AD1989B 查看數據表（PDF） - Analog Devices

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AD1989B

High Definition Audio SoundMAX Codec

Analog Devices 

GENERAL DESCRIPTION

The AD1989B audio codec and SoundMAX® software provides

superior HD audio quality that exceeds Vista Premium perfor-

mance. The AD1989B has ten 101 dB DACs and six 92 dB

ADCs, three stereo headphone ports, C/LFE swapping, digital

and analog PCBeep, and two independent S/PDIF outputs,

making the AD1989B the right choice for PCs where perfor-

mance and a rich feature set are primary considerations.

The jack retasking feature on this product supports various con-

figurations including 7.1 on 5 jacks, 5.1 on 3 jacks, and front

panel jack retasking.

The AD1989B is available in a 48-lead RoHS compliant lead

frame chip scale package in both reels and trays. See Ordering

Guide on Page 20.

SPECIAL SOFTWARE FEATURES

The AD1989B audio codec also supports the following addi-

tional software features:

• BlackHawk® and SoundMAX GUI contain all user audio

controls

• Voice input enhancement: Andrea Electronics best-in-class

noise reduction, beam forming, and echo cancellation

• Output enhancement: Sensaura/Sonic Focus, spread-

ing/downmixing, MP3 refinement, adaptive dynamics,

compressor/limiter, speaker/graphic EQ, Voice Clarity/

X-MatrixTM, AGC, UI tuning tools

• DTS®, SRS®, EAX® for gaming

ADDITIONAL INFORMATION

This data sheet provides a general overview of the AD1989B

SoundMAX codec’s architecture and functionality. Additional

information on the AD1989B is available in the AD1989B Pro-

grammers Reference Manual. Please contact your local Analog

Devices, Inc., sales representative for more information. For

information on SoundMAX codecs and software, see Analog

Devices website at http://www.analog.com/soundMAX.

AD1989B

JACK CONFIGURATION

The guidelines shown in Table 1 and Table 2 should be used

when selecting ports for particular functions.

Table 1. Typical Desktop Applications with Discreet Jacks

(Default Configuration)

Port

Port A

Port B

Port C

Port D

Port E

Port F

Port G

Port H

Function

Front Panel Headphone

Front Panel Microphone

Rear Line-In

Rear Line-Out

Rear Microphone

Rear Surround (5.1)

Rear C/LFE

Rear Surround (7.1)

Table 2. Typical Desktop Retasking to Support Input/5.1 on

3 Jacks

Port

Port A

Port B

Port C

Port D

Port E

Function

Front Panel Headphone

Front Panel Microphone

Rear Line-In/Surround Out

Rear Line-Out

Rear Microphone/C/LFE

Rev. 0 | Page 3 of 20 | August 2008

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