Understanding the STM32F303RBT6 ADC and Common Accuracy Issues

The STM32F303RBT6, part of STMicroelectronics' STM32 family, features a 12-bit ADC with a sampling rate of up to 5.4 million samples per second, making it ideal for a range of precision analog-to-digital conversion applications. However, like many microcontrollers, achieving accurate and reliable ADC measurements can be tricky due to several factors. In this part, we will explore common ADC accuracy problems, the reasons behind them, and the foundational steps for identifying issues with the STM32F303RBT6's ADC system.