CXAR41208

CXAR41208是用于便携式多媒体设备的音频点击弹出消除器。CXAR41208从1.7V到5V的电源工作,连接到现有系统放大器的输出,并在启动和关闭期间提供低阻抗接地路径。输入INL和INR接受从+VCC到-VCC的电压波动。上电和下电瞬态被分流到地面,以防止发出咔哒声。
CXAR41208具有两个低阻抗模拟开关,由打开和关闭开关的静音事件控制。静音事件包括VCC欠压和外部电源、nMUTE引脚的上电、下电和逻辑电平的高低变化。开关在正常工作期间打开,对输出信号没有影响。在放大器的启动和关闭过程中,可以激活CXAR41208,以使输出对地短路,并防止咔哒声从线路输出中拉出电流。
CXAR41208有绿色TDFN-2×2-8L、MSOP-8和WLCSP-1.57×0.80-8B包装。它在-40℃到+85℃的环境温度范围内工作。
•无失真,点击弹出消除
•1.5μA(典型)电源电流
•1.7V至5V单电源操作
•600kΩ在nMUTE引脚处拉低电阻

CXAR41208便携式多媒体设备的音频点击弹出消除器有两个低阻抗模拟开关由打开和关闭开关的静音事件控制

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1.产品概述       2.产品特点     mj2嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)mj2嘉泰姆

5.产品封装       6.电路原理图  mj2嘉泰姆

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The CXAR41208 is an audio Click-Pop eliminator for portable multimedia devices. Operating from a 1.7V to 5V power supply, the CXAR41208 connects to the output of the existing system amplifier and provides a low-impedance path to ground during startup and shutdown. The inputs INL and INR accept voltage swings from +VCC to -VCC. The power-up and power-down transients are shunted to ground to prevent Clicks-Pops from becoming audible.

The CXAR41208 features two low-impedance analog switches controlled by mute events that open and close the switches. The mute events include under-voltage of VCC and external power supply, power-up, power-down and high to low logical level change of nMUTE pin. The switches are open during normal operation and have no impact on the output signal. During startup and shutdown of the amplifier, the CXAR41208 can be activated to short the outputs to ground and prevent Clicks-Pops from pulling current through the line-outs.mj2嘉泰姆

The CXAR41208 is available in Green TDFN-2×2-8L, MSOP-8 and WLCSP-1.57×0.80-8B packages. It operates over an ambient temperature range of -40℃ to +85℃.mj2嘉泰姆

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• Distortion-Free, Click-Pop Eliminationmj2嘉泰姆

• 1.5μA (TYP) Supply Currentmj2嘉泰姆

• 1.7V to 5V Single Supply Operationmj2嘉泰姆

• 600kΩ Pull-Low Resistor at nMUTE Pinmj2嘉泰姆

• Available in Green TDFN-2×2-8L, MSOP-8 andmj2嘉泰姆

  WLCSP-1.57×0.80-8B Packagesmj2嘉泰姆

• -40℃ to +85℃ Operating Temperature Rangemj2嘉泰姆

   应用范围 返回TOPmj2嘉泰姆


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下一篇▶:CXAR41209通过-VCC到+VCC的宽范围正负音频信号失真非常低音频点击弹出消除器2.7V到12V电源运行音频信号通过快速切换时间高隔离度