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RT8980 是 USB-C 型接口音频信号切换开关,可支持移动设备实现与头戴式模拟音频装置的连接。</br>RT8980 为 USB-C 型端口提供了 USB 2.0 数据信号(DP,DN)、SBU 信号、模拟音频左右声道和麦克风信号之间的切换通道,同时对 DP/DN 端子和 SBU 端子提供了过压保护功能。
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<div class="spec-list"><ul class="lv1"><li>电源电压范围:2.7V~5.5V </li><li>各端子最高耐压:SBU1/2 及 GSBU1/2 为 24V;DPR/DPL 为 20V </li><li>高速 USB 信号开关导通阻抗:3Ω </li><li>音频信号开关导通阻抗:1Ω </li><li>负压轨电压范围:-3V~3V </li><li>THD + N = -110dB(1V<sub>RMS</sub>, f = 20Hz ~ 20kHz, 32Ω 负载) </li><li>支持 OMTP 和 CTIA 标准的引脚布置 </li><li>支持音频检测的地回路切换 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>移动电话 </li><li>平板电脑 </li><li>笔记本电脑和台式电脑 </li><li>使用 USB-C 型接口的媒体播放器 </li></ul></div>
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