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The RT5512B is a boosted class-D amplifier with V/I sensing. A built-in DC-DC step-up converter is used to provide efficient power for class-D amplifier with multi-level class-H operation. The digital audio interface supports I<sup>2</sup>S, left-justified, right-justified and TDM format for audio in with a data out used for chip information like voltage sense and current sense, which are able to be monitored via DATAO pin through proper register setting.
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  • D 类功率放大器
    ►输出功率：7W@12V 电压、8Ω 负载、THD+N < 1%
    ►模拟增益：0~23dB
    ►输出噪音：10μV@18dB 增益
    ►为消除输出噪音而加入了 DRE
    ►负载范围：3.2Ω~38Ω
  • Boost 转换器
    ►自适应式升压电路，最高输出 12.5V
    ►工作频率：2MHz
    ►精确的输入电流限制
    ►模拟部分：反馈 ADC，电流检测，斜率补偿
    ►数字部分：电压回路和终点预测
  • V/I 检测
  • 数字部分
    ►I2S 接口，支持左对齐、右对齐和 TDM 格式
    ►灵活的中断控制器
    ►削波控制预防电池低压时的的大电流
    ►音量控制
  • 符合 RoHS 规范，不含卤素
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