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STM32G474CB 데이터시트(PDF) 154 Page - STMicroelectronics

부품명 STM32G474CB
상세설명  Arm® Cortex®-M4 32b MCUFPU, up to 512 KB Flash, 170 MHz / 213 DMIPS, 128 KB SRAM, rich analog, math accelerator, 184ps 12ch Hi-res timer
PDF  232 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM32G474CB 데이터시트(HTML) 154 Page - STMicroelectronics

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Electrical characteristics
STM32G474xB STM32G474xC STM32G474xE
154/232
DS12288 Rev 1
Figure 27. ADC accuracy characteristics
Figure 28. Typical connection diagram using the ADC
1. Refer to Table 69: ADC characteristics for the values of RAIN and CADC.
2. Cparasitic represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the
pad capacitance (refer to Table 57: I/O static characteristics for the value of the pad capacitance). A high
Cparasitic value downgrades conversion accuracy. To remedy this, fADC should be reduced.
3. Refer to Table 57: I/O static characteristics for the values of Ilkg.
General PCB design guidelines
Power supply decoupling must be performed as shown in Figure 15: Power supply scheme.
The decoupling capacitor on VDDA must be ceramic (good quality) and it must be placed as
close as possible to the chip.



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