大家好:
如题目所示,ADS5232我使用内部基准电压,在ADS5232的前端,我使用了普通运算放大器(非差分),与ADS5232的IN端相连,-IN与CM(ADS52321.5V输出)端相连,按照该种接法(如图2所示,图1为手册的典型电路),ADC的输入范围是多少?1Vvpp(1V~2V)还是2Vvpp(0.5V~2.5V)?我测试的结果是2Vvpp,但是手册中没有说明,谢谢!
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大家好:
如题目所示,ADS5232我使用内部基准电压,在ADS5232的前端,我使用了普通运算放大器(非差分),与ADS5232的IN端相连,-IN与CM(ADS52321.5V输出)端相连,按照该种接法(如图2所示,图1为手册的典型电路),ADC的输入范围是多少?1Vvpp(1V~2V)还是2Vvpp(0.5V~2.5V)?我测试的结果是2Vvpp,但是手册中没有说明,谢谢!