CXAU4134 是一款3W无滤波器D类放大器，具有高PSRR和差分输入，可消除噪声和RF校正。无滤波器架构不需要外部输出滤波器、更少的外部组件、更少的PCB面积和更低的系统成本，并简化了应用程序设计。具有短路保护和热关机功能。
•超低EMI，-20dB，优于300MHz时的FCC B级
•效率高达92%@1W，带8Ω扬声器
关闭电流<1uA
•3W@10%THD输出，5V电源下4Ω负载
要求很少的外部组件
电源电压2.5V至5.5V
短路保护、热关机、UVLO
提供节省空间的包装：1.45mmΧ1.45mm WCSP9
无铅包装
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[ CXAU4134 ]"
目录
7.相关产品
产品概述
CXAU4134 is a 3W mono filterless class-D amplifier with high PSRR and differential input that eliminate noise and RF rectification. The filterless architecture requires no external output filter, fewer external components, less PCB area and lower system costs, and simplifies application design. It features short circuit protection and thermal shutdown.
产品特点
Ultra Low EMI, -20dB Better Than FCC Class-B@ 300MHz
High Efficiency up to 92% @1W with an 8Ω Speaker
Shutdown Current<1uA
3W@10%THD Output with a 4Ω Load at 5V Supply
Demanding few external components
Supply voltage from 2.5V to 5.5V
Short circuit protection、Thermal shutdown、UVLO
Available in Space Saving Packages: 1.45mmΧ1.45mm WCSP9
Pb-Free Package
应用范围
Cellular Phones/Smart Phones MP4/MP3
MP4/MP3 GPS
Digital Photo Frame
Electronic Dictionary
Portable Game Machines
技术规格书（产品PDF)
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产品封装图
电路原理图
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Audio AMPLIFIER (音频功放) |
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Part Number |
MODE |
Operation Voltage |
Shutdown Current |
PSRR |
THD+N |
Power |
Package |
|
(1KHZ) |
(f=1KHz) |
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|
Class-D |
2.8-5.5V |
0.5uA |
62dB |
0.30% |
3W |
CSP9 |
|
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Class-AB/D |
2.8-5.5V |
0.5uA |
62dB |
0.10% |
5W |
SOP8-P |
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