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PAM8905PZR PDF预览

PAM8905PZR

更新时间： 2024-01-06 16:08:24
品牌 Logo 应用领域
美台 - DIODES 放大器商用集成电路
页数 文件大小 规格书
9页 498K
描述
Audio Amplifier,

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中文翻译

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PAM8905PZR 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
Factory Lead Time：19 weeks风险等级：5.74
商用集成电路类型：AUDIO AMPLIFIERJESD-609代码：e1
峰值回流温度（摄氏度）：NOT SPECIFIED端子面层：Tin/Silver/Copper (Sn/Ag/Cu)
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

PAM8905PZR 数据手册

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A Product Line of  
Diodes Incorporated  
1.9W Class-D Audio Amplifier with Integrated  
Boost Converter and Battery Tracking AGC  
PAM8905  
Description  
Pin Assignments  
The PAM8905 is a high efficiency Class-D audio power amplifier with  
an integrated boost converter. It drives up to 1.9W (1% THD+N) into  
an 8Ω speaker. With 85% typical efficiency, the PAM8905 helps  
extend battery life when playing audio.  
1
3
2
A
PVDD  
BGND  
SW  
The built-in boost converter generates the voltage rail for the output  
stage. This provides a louder audio output than a stand-alone  
amplifier connected directly to the battery. It also maintains a  
consistent loudness, regardless of battery voltage.  
B
C
OUT+  
OUT-  
AGC  
EN  
VBAT  
IN+  
PGND  
AGND  
IN-  
D
The PAM8905 features battery tracking AGC function which adjusts  
the Class-D gain to limit battery current at lower battery voltage.  
(TOP VIEW)  
PAM8905 features DC input protection and all outputs are fully  
protected against output-to-output shorts. The PAM8905 is available  
in U-WLB1520-12 package.  
Features  
Applications  
Cell Phones  
PDA  
Built-In Battery Tracking Automatic Gain Control (AGC)  
High Efficiency Integrated Boost Converter Over 85%  
1.9W into an 8Ω Load from a 3.6V Supply  
Operates from 2.8V to 5.2V  
GPS  
Portable Electronics  
Speakers  
Efficient Class-D Prolongs Battery Life  
Minimized ON/OFF Pop Noise  
Superior Low Noise  
High PSRR  
DC Input Protection  
Auto-Recovery Short-Circuit Protection  
Thermal Shutdown  
Available in U-WLB1520-12 Package  
Typical Applications Circuit  
2.8V to 5.2V  
2.2uH  
VBAT  
10uF  
VBAT  
10uF~22uF  
SW PVDD  
AGND  
EN  
IN+  
OUT+  
Audio Input  
IN-  
OUT-  
AGC  
AGC  
AGND  
PGND  
1 of 9  
www.diodes.com  
May 2015  
© Diodes Incorporated  
PAM8905  
Document number: DS37026 Rev. 2 - 2  
1234567...9

中文翻译

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