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THS4561: 24位ADC ADS1271的驱动器的差分输出结果如何转换?

Part Number: THS4561
Other Parts Discussed in Thread: ADS1271

使用ADS1271采集音频信号,麦克风传感器输出经电容AC耦合之后,输入到全差分放大器THS4561,之后转差分输出到ADS1271.

声音传感器的经AC 耦合的幅值在0~1V 范围内摆动,THS4561的差分输出Vdiff= Vout+ - (Vout-),那么Vdiff 怎么和音频的信号大小对应呢?

声音传感器电压波形: