AD1886AJST

更新时间： 2024-01-13 23:26:23

品牌	Logo	应用领域
亚德诺 - ADI		解码器编解码器
页数	文件大小	规格书
28页	276K
描述
AC’97 SoundMAX Codec

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数据手册

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AD1886AJST 数据手册

AC’97 SoundMAX Codec

AD1886A

Stereo Line Level Outputs

AC’97 2.1 FEATURES

Mono Output for Speakerphone or Internal Speaker

Power Management Support

48-Terminal LQFP Package

Variable Sample Rate Audio

Multiple Codec Configuration Options

External Audio Power-Down Control

AC’97 FEATURES

ENHANCED FEATURES

AC’97 2.2 Compliant

Greater than 90 dB Dynamic Range

Stereo Headphone Amplifier

Multibit ⌺-⌬ Converter Architecture for Improved S/N

Ratio Greater than 90 dB

16-Bit Stereo Full-Duplex Codec

Four Analog Line-Level Stereo Inputs for:

LINE-IN, CD, VIDEO, and AUX

Two Analog Line-Level Mono Inputs for Speakerphone

and PC BEEP

Mono MIC Input w/Built-In 20 dB Preamp, Switchable

from Two External Sources

20-Bit SPDIF Output w/32 kHz, 44.1 kHz, and 48 kHz

Symbol Rates

Full Duplex Variable Sample Rates from 7040 Hz to

48 kHz with 1 Hz Resolution

Jack Sense Pins Provide Automatic Output Switching

Software-Enabled V_REFOUTOutput for Microphones and

External Power Amp

Split Power Supplies (3.3 V Digital/5 V Analog)

Mobile Low-Power Mixer Mode

Extended 6-Bit Master Volume Control

Extended 6-Bit Headphone Volume Control

Digital Audio Mixer Mode

High-Quality CD Input with Ground Sense

Phat™ Stereo 3D Stereo Enhancement

FUNCTIONAL BLOCK DIAGRAM

SPDIF

ID1

ID0

VREF

REFOUT

AD1886A

SPDIF

OUT

CHIP SELECT

JACK SENSE

MIC1

MIC2

0dB/

20dB

LINE

AUX

16-BIT

⌺-⌬ A/D

CONVERTER

PGA

16-BIT

⌺-⌬ A/D

CONVERTER

RESET

VIDEO

PHONE_IN

SYNC

SAMPLE

RATE

GENERATORS

MONO_OUT

BIT_CLK

⌺

HP_OUT_L

SDATA_OUT

16-BIT

⌺-⌬ D/A

CONVERTER

PHAT

STEREO

⌺

LINE_OUT_L

⌺

SDATA_IN

16-BIT

⌺-⌬ D/A

CONVERTER

PHAT

STEREO

⌺

LINE_OUT_R

⌺

G = GAIN

HP_OUT_R

PC_BEEP

A = ATTENUATE

M = MUTE

OSCILLATOR

XTAL_OUT

XTAL_IN

SoundMAX is a registered trademark and Phat is a trademark of Analog Devices, Inc.

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

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

under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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