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TLV320AIC3254 读取AGC增益不准确

Other Parts Discussed in Thread: TLV320AIC3254

1、从Referrence Manual了解到AIC3254读取AGC增益在Page 0 / 寄存器 93,读取的值的范围是-12.0dB到 58.0dB。但是经我们测试,这个值和输入信号的计算值是有差的,手册中给出的dB值不准确。是否有更加详细或者更加准确的AGC增益表?

2、AGC 的增益值 是由哪些部分组成的 ? 该怎样理解AGC Gain的组成?