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FAQs 如何选择MAX30034保护电路中的RSEC?
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  • 使用AD936X Evaluation Software导出配置时,软件提示滤波器系数过多。

如何选择MAX30034保护电路中的RSEC?

MAX30034进入嵌位状态之前,电压应限制在10.3V(典型值)。所以,在MAX30034与ECG仪表放大器输入之间需要一个二级保护电阻(RSEC)。通常,RSEC在几百欧姆左右,除颤期间消耗很低的能量。例如,如果仪表放大器的供电电压为3V,则RSEC > (10.3V – 3.7V)/IMAX,其中IMAX是仪表放大器数据手册中限定的最大电流。

 

 

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