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The RT9114C is a high efficiency, I2S-input, stereo channel audio power amplifier delivering 2x20W into 8Ω BTL speaker loads. It can deliver over 90% power efficiency and eliminate the need for heat-sink.

The built-in anti-pop functions can reduce the speaker′s pop noise under all kind of scenarios. Built-in protection circuits can provide over-temperature, over-current, over-voltage, and under-voltage protections and report error status.

The RT9114C is an I2S device receiving all clocks from external sources with wide input sampling rate from 8kHz to 96kHz. A fully programmable data path routes these channels to the internal speaker drivers. Besides, the RT9114C also supports the master mode if an external MCLK is ready.

The RT9114C features three band DRC and flexible multi-band biquads for anti-clipping, power limiting, and speaker equalization.

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  • 工作电压范围：8V~26.4V
  • 20V 供电时，可驱动 BTL 连接的 2x20W 8Ω 扬声器
  • 12V 供电时，可驱动 BTL 连接的 2x9W 8Ω 扬声器
  • 支持立体声、PBTL、单声道输出
  • 自动检测并支持 8kHz~96kHz 采样率信号输入
  • 支持 I2S 接口主机和从机工作模式
  • 无 MCLK 的时钟自动检测
  • 内建防爆裂音功能
  • 支持将 SDO 用于回声消除
  • 24 个可程控滤波器
  • 可程控 DRC 滤波器参数，支持多种比率的动态压缩
  • 内建直流阻断滤波器
  • 具备欠压锁定保护、过压保护、过流保护、过热保护和直流输出保护功能
  • 支持无滤波器应用
  • 热性能强化的 VQFN-28L 封装
  • 符合 RoHS 规范，不含卤素
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液晶电视机 监视器 家用音响 娱乐设备
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