Datasheet > AD1888_05

AD1888_05

更新时间： 2024-11-10 04:03:39

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
32页	661K
描述
AC 97 SoundMAX Codec

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中文翻译

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数据手册

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AD1888_05 数据手册

AC ’97 SoundMAX® Codec

AD1888

FEATURES

ENHANCED FEATURES

AC ’97 2.3 compatible features

6 DAC channels for 5.1 surround

90 dB dynamic range

Selectable front and rear MIC inputs with preamp

Integrated PLL for system clocking

Crystal-free operation

20-bit PCM DACs

S/PDIF output

Integrated stereo headphone amplifiers

Phone, aux, and line-in

High quality CD input

Variable sample rate 7 kHz to 96 kHz

Jack sense (auto topology switching)

Software-controlled VREF_OUT for MIC bias

Software enabled outputs for jack sharing

Auto down-mix and channel spreading modes

Selectable MIC input

Mono output

External amplifier power-down control

Double rate audio (f_S= 96 kHz)

Power-management modes

48-lead LQFP and 48-lead LFCSP

FUNCTIONAL BLOCK DIAGRAM

XTAL_IN

AD1888

MIC1

MIC2

XTAL_OUT

PHONE_IN

PLL

CD_L

DIFF

AMP

16-BIT Σ-Δ

CD_R

ADC

SLOT

LOGIC

AUX_L

ID0

AUX_R

LINE_IN_L

LINE_IN_R

16-BIT Σ-Δ

ADC

ID1

RESET

SYNC

AC '97

CONTROL

REGISTERS

BIT_CLK

SDATA_OUT

SDATA_IN

MONO_OUT

DAC

SLOT

LOGIC

LINE_OUT_L

LINE_OUT_R

20-BIT Σ-Δ

DAC

SPDIF

SPDIF_OUT

EAPD

20-BIT Σ-Δ

DAC

EAPD

CENTER_OUT

LFE_OUT

20-BIT Σ-Δ

DAC

JS0

JS1

JACK

SENSE

LOGIC

20-BIT Σ-Δ

DAC

G = GAIN

A = ATTENUATION

M = MUTE

Z = HIGH-Z

VOLTAGE

REFERENCE

REF

SURR_L/

20-BIT Σ-Δ

HP_OUT_L

REFOUT

DAC

SURR_R/

HP_OUT_R

20-BIT Σ-Δ

DAC

Figure 1.

Rev. A

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 that may result from its use. Specifications subject to

change without notice. 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 owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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