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TPA3221: 使用PBTL单声道配置是否能产生偏置电流

Part Number: TPA3221

你好,我使用TPA3221作为音圈驱动器,输人信号为DAC的正弦波信号,现检测到电流波形为过0轴的正弦电流,现希望能产生一定的偏置电流,请问能否实现