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1.产品概述       2.产品特点     MYv嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）MYv嘉泰姆

5.产品封装       6.电路原理图  MYv嘉泰姆

7.相关产品MYv嘉泰姆

   产品概述 返回TOPMYv嘉泰姆

The CXAR41280 is a stereo audio power amplifier with dc volume control in 16-pin SOP thermal pad package. It can deliver 1.9W continuous RMS power into 4Ω load per channel in Bridge-Tied Load (BTL) mode at 5V supply voltage. Its THD is smaller than 1% under the above operation condition. To simplify the audio system design in the notebook application, the CXAR41280 supports the Bridge-Tied Load (BTL) mode for driving the speakers, Single-End (SE) mode for driving the headphone. For the low current consumption applications, the shutdown mode is supported to disable the CXAR41280 when it is idle. The current consumption can be reduced below 1μA. The internal DC volume gain setting is ranged from +20dB to -80dB with 32 steps. It is easily to get the expected DC volume gain by applying the volume pin with a suitable dc voltage. The CXAR41280has embedded depop circuitry to suppress the power-on or power-off transition noises. It also supports the maximum output power clamping function to protect the speakers from burned-out. Thermal protection circuitry is implemented to avoid unintentionally damaging.

   产品特点 返回TOPMYv嘉泰姆

„ 32 Steps DC Volume Control from +20dB ~-80dB MYv嘉泰姆

„ Depop Circuitry Integrated MYv嘉泰姆

„ Output Power at 1% THD+N, VDD=5V MYv嘉泰姆

--1.9W/CH (typical) into a 4Ω Load MYv嘉泰姆

--1.25W/CH (typical) into a 8Ω Load MYv嘉泰姆

„ Output Power at 10% THD+N, VDD=5V MYv嘉泰姆

--2.4W/CH (typical) into a 4Ω Load MYv嘉泰姆

--1.55W/CH (typical) into a 8Ω Load MYv嘉泰姆

„ Bridge-Tied Load (BTL) and Single-Ended (SE) Modes Supported MYv嘉泰姆

„ Maximum Output Power Clamping Circuitry Integrated MYv嘉泰姆

„ Ultra Low Shutdown Current MYv嘉泰姆

„ Thermal Shutdown Protection MYv嘉泰姆

„ SOP-16 Package AvailableMYv嘉泰姆

   应用范围 返回TOPMYv嘉泰姆

Notebooks MYv嘉泰姆

„ LCD Monitor or TVMYv嘉泰姆

   技术规格书（产品PDF) 返回TOP MYv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！MYv嘉泰姆

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产品封装图 返回TOPMYv嘉泰姆

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电路原理图 返回TOPMYv嘉泰姆

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◀ Previous:2W Stereo Audio Amplifier with DC Volume Control and Selectable Gain CXAR41279 supports the Bridge-Tied Load (BTL) mode for driving the speakers, Single-End (SE) mode for driving the headphone

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Next▶:Its THD is smaller than 1% under the above operation condition. For the low current consumption applications, the SHUTDOWN mode is supported to disable the CXAR41281/CXAR41281L when it is idle