Idle Tones and Noise Floor

Sensitive to Jitter

ADCs: –95 dB THD + N, 105 dB SNR and

DACs: –95 dB THD + N, 108 dB SNR and

1024-Step Linear Scale

Mode Clocks

Justified, I

Single SHARC

Dynamic Range

S Compatible, and DSP Serial Port Modes

DSDATA1

DSDATA2

DSDATA3

DSDATA4

DLRCLK

ADCRN

DBCLK

ADCLN

ADCRP

ADCLP

, 512

SPORT

DVDD

AD1835

DVDD

ADC

, and 768

ODVDD

ALRCLK

DIGITAL

FILTER

FUNCTIONAL BLOCK DIAGRAM

SERIAL DATA

Master

I/O PORT

DGND

ABCLK

DGND

ASDATA

AGND

CCLK

CONTROL PORT

AGND

CLATCH

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 -

modulator featuring Analog Devices’ patented technology,

and a continuous-time voltage out analog section. Each DAC

has independent volume control and clickless mute functions.

The ADC comprises two 24-bit conversion channels with

multibit - modulators and decimation filters.

The AD1835 also contains an on-chip reference with a nominal

value of 2.25 V.

The AD1835 contains a flexible serial interface that allows for

glueless connection to a variety of DSP chips, AES/EBU receiv-

ers, and sample rate converters. The AD1835 can be configured

in left-justified, right-justified, I

modes. Control of the AD1835 is achieved by means of an

SPI compatible serial port. While the AD1835 can be operated

from a single 5 V supply, it also features a separate supply pin

for its digital interface that allows the device to be interfaced to

other devices using 3.3 V power supplies.

The AD1835 is available in a 52-lead MQFP package and is

specified for the industrial temperature range of –40ºC to +85ºC.

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

Tel: 781/329-4700

Fax: 781/326-8703

APPLICATIONS

DVD Video and Audio Players

Home Theater Systems

Automotive Audio Systems

Audio/Visual Receivers

Digital Audio Effects Processors

VOLUME

AGND AGND

CIN

COUT

96 kHz, 24-Bit - Codec

CLOCK

MCLK

DIGITAL

FILTER

PD/RST M/S

DAC

REF

AVDD

S, or DSP compatible serial

AVDD

2 ADC, 8 DAC,

OUTLP1

OUTLN1

OUTRP1

OUTRN1

OUTLP2

OUTLN2

OUTRP2

OUTRN2

OUTLP3

OUTLN3

OUTRP3

OUTRN3

OUTLP4

OUTLN4

OUTRP4

OUTRN4

FILTD

FILTR

AD1835

www.analog.com

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AD1835ASZ Summary of contents

Page 1

FEATURES 5 V Stereo Audio System with 3.3 V Tolerant Digital Interface Supports kHz Sample Rates 192 kHz Sample Rate Available on One DAC Supports 16-/20-/24-Bit Word Lengths Multibit - Modulators with Perfect Differential Linearity Restoration for ...

Page 2

AD1835–SPECIFICATIONS TEST CONDITIONS Supply Voltages (AVDD, DVDD) 5.0 V Ambient Temperature 25°C 12.288 MHz (256 × f Input Clock ADC Input Signal 1.0078125 kHz, –1 dBFS (Full Scale) DAC Input Signal 1.0078125 kHz, 0 dBFS (Full Scale) Input Sample Rate ...

Page 3

Parameter ADC DECIMATION FILTER, 96 kHz* Pass Band Pass-Band Ripple Stop Band Stop-Band Attenuation Group Delay DAC INTERPOLATION FILTER, 48 kHz* Pass Band Pass-Band Ripple Stop Band Stop-Band Attenuation Group Delay DAC INTERPOLATION FILTER, 96 kHz* Pass Band Pass-Band Ripple ...

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AD1835ASZ Analog Devices Inc, AD1835ASZ Datasheet

AD1835ASZ

Specifications of AD1835ASZ

Related parts for AD1835ASZ

AD1835ASZ Summary of contents

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Page 3

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