stm32的adc输入电压范围
时间: 2023-08-29 18:05:02 浏览: 126
STM32的ADC输入电压范围取决于供电电压和参考电压。一般情况下,当MCU供电电压为3.3V时,ADC的输入电压范围为0~3.3V。这是因为在设计中,VREF-通常与地相连,VREF+与VDDA相连,而MCU供电电压即为ADC模块的参考电压。因此,当MCU供电电压为3.3V时,ADC的输入电压范围为0~3.3V。\[1\] \[2\] \[3\]
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