AD1819B datasheet(1/28 Pages) AD

部件名	AD1819B

功能描述	AC??7 SoundPort Codec

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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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.

a

AD1819B

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

Tel: 781/329-4700

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

Fax: 781/326-8703

AC’97 SoundPort® Codec

AC’97 FEATURES

Fully Compliant AC’97 Analog I/O Component

48-Terminal LQFP Package

Multibit

Converter Architecture for Improved

S/N Ratio >90 dB

16-Bit Stereo Full-Duplex Codec

Four Analog Line-Level Stereo Inputs for Connection

from LINE, CD, VIDEO, and AUX

Two Analog Line-Level Mono Inputs for Speakerphone

and PC BEEP

Mono MIC Input Switchable from Two External

Sources

High Quality CD Input with Ground Sense

Stereo Line Level Output

Mono Output for Speakerphone

Power Management Support

ENHANCED FEATURES

Support for Multiple Codec Communications

DSP 16-Bit Serial Port Format

Variable 7 kHz to 48 kHz Sampling Rate with 1 Hz

Resolution

Supports Modem Sample Rates and Filtering

Phat™ Stereo 3D Stereo Enhancement

VHDL and Verilog Models of Serial Port Available

SoundPort is a registered trademark of Analog Devices, Inc.

Phat is a trademark of Analog Devices, Inc.

FUNCTIONAL BLOCK DIAGRAM

G

A

M

G

A

M

G

A

M

SYNC

BIT_CLK

PHAT

STEREO

PHAT

STEREO

G

A

M

A

M

MV

0dB/

20dB

MV

AD1819B

MIC1

MIC2

AUX

CD

VIDEO

PC_BEEP

LINE_OUT_L

MONO_OUT

LINE_IN

PHONE_IN

LINE_OUT_R

MV

PGA

16-BIT

A/D

CONVERTER

G

A

M

SAMPLE

RATE

GENERATORS

G = GAIN

A = ATTENUATE

M = MUTE

MV = MASTER VOLUME

OSCILLATORS

XTALO

XTALI

CS1 CHAIN_IN

CHAIN_CLK

RESET

SDATA_IN

CS0

MASTER/SLAVE

SYNCHRONIZER

SDATA_OUT

G

A

M

16-BIT

A/D

CONVERTER

G

A

M

G

A

M

16-BIT

D/A

CONVERTER

16-BIT

D/A

CONVERTER

类似零件编号 - AD1819B

制造商	部件名	数据表	功能描述
Analog Devices	AD1819B	249Kb / 28P	AC97 SoundPort Codec REV. 0

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