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STM32F031X4 Datasheet(PDF) 73 Page - STMicroelectronics

Part # STM32F031X4
Description  ARM®-based 32-bit MCU with up to 32 Kbyte Flash, 9 timers, ADC and communication interfaces, 2.0 - 3.6 V
PDF  106 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F031X4 Datasheet(HTML) 73 Page - STMicroelectronics

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STM32F031x4 STM32F031x6
Electrical characteristics
80
Figure 24. ADC accuracy characteristics
Figure 25. Typical connection diagram using the ADC
1. Refer to Table 50: ADC characteristics for the values of RAIN, RADC and CADC.
2. Cparasitic represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the
pad capacitance (roughly 7 pF). A high Cparasitic value will downgrade conversion accuracy. To remedy
this, fADC should be reduced.
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 12: Power supply
scheme. The 10 nF capacitor should be ceramic (good quality) and it should be placed as
close as possible to the chip.



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