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ADS125H01: ADS125H01电压基准源采用ADR4525ARZ(2.5V基准源),但是STATUS0寄存器显示VREF电压低,实测ADS125H01芯片1脚电压为2.5V,32脚为0V。

Part Number: ADS125H01

ADS125H01的STATUS0寄存器显示0X05(即REFALM),VREF降低到了0.4V以下,但是芯片外供的VREF为2.5V,且用示波器点芯片的1脚为2.5V,芯片的32脚接地。图片中的左图为写寄存器,有图为读到的寄存器数值。