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ADS8381应用问题

Other Parts Discussed in Thread: ADS8381, THS4031, OPA300, OPA140

TI技术人员您好,我想使用ADS8381进行18位多通道的数据采集,查看ADS8381的技术手册中有关模拟输入部分时,没有关于芯片内输入保护的描述,现在想知道ADS8381是否具备输入过压保护功能和静电防护功能,如果不具备外围应如何进行防护。

电路描述:ADS8381前置放大器为THS4031,差分工作,供电+/-15V,衰减5倍,正常输入电压范围为+/-10V。悬空时有可能是+/-15V,当悬空时THS4031输出范围为(-0.952V)~(+5.048)。

万分感谢!