CXAR41165

CXAR41165是一款高效率,双声道全桥式驱动(BTL),具有耳机输出的D类音频放大器。在工作电压为5V时,CXAR41165每个通道可向4Ω负载连续输出2.8W的功率并具有10%的THD+N。CXAR41165其内部采用64阶音量控制电路,扬声器增益范围为-70dB 到 20dB,耳机增益范围为-80dB 到to 3.5dB。AGC可以检测出由于输入信号过大而引起的输出信号clip并自动抑制clip。此外,AGC可以适应由电池供电电压降低引起的的输出clip。新型无滤波架构的采用使得CXAR41165可以直接驱动扬声器,从而降低了系统功耗和PCB面积。CXAR41165提供短路保护和过温保护,以避免芯片的损毁
•工作电压:2.7V到5.5V
•独特的调制方式减少EMI干扰
•负载4Ω,工作电压5V,单一通道输出功率可达2.8W
•64步DC音量控制
•耳机输出功能
•自动增益控制(AGC)
•具有过温及短路保护机制
•集成对Clik和Pop噪声的抑制电路

CXAR41165高效率双声道全桥式驱动BTL耳机输出的D类音频放大器64步DC音量控制耳机输出功能自动增益控制AGC集成对Clik和Pop噪声的抑制电路通道可向4Ω负载连续输出2.8W的功率并具有10%的THD+N

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1.产品概述       2.产品特点     ySH嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)ySH嘉泰姆

5.产品封装       6.电路原理图  ySH嘉泰姆

7.相关产品ySH嘉泰姆

   产品概述 返回TOPySH嘉泰姆


      CXAR41165是一款高效率,双声道全桥式驱动(BTL),具有耳机输出的D类音频放大器。在工作电压为5V时,CXAR41165每个通道可向4Ω负载连续输出2.8W的功率并具有10%的THD+N。CXAR41165其内部采用64阶音量控制电路,扬声器增益范围为-70dB 到 20dB,耳机增益范围为-80dB 到to 3.5dB。AGC可以检测出由于输入信号过大而引起的输出信号clip并自动抑制clip。此外,AGC可以适应由电池供电电压降低引起的的输出clip。新型无滤波架构的采用使得CXAR41165可以直接驱动扬声器,从而降低了系统功耗和PCB面积。CXAR41165提供短路保护过温保护,以避免芯片的损毁。CXAR41165采用24-pin SOP封装和20-pin 4×4 TQFN封装。The CXAR41165 is a high efficiency, 2 channel bridged-tied load (BTL), class-D audio power amplifier with headphone output. Operating from a 5V power supply, CXAR41165 is capable of delivering 2.8W/channel of continuous output power to a 4Ω load with 10% THD+N. The CXAR41165 features an advanced 64-step DC volume control which offers a range of speaker gain from -70dB to 20dB and a range of HP gain from -80dB to 3.5dB. The AGC detects output signal clip due to the over level input signal and suppresses it automatically. Moreover the AGC can adapt the output clip caused by power supply voltage down with battery. The new filter-less architecture allows the device to drive the speaker directly, without low-pass output filters, which will save system cost and PCB area. The CXAR41165 also features short-circuit and thermal protection preventing the device from being damaged during a fault condition. The CXAR41165is available in 24-pin SOP and 20-pin 4×4 TQFN package.

   产品特点 返回TOPySH嘉泰姆


•工作电压:2.7V到5.5VySH嘉泰姆

•独特的调制方式减少EMI干扰ySH嘉泰姆

•负载4Ω,工作电压5V,单一通道输出功率可达2.8WySH嘉泰姆

•64步DC音量控制ySH嘉泰姆

•耳机输出功能ySH嘉泰姆

•自动增益控制(AGC)ySH嘉泰姆

•具有过温及短路保护机制ySH嘉泰姆

•集成对Clik和Pop噪声的抑制电路ySH嘉泰姆

•24-pin SOP封装和20-pin TQFN封装ySH嘉泰姆

•符合RoHS规范及Pb-Free,Halogen-FreeySH嘉泰姆

 Wide Supply Voltage: 2.7V to 5.5VySH嘉泰姆

 Unique Modulation Scheme Reduces EMI EmissionySH嘉泰姆

 2.8W/ch into an 4 Load From 5V SupplyySH嘉泰姆

 64-Step DC Volume ControlySH嘉泰姆

 Headphone Output FunctionySH嘉泰姆

 Auto Gain ControlySH嘉泰姆

 Thermal and Short-Circuit ProtectionySH嘉泰姆

 Integrated Click and Pop SuppressionySH嘉泰姆

 Available in SOP-24 and TQFN-20 PackagesySH嘉泰姆

 RoHS Compliant and 100% Lead(Pb)-FreeySH嘉泰姆

Halogen-FreeySH嘉泰姆

   应用范围 返回TOPySH嘉泰姆


•液晶设备/电视机ySH嘉泰姆

•一体机ySH嘉泰姆

•便携式音频播放器ySH嘉泰姆

•笔记本电脑 ySH嘉泰姆

LCD Monitors/TVs  ySH嘉泰姆

All-in-One PCs  ySH嘉泰姆

Portable Audio  ySH嘉泰姆

Notebook PCySH嘉泰姆

   技术规格书(产品PDF) 返回TOP ySH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!ySH嘉泰姆

 QQ截图20160419174301.jpgySH嘉泰姆

产品封装图 返回TOPySH嘉泰姆


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电路原理图 返回TOPySH嘉泰姆


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◀ 上一篇:CXAR41164单声道无破音输出瓦数可调高效率的2W D类音频功率放大器低噪声的PWM架构消除了输出端滤波器的需求独特的无破音功能通过检测输出的破音失真自动调整系统增益

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下一篇▶:CXAR41165 CXAR41165B高效率双声道全桥式驱动BTL有耳机输出的D类音频放大器通道可向4Ω负载连续输出2.8W的功率有10%的THD+N采用64阶音量控制电路扬声器增益范围为-70dB到20dB耳机增益为-80dB 到to 3.5dB