Datasheet > AD1981BJSTZ-REEL2

AD1981BJSTZ-REEL2

更新时间： 2022-11-25 14:30:11

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	270K
描述
AC ’97 SoundMAX Codec

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AC ’97 SoundMAX Codec

AD1981B

FEATURES

Mono Output for Speakerphone or Internal Speaker

Power Management Support

AC ’97 2.3 COMPATIBLE FEATURES

S/PDIF Output, 20 Bits Data Format, Supporting

48 kHz and 44.1 kHz Sample Rates

Integrated Stereo Headphone Amplifier

Variable Sample Rate Audio

External Audio Power-Down Control

Greater than 90 dB Dynamic Range

Stereo Full-Duplex Codec

20-Bit PCM DAC

3 Analog Line-Level Stereo Inputs for

Line-In, AUX, and CD

Mono Line-Level Phone Input

Dual MIC Input with Built-In Programmable Preamp

High Quality CD Input with Ground Sense

48-Lead LQFP Package, Lead-Free Available

ENHANCED FEATURES

Stereo MIC Preamps Support

Built-In Digital Equalizer Function for Optimized

Speaker Sound

Full-Duplex Variable Sample Rates from 7040 Hz to

48 kHz with 1 Hz Resolution

Jack Sense Pins Provide Automatic Output Switching

Software Programmed V_REFOUTOutput for Biasing

Microphone and External Power Amp

Split Power Supplies: 3.3 V Digital and 5 V Analog

Multiple Codec Configuration Options

FUNCTIONAL BLOCK DIAGRAM

XTL_OUT XTL_IN SPDIF

REFOUT

REF

AD1981B

VOLTAGE

REFERENCE

MIC PREAMP

CODEC CORE

SPDIF

MIC1

MIC2

PHONE_IN

CD_L

PCM L/R

ADC RATE

PLL

ID0

16-BIT

⌺-⌬ ADC

DIFF AMP

CD_GND

CD_R

AUX_L

16-BIT

⌺-⌬ ADC

ID1

AUX_R

LINE_IN_L

LINE_IN_R

ADC

AND

RESET

SYNC

DAC

SLOT

LOGIC

16-BIT

⌺-⌬ ADC

16-BIT

⌺-⌬ ADC

BIT_CLK

SDATA_OUT

SDATA_IN

MONO_OUT

20-BIT

⌺-⌬ DAC

HP_OUT_L

LINE_OUT_L

LINE_OUT_R

HP_OUT_R

20-BIT

⌺-⌬ DAC

PCM FRONT

DAC RATE

G = GAIN

A = ATTENUATION

M = MUTE

Z = HIGH Z

AC '97

CONTROL

REGISTERS

ANALOG MIXING

CONTROL LOGIC

EAPD

JS0

JS1

EAPD

REV. B

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. Trademarks and

registered trademarks are the property of their respective companies.

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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AD1981BLJST-REEL	ADI	AC 97 SoundMAX Codec	获取价格
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AD1981BLJSTZ-REEL	ADI	AC 97 SoundMAX Codec	获取价格