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2008.12.17
APA0715 - 3W Mono Fully Differential Audio Power Amplifier
nbsp;nbsp;nbsp;nbsp; APA0715 全差動單聲道喇叭放大器,晶片本身為全差動Class AB架構。由於全差動的架構,使的APA0715擁有良好的PSRR與具有對RF雜訊干擾的免疫。內建的迴授電阻節省PCB的面積,外接的輸入電阻方便客戶自行設定放大器的增益值,Thermal-Pad的封裝(MSOP-8P,TQFN3x3-8)讓APA0715不需外接散熱片也可以有輸出高達3瓦的功率(VDD=5V, RL=3W)。快速的開機時間與小型的封裝,適合可攜式裝置應用,Pop與Click的噪音消除電路可消除啟動與關閉時的噪音,並具備短路及過熱保護,操作溫度範圍為-40℃到+85℃。
nbsp;nbsp;nbsp;nbsp; APA0715共有三種薄型封裝分別為MSOP-8、MSPO-8P與TQFN3x3-8,提供客戶多樣的選擇,具備 5微安的超低待機電流,可操作在2.4V到5.5V的供給電源下。
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