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TLV320AIC3104-Q1: 采样范围

Part Number: TLV320AIC3104-Q1

TI,你好,我们使用aic3104进行采样,从datasheet中描述满量程为0.707Vrms,对应16位采样范围是从-32768到32767,但实际我们在测试时在0.6Vrms就基本上达到了-32768到32767,0.7Vrms就会超出范围,增益都是设置成了0dB,请帮忙看下这是哪里的问题,并且用满量程的-32768到32767的数据输出到DA也是在0.6Vrms,达不到0.707Vrms,增益都是设置的0,请帮忙给点意见看看是哪里的问题,谢谢。