STM32L452 ADC shifted

[IP.2]

STM32L452 ADC1 single-mode works with DMA1.

ADC results are higher than the actual Voltage by around 25%.

Any possible directions?

[TDK]

Ensure ADC is calibrated. Ensure VDDA and VREF+ voltages are stable and have sufficient capacitance.

[IP.2 · Accepted solution]

Problem found: The macro __LL_ADC_CALC_DATA_TO_VOLTAGE was missing.