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RT9120S 是具有 2x30W 8Ω BTL 连接扬声器驱动能力的立体声音频功率放大器，它采用 I<sup>2</sup>S 输入接口，转换效率高，2x10W 输出效率可达 94%，无需使用散热器。</br>它内建防爆裂音功能，能在各种使用条件下避免扬声器出现爆裂声。它也同时具备过热保护、过流保护、过压保护、欠压保护和错误上报功能。</br>RT9120S 使用的 I<sup>2</sup>S 标准接口采用 3 线连接，支持左对齐、右对齐和 TDM 格式数据，输入信号的采样率范围为 8kHz-192kHz。</br>RT9120S 内含 DRC 功能，支持灵活的输入混响和功率削顶。
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<li class="mv5"> 输入电压范围：4.5V-26.4V</li><li class="mv5"> 支持 1.8V、3.3V 输入、输出接口</li><li class="mv5"> 可设置 4 个独立地址</li><li class="mv5"> 1.0 模式输出功率：1x53W (4Ω, 22V, THD + N = 1%)</li><li class="mv5"> 2.0 模式输出功率：2x30W (8Ω, 24V, THD + N = 1%)</li><li class="mv5"> 信噪比最高达 113dB</li><li class="mv5"> 1W 输出时， THD + N = 0.03%</li><li class="mv5"> 基底噪声：35μV</li><li class="mv5"> 8Ω 负载、2x10W 输出效率高达 94%</li><li class="mv5"> R<sub>DS(ON)</sub> = 90mΩ</li><li class="mv5"> PWM 工作频率最高达 1.536MHz</li><li class="mv5"> 信号采样率：8kHz-192kHz</li><li class="mv5"> 支持多通道 TDM 格式数据</li><li class="mv5"> 内建防爆裂音功能</li><li class="mv5"> DRC 滤波器参数可调</li><li class="mv5"> 内建直流阻断滤波器</li><li class="mv5"> 内建热折返功能</li><li class="mv5"> 欠压闭锁保护、过压保护、过流保护、过热保护和直流保护</li><li class="mv5"> 无需使用电感</li><li class="mv5"> VQFN-32L 热强化封装</li><li class="mv5"> 符合 RoHS 规范，不含卤素</li>
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<li class="mv5"> 液晶电视</li><li class="mv5"> 显示器</li><li class="mv5"> 家用音响</li><li class="mv5"> 娱乐设备</li><li class="mv5"> 电子音乐设备</li>
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