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AD1981AJSTZ PDF预览

AD1981AJSTZ

更新时间: 2024-02-14 00:16:54
品牌 Logo 应用领域
亚德诺 - ADI 商用集成电路
页数 文件大小 规格书
24页 178K
描述
IC SPECIALTY CONSUMER CIRCUIT, PQFP48, PLASTIC, LQFP-48, Consumer IC:Other

AD1981AJSTZ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP, QFP48,.35SQ,20针数:48
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.61
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:S-PQFP-G48
JESD-609代码:e3长度:7 mm
湿度敏感等级:3功能数量:1
端子数量:48最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:LFQFP封装等效代码:QFP48,.35SQ,20
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):260电源:3.3,5 V
认证状态:Not Qualified座面最大高度:1.6 mm
子类别:Other Consumer ICs最大供电电压 (Vsup):5.25 V
最小供电电压 (Vsup):4.65 V表面贴装:YES
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:7 mmBase Number Matches:1

AD1981AJSTZ 数据手册

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®
a
AC ‘97 SoundMAX Codec  
AD1981A  
AC ’97 2.2-COMPLIANT CODEC  
High Quality CD Input with Ground Sense  
Mono Output for Speakerphone or Internal Speaker  
Power Management Support  
48-Lead LQFP Package  
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  
16-Bit Stereo Full-Duplex Codec  
20-Bit DAC Input  
ENHANCED FEATURES  
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 VREFOUT Output for Microphone  
Bias and External Power Amp  
Three Analog Line-Level Stereo Inputs for  
LINE-IN, AUX, and CD  
Mono Line-Level Phone Input  
Mono MIC Input with Built-In Programmable Preamp  
Split Power Supplies: 3.3 V Digital and 5 V Analog  
Multiple Codec Configuration Options  
FUNCTIONAL BLOCK DIAGRAM  
V
V
REFOUT  
XTL_OUT XTL_IN  
ID1  
ID0  
REF  
MIC PREAMP  
G
AD1981A  
MIC_IN  
AUX  
G
VREF  
XTAL OSCILLATOR  
LINK PORT/  
ID SELECT  
PHONE_IN  
PLL CLOCK  
GENERATOR  
A/D SAMPLE RATE  
GENERATOR  
CD_L  
CD_GND  
CD_R  
CD  
DIFF AMP  
16-BIT -A/D  
CONVERTER  
G
G
M
M
LINE_IN  
16-BIT -A/D  
CONVERTER  
D/A SAMPLE RATE  
GENERATOR  
16-BIT -A/D  
CONVERTER  
G
M
16-BIT -A/D  
CONVERTER  
G
M
M
20-BIT -D/A  
CONVERTER  
SPKR  
EQ  
GA  
HP_OUT_L  
M
M
HP  
A
A
20-BIT -D/A  
SPKR  
EQ  
GA  
M
CONVERTER  
GA  
M
GA  
M
GA  
M
LINE_OUT_L  
GA  
M
GA  
M
GA  
M
GA  
M
GA  
M
EQ COEFF STORAGE  
MONO_OUT  
M
A
AC ’97 CONTROL REGISTERS  
ANALOG  
MUTE  
CONTROL  
LOGIC  
M
M
M
LINE_OUT_R  
HP_OUT_R  
A
A
M
SPDIF  
SPDIF  
JACK SENSE  
EAPD  
EAPD  
HP  
JS0  
JS1  
KEY:  
G = GAIN  
A = ATTENUATE  
M = MUTE  
SoundMAX is a registered 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  
© Analog Devices, Inc., 2002  

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