CXAR41268是一个5W音频放大器，在D类和AB类输出之间有一个可供选择的选项，这使得CXAR41268非常适合应用效率EMI兼容。CXAR41268提供低THD+N、高信噪比，从而实现高质量的声音再现。采用新型无滤波器结构（D级模式）的全差分输出允许设备直接驱动扬声器，无需低通输出滤波器和直流阻塞电容器，从而节省系统成本和PCB面积。CXAR41268的效率高达90%，可以延长电池寿命，非常适合便携式应用。MD 8406通过短路保护和热保护完全防止故障
替代输出：D级或AB级
5W输出，10%THD，2Ω负载
D级模式5V电源
3W输出，10%THD，4Ω负载
5V电源
无过滤器，低静态电流，无
电磁干扰
全输出范围内的低THD+N
超低噪音
D级模式效率高达90%
打开/关闭时不弹出
全短路自动保护
恢复
热关机几个外部部件来节省
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[ CXAR41268 ]
目录
7.相关产品
产品概述 返回TOP
The CXAR41268 is a 5W audio amplifier with an alternative option between Class-D and Class-AB output which makes CXAR41268 very ideally for the applications efficiency-EMI compatible.CXAR41268 offers low THD+N, high SNR allowing it to achieve high-quality sound reproduction. The fully differential output with new fi lterless architecture(Class D mode) allows the device to drive the speaker directly,requiring no low-pass output filters and DC blocking capacitors, thus to save the system cost and PCB area The efficiency of the CXAR41268 is up to 90% It can extend the battery life, ideally for portable applications. The MD 8406 is fully protected against faults with short circuit protection and thermal protection.The CXAR41268 is available in SOP-16(EP)package.
产品特点 返回TOP
Alternative Output: Class-D or Class-AB
5W Output at 10% THD with a 2Ω Load and
5V Power Supply at Class D mode
3W Output at 10% THD with a 4Ω Load and
5V Power Supply
Filterless, Low Quiescent Current and No
EMI
Low THD+N at Fully Output Range
Superior Low Noise
Efficiency up to 90% with Class D Mode
No Pop At Turn-on/off
Fully Short Circuit Protection With Auto
Recovery
Thermal Shutdown Few External Components to Save the
Space and Cost SOP-16(EP) Package
应用范围 返回TOP
LCD TVs
Mutimedia Speakers
AM/FM System
DABs
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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| Class F | ||||
| 型号 | 操作电压（v） | 通道数 | 输出功率（w） | 封装 |
| CXAR41268 | 2.5~5.5 | 1 | 5 | SOP16 |
| CXAR41269 | 2.8~5.5 | 1 | 5 | SOP8 |
| CXAR41270 | 2.5~6.5 | 1 | 5.5 | SOP8 |
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