AD1819A Analog Devices, AD1819A Datasheet

AD1819A

Manufacturer Part Number

AD1819A

Description

ac '97 Soundport(r) Codec

Manufacturer

Analog Devices

Datasheet

1.AD1819A.pdf (28 pages)

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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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

SoundPort is a registered trademark of Analog Devices, Inc.

Phat is a trademark of Analog Devices, Inc.

LINE_OUT_R

LINE_OUT_L

MONO_OUT

PHONE_IN

PC_BEEP

AC '97 FEATURES

Fully Compliant AC ’97 Analog I/O Component

48-Terminal TQFP Package

Multibit

16-Bit Stereo Full-Duplex Codec

Four Analog Line-Level Stereo Inputs for Connection

Two Analog Line-Level Mono Inputs for Speakerphone

Mono MIC Input Switchable from Two External

High Quality CD Input with Ground Sense

Stereo Line Level Output

Mono Output for Speakerphone

Power Management Support

LINE_IN

VIDEO

S/N Ratio >90 dB

from LINE, CD, VIDEO and AUX

and PC BEEP

Sources

MIC1

MIC2

AUX

Converter Architecture for Improved

0dB/

20dB

AD1819A

STEREO

PHAT

FUNCTIONAL BLOCK DIAGRAM

G = GAIN

A = ATTENUATE

M = MUTE

MV = MASTER VOLUME

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

Tel: 781/329-4700

Fax: 781/326-8703

ENHANCED FEATURES

Support for Multiple Codec Communications

DSP 16-Bit Serial Port Format

Variable 7 kHz to 48 kHz Sampling Rate with 1 Hz

Supports Modem Sample Rates and Filtering

Phat™ Stereo 3D Stereo Enhancement

VHDL and Verilog Models of Serial Port Available

Resolution

AC ’97 SoundPort

PGA

World Wide Web Site: http://www.analog.com

CS0

XTALO

OSCILLATORS

GENERATORS

CONVERTER

SAMPLE

CS1 CHAIN_IN CHAIN_CLK

16-BIT

RATE

SYNCHRONIZER

MASTER/SLAVE

A/D

D/A

XTALI

AD1819A

Codec

BIT_CLK

RESET

SYNC

SDATA_OUT

SDATA_IN

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