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STM32L431 bảng dữ liệu(PDF) 144 Page - STMicroelectronics

tên linh kiện STM32L431
Giải thích chi tiết về linh kiện  RTC with HW calendar, alarms and calibration
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32L431 bảng dữ liệu(HTML) 144 Page - STMicroelectronics

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Electrical characteristics
STM32L431xx
144/200
DocID028800 Rev 1
Figure 31. Typical connection diagram using the ADC
1. Refer to Table 64: 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 (refer to Table 59: I/O static characteristics for the value of the pad capacitance). A high
Cparasitic value will downgrade conversion accuracy. To remedy this, fADC should be reduced.
3. Refer to Table 59: I/O static characteristics for the values of Ilkg.
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 17: 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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