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AD1885 PDF预览

AD1885

更新时间: 2024-02-05 18:05:11
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
27页 292K
描述
AC’97 SoundMAX Codec

AD1885 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:5.81
其他特性:IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:S-PQFP-G48JESD-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):4.75 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 mm

AD1885 数据手册

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®
a
AC’97 SoundMAX Codec  
AD1885  
AC’97 2.1 FEATURES  
ENHANCED FEATURES  
Variable Sample Rate Audio  
Multiple Codec Configuration Options  
External Audio Power-Down Control  
Full Duplex Variable Sample Rates from 7040 Hz to  
48 kHz with 1 Hz Resolution  
Jack Sense Pins Provide Automatic Output Switching  
Software-Enabled VREFOUT Output 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  
AC’97 FEATURES  
AC’97 2.1-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  
PHAT™ Stereo 3D Stereo Enhancement  
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  
High Quality CD Input with Ground Sense  
Stereo Line-Level Outputs  
Mono Output for Speakerphone or Internal Speaker  
Power Management Support  
48-Terminal LQFP Package  
FUNCTIONAL BLOCK DIAGRAM  
ID0  
ID1  
JS0/EAPD  
JS1  
AD1885  
JACK SENSES  
AND EAPD CTRL  
CHIP SELECT  
V
V
REFOUT  
REF  
MIC1  
MIC2  
0dB/  
20dB  
LINE  
AUX  
CD  
16-BIT  
⌺⌬ A/D  
PGA  
PGA  
CONVERTER  
16-BIT  
⌺⌬ A/D  
CONVERTER  
RESET  
VIDEO  
PHONE_IN  
SYNC  
SAMPLE  
RATE  
MONO_OUT  
MMV  
BIT_CLK  
G
A
M
G
A
M
G
A
M
G
A
M
G
A
M
G
A
M
GENERATORS  
HV  
MV  
HP_OUT_L  
POP  
SDATA_OUT  
NC  
NC  
G
A
M
16-BIT  
⌺⌬ D/A  
CONVERTER  
PHAT  
LINE_OUT_L  
STEREO  
SDATA_IN  
16-BIT  
⌺⌬ D/A  
CONVERTER  
G
A
M
PHAT  
STEREO  
MV  
HV  
LINE_OUT_R  
HP_OUT_R  
POP  
G = GAIN  
A = ATTENUATE  
M = MUTE  
MV = MASTER VOLUME  
HV = HEADPHONE VOLUME  
A
M
OSCILLATOR  
PC_BEEP  
XTL_OUT XTL_IN  
SoundPort 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, nor for any infringements of patents or other rights of third parties  
which 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  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 2000  

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