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STM32L475RG 데이터시트(PDF) 146 Page - STMicroelectronics

부품명 STM32L475RG
상세설명  Ultra-low-power ARM Cortex-M4 32-bit MCUFPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, USB OTG FS, analog, audio
PDF  193 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM32L475RG 데이터시트(HTML) 146 Page - STMicroelectronics

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Electrical characteristics
STM32L475xx
146/193
DocID027692 Rev 2
Figure 22. ADC accuracy characteristics
Figure 23. 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 10: 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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