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ADS1299: 两片ADS1299芯片以菊花链方式连接后,测量芯片的引脚电压,发现第二块芯片的VREFP引脚电压一直是0.17V,达不到4.5V;

Part Number: ADS1299


第一片芯片是可以正常工作的,测试信号也正常;第二片芯片出现异常,测试信号标不正常。

 不知道为什么会发生这种现象