D类音频功放电路(Class D Audio Amplifier ) The CXAD4167 is a 2.6W high efficiency filter-free class-D audio power amplifier that requires only three external components

发布时间:2020-04-06 09:43:38 浏览次数:700 作者:嘉泰姆 来源:1
摘要:D类音频功放电路(Class D Audio Amplifier ) The CXAD4167 is a 2.6W high efficiency filter-free class-D audio power amplifier that requires only three external components

                          目录oCP嘉泰姆

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载(PDF文档)</span>oCP嘉泰姆

   5.产品封装      6.电路原理图</strong>     7.相关产品oCP嘉泰姆

一.产品概述oCP嘉泰姆


  The CXAD4167 is a 2.6W high efficiency filter-free class-D audio power oCP嘉泰姆

amplifier that requires only three external components. oCP嘉泰姆

   Features like 88% efficiency, −75dB PSRR, and improved RF-rectification oCP嘉泰姆

immunity make the CXAD4167 ideal for cellular handsets. In cellular handsets, oCP嘉泰姆

the earpiece, speaker phone, and melody ringer can each be driven by the CXAD4167.oCP嘉泰姆

二.产品特点oCP嘉泰姆


◆Efficiency With an 8-Ω Speaker: 88% at 400 mW 80% at 100 mW  oCP嘉泰姆

3.8mA Quiescent Current  oCP嘉泰姆

0.4μA Shutdown Current  oCP嘉泰姆

◆</span>Optimized PWM Output Stage Eliminates LC Output Filter  oCP嘉泰姆

◆</span>Internally Generated 250-kHz Switching Frequency Eliminates Capacitor oCP嘉泰姆

 and Resistor oCP嘉泰姆

◆</span>Improved PSRR (−75 dB) and Wide Supply Voltage (2.5 V to 5.5 V) Eliminates oCP嘉泰姆

 Need for a Voltage Regulator  oCP嘉泰姆

◆</span>Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor ◆</span>Improved CMRR Eliminates Two Input Coupling Capacitors  oCP嘉泰姆

◆</span>MSOP8, SOP8 packageoCP嘉泰姆

三.应用范围oCP嘉泰姆


◆</span>Mobile phone、PDA、MID  oCP嘉泰姆

◆</span>MP3/4、PMP  oCP嘉泰姆

◆</span>Portable electronic devices    oCP嘉泰姆

四.技术规格书(产品PDF)oCP嘉泰姆


需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持</span>!</span>oCP嘉泰姆

 QQ截图20160419174301.jpgoCP嘉泰姆

五.产品封装图</span>oCP嘉泰姆


  blob.pngoCP嘉泰姆

六.电路原理图</strong>oCP嘉泰姆


  blob.png oCP嘉泰姆

七.相关芯片选择指南oCP嘉泰姆


D类音频功放电路</span>(Class D   Audio Amplifier)
Part No.FeaturesOutputPSRRVDDPackageApplications
CXAD4167Mono Filter-Free Class D Audio Power Amplifier2.6 W75dB2.5~5.5VMSOP8 DFN8 SOP8(5) (6) (7) (8)
CXAD4168Mono Non-clip Class D Audio Power Amplifier3.0 W80dB2.5~5VCSP9(1) (3) (6) (8)
CXAD4169Stereo Class D Audio Power Amplifier10W x 252dB4~12VTSSOP28(7) (10)

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