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RT9120M 是使用 I<sup>2</sup>S 输入接口的 D 类立体声音频功率放大器，具有以 2x20W 功率驱动 BTL 连接的 8Ω 扬声器的能力，驱动效率可高达 92%，无需使用散热器材辅助散热。它内置的防爆裂音功能，能减少所有情况下出现爆裂噪音的可能性 。其内置的保护电路能提供过热、过流、过压和欠压等保护，同时能提供错误状态报告服务。</br>RT9120M 的三线式接口能接受来自各种使用标准 I<sup>2</sup>S 接口的外部信号源，数据格式可以是左对齐、右对齐和 TMD 的，信号采样频率可从 8kHz-192kHz，支持 Master 模式和 Slave 模式，完全可程控的数据路由能力能将这些数据顺利送达扬声器驱动电路。</br>RT9120M 内含 DRC 和灵活的输入混响能力，其输出功率也有限制。
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<li class="mv5">工作电压范围：4.5V-26.4V</li><li class="mv5">兼容 1.8V 和 3.3V 输入/输出</li><li class="mv5">标准 I<sup>2</sup>S 数字音频接口，支持左对齐、右对齐和 TDM 数据格式</li><li class="mv5">20V 供电时可用 2x20W 功率驱动 8Ω BTL 负载</li><li class="mv5">12V 供电时可用 2x9W 功率驱动 8Ω BTL 负载</li><li class="mv5">信噪比高达 108dB</li><li class="mv5">1W 输出的 THD + N = 0.03%</li><li class="mv5">本底噪声：45μV</li><li class="mv5">以 2x10W 功率驱动 8&Omega；负载时，效率可达 92%</li><li class="mv5">信号采样率：8kHz-192kHz</li><li class="mv5">有防爆裂音功能</li><li class="mv5">灵活的输入混响</li><li class="mv5">DRC 滤波器参数可调，支持多种压缩比</li><li class="mv5">内建直流阻断滤波器</li><li class="mv5">内建热折返控制功能</li><li class="mv5">包含 UVLO、OVP、OCP、OTP 和 DCP 等保护功能</li><li class="mv5">无需使用滤波器</li><li class="mv5">VQFN-L 热性能强化封装</li><li class="mv5">符合 RoHS 规范，不含卤素</li>
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<li class="mv5">电视机</li><li class="mv5">显示器</li><li class="mv5">家庭音响</li><li class="mv5">娱乐设备</li><li class="mv5">电子音乐设备</li>
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