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您好,
INA240的输出范围是多少?STM32的ADC的输入范围是多少?INA240的输出范围是否在ADC的输入范围内?如果不在的话,INA240的输出需要进行衰减以适应ADC的输入范围。
另外,即使INA240的输出范围在ADC的输入范围内,也存在风险,即INA240输出异常输出5V电压,若STM32的ADC的输入电压不能承受5V电压,那么STM32将被损坏,因此建议在ADC输入加ESD二极管进行保护,更多信息可以看下面视频:
https://edu.21ic.com/video/3690