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请教Ti 工程师 关于OPA1632做为差动式前级电路,在播放前奏比较安静音乐伴有噪声的原因;

Other Parts Discussed in Thread: OPA1632

 您好!

 如题,请教Ti 工程师 关于OPA1632做为差动式前级电路,在播放前奏比较安静音乐伴有噪声的原因;

 原理图前级接AKM DAC输出;有尝试DAC直接接至OP,无噪声问题;请教原因,谢谢!