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Product Spec Banner
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RT9119是使用I<SUP>2</SUP>S介面输入的高效身历声音讯功率放大器，可输出2x20W功率驱动8Ω BTL扬声器，电源利用效率高达90%以上，无需使用散热器材。</br>它内建爆裂音抑制功能，可在各种条件下防止扬声器发出爆裂音。内建的保护电路可提供过热保护、过流保护、过压保护、直流和欠压保护等能力，各故障状态均有上报功能。</br>RT9119是I<SUP>2</SUP>S介面上的收端器件，可以接受外来的所有时钟信号。它支援master模式和slave模式，可接受8kHz至96kHz取样率的输入信号。它含有可程式控制的资料路由设计，可将资料导入内部扬声器驱动器使用。</br>RT9119使用三段式动态回应控制设计，具有灵活的多频段双二阶滤波器，可实现防削顶、功率限制和扬声器均衡等功能。
RT9119 电路图
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<div class="spec-list"><ul class="lv1"><li>工作电压范围：8V至26.4V </li><li>20V电源下可推8Ω BTL扬声器2x20W </li><li>12V电源下可推8Ω BTL扬声器2x9W </li><li>支援双声道身历声输出 </li><li>信号取样率8kHz至96kHz </li><li>内建防爆裂音功能 </li><li>36个可程式控制双二阶滤波器供扬声器均衡使用 </li><li>可程式控制动态回应控制滤波器系数，支援多种压缩比例 </li><li>内建直流阻断滤波器 </li><li>具备欠压锁定保护、过压保护、过流保护、过热保护和直流保护等功能 </li><li>无需外加滤波器 </li><li>热强化的VQFN-28L封装 </li><li>符合RoHS规范，不含卤素 </li></ul></div>
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RT9119 订购信息
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RT9119
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RT9119
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<div class="spec-list"><ul class="lv1"><li>液晶电视 </li><li>监视器 </li><li>家用音响 </li><li>娱乐设备 </li><li>电子音乐设备 </li></ul></div>
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