Ultra Low Power, Class-D Audio Amplifier

GENERAL DESCRIPTION The SSM6515 is a fully integrated, high efficiency, mono Class-D audio amplifier with digital input that is ideally suited for use in wireless headphones. The application circuit requires few external components and operates from a 1.8 V (PVDD) supply and a 1.2 V to 1.8 V

文件：2.0138 Mbytes 页数：40 Pages

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低功耗，D类音频放大器

SSM6515是一款全集成式数字输入、高效率、单声道D类音频放大器，非常适合无线耳机应用。该应用电路只需较少的外部器件，采用1.8 V (PVDD)电源和1.2 V至1.8 V (IOVDD)电源供电。使用1.8 V信号时，可以共用这些电源。它可以提供85 mW连续输出功率，驱动16 Ω负载，总谐波失真加噪声(THD + N)小于1%。\n\n SSM6515采用高效率、低噪声调制方案，无需外部电感/电容(LC)输出滤波器。该方案在非常低的输出功率下也能持续提供高效率，与传统的耳机放大器相比可延长电池寿命。该器件能够在55 mW功率下驱动16 Ω负载，工作效率高于90% • 无滤波器数字输入，具有已针对麦克风驱动器优化的 3 级 Σ-Δ 调频的单声道差分输出 D 类放大器\n\n• 1.8 V 单电源供电\n\n• 80 mW 输出功率，16 Ω 负载，THD + N 为 <0.1%\n\n• 有效值噪声为 2.57 μV，A 加权信噪比为 113 dB，动态范围\n\n• 30 mW 时 THD + N 为 0.003%，1 kHz 输出，32 Ω 负载\n\n• 采用 I2C 控制，具有多达 4 个引脚可选地址，或独立运行\n\n• 多种串行数据格式\n• 时分复用、I2S 或左对齐从属模式\n\n• PDM 输入工作频率范围为 2.822;

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亚德诺

Ultra Low Power, Class-D Audio Amplifier

GENERAL DESCRIPTION The SSM6515 is a fully integrated, high efficiency, mono Class-D audio amplifier with digital input that is ideally suited for use in wireless headphones. The application circuit requires few external components and operates from a 1.8 V (PVDD) supply and a 1.2 V to 1.8 V

文件：2.0138 Mbytes 页数：40 Pages

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亚德诺

Ultra Low Power, Class-D Audio Amplifier

GENERAL DESCRIPTION The SSM6515 is a fully integrated, high efficiency, mono Class-D audio amplifier with digital input that is ideally suited for use in wireless headphones. The application circuit requires few external components and operates from a 1.8 V (PVDD) supply and a 1.2 V to 1.8 V

文件：2.0138 Mbytes 页数：40 Pages

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