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LV320AIC3101 输出 扫频信号 随频率衰减

Other Parts Discussed in Thread: TLV320AIC3101

  我在设计一款耳机类产品,用USB作为与单片机与PC的通讯,单片机通过I2C控制TLV320AIC3101,同时通过I2S完成与TLV320AIC3101的输入/输出数据交互。当前在USB输入扫频信号的测试过程中发现,TLV320AIC3101输出的模拟信号幅值会随频率的变大而减小,当前不知道是软件/硬件的问题,有没有人帮忙解决一下?