如提所述,单电源供电的输出结果是检测不到负压吗?有些搞蒙了
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卡卡,您好:
单电源供电不仅是检测不到负压,很低的正压也检测不到;
单电源和双电源供电的不同,是由输入信号的共模电压要求决定的,即ADS1298数据手册的第32页,9.3.1.5.1 Input Common-Mode Range
您可以看下ADS1220数据手册的 8.3.2 Low-Noise PGA,讲的更清楚。
如果还有问题,欢迎您再来提问。
TI有ESD保护的二极管或者TVS,您具体用在什么输入端的应用上?
http://www.ti.com/interface/circuit-protection/esd-protection-and-tvs-surge-diodes/products.html#