Figure 23. Adc Accuracy Characteristics; Figure 24. Typical Connection Diagram Using The Adc - STMicroelectronics STM32F038C6 Manual

Electrical characteristics
1. Refer to
2. C
parasitic
pad capacitance (roughly 7 pF). A high C
this, f
ADC
General PCB design guidelines
Power supply decoupling should be performed as shown in
scheme. The 10 nF capacitor should be ceramic (good quality) and it should be placed as
close as possible to the chip.
72/102

Figure 23. ADC accuracy characteristics

Figure 24. Typical connection diagram using the ADC

Table 49: ADC characteristics
represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the
should be reduced.
DocID026079 Rev 3
for the values of R , R
AIN ADC
value will downgrade conversion accuracy. To remedy
parasitic
STM32F038x6
and C .
ADC
Figure 11: Power supply