adav803ast-reel7 Analog Devices, Inc., adav803ast-reel7 Datasheet

adav803ast-reel7

Manufacturer Part Number

adav803ast-reel7

Description

Audio Codec For Recordable Dvd

Manufacturer

Analog Devices, Inc.

Datasheet

1.ADAV803AST-REEL7.pdf (60 pages)

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FEATURES

Stereo analog-to-digital converter (ADC)

Stereo digital-to-analog converter (DAC)

Asynchronous operation of ADC and DAC

Stereo sample rate converter (SRC)

Digital interfaces

S/PDIF (IEC 60958) input and output

PLL-based audio MCLK generators

Generates required DVDR system MCLKs

Device control via I

64-lead LQFP package

GENERAL DESCRIPTION

The ADAV803 is a stereo audio codec intended for applications

such as DVD or CD recorders that require high performance

and flexible, cost-effective playback and record functionality.

The ADAV803 features Analog Devices, Inc. proprietary, high

performance converter cores to provide record (ADC),

playback (DAC), and format conversion (SRC) on a single chip.

The ADAV803 record channel features variable input gain to

allow for adjustment of recorded input levels and automatic

level control, followed by a high performance stereo ADC

whose digital output is sent to the record interface. The record

channel also features level detectors that can be used in

feedback loops to adjust input levels for optimum recording.

The playback channel features a high performance stereo DAC

with independent digital volume control.

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. Specifications subject to change without notice. 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.

Supports 48 kHz/96 kHz sample rates

102 dB dynamic range

Single-ended input

Automatic level control

Supports 32 kHz/44.1 kHz/48 kHz/96 kHz/192 kHz

101 dB dynamic range

Single-ended output

Input/output range: 8 kHz to 192 kHz

140 dB dynamic range

Record

Playback

Auxiliary record

Auxiliary playback

Digital interface receiver (DIR)

Digital interface transmitter (DIT)

sample rates

C-compatible serial port

Audio Codec for Recordable DVD

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

Tel: 781.329.4700

Fax: 781.461.3113

APPLICATIONS

DVD-recordable

All formats

CD-R/W

The sample rate converter (SRC) provides high performance

sample rate conversion to allow inputs and outputs that require

different sample rates to be matched. The SRC input can be

selected from playback, auxiliary, DIR, or ADC (record). The

SRC output can be applied to the playback DAC, both main and

auxiliary record channels, and a DIT. Operation of the ADAV803

is controlled via an I

allows the programming of individual control register settings.

The ADAV803 operates from a single analog 3.3 V power

supply and a digital power supply of 3.3 V with an optional

digital interface range of 3.0 V to 3.6 V.

The part is housed in a 64-lead LQFP package and is character-

ized for operation over the commercial temperature range of

−40°C to +85°C.

VOUTR

VOUTL

VREF

FILTD

VINR

VINL

ADAV803

ANALOG-TO-DIGITAL

DIGITAL-TO-ANALOG

REFERENCE

FUNCTIONAL BLOCK DIAGRAM

CONVERTER

SRC

DATA INPUT

PLAYBACK

C®-compatible serial interface, which

PLL

SWITCHING MATRIX

INPUT/OUTPUT

Figure 1.

(DATA PATH)

AUX DATA

DIGITAL

INPUT

DIR

REGISTERS

CONTROL

AUX DATA

RECORD

OUTPUT

ADAV803

DATA

DIT

www.analog.com

OLRCLK

OBCLK

OSDATA

OAUXLRCLK

OAUXBCLK

OAUXSDATA

DITOUT

ZEROL/INT

ZEROR

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