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STM8L051F3 데이터시트(PDF) 83 Page - STMicroelectronics

부품명 STM8L051F3
상세설명  8-bit ultra-low-power MCU, 8-Kbyte Flash memory, 256-byte data EEPROM, RTC, timers, USART, I2C, SPI, ADC
PDF  96 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM8L051F3 데이터시트(HTML) 83 Page - STMicroelectronics

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DS9178 Rev 4
83/96
STM8L051F3
Electrical parameters
87
Figure 33. ADC1 accuracy characteristics
Figure 34. Typical connection diagram using the ADC
1. Refer to Table 47 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 (roughly 7 pF). A high Cparasitic value will downgrade conversion accuracy. To remedy
this, fADC should be reduced.
Figure 35. Maximum dynamic current consumption on VREF+ supply pin during ADC
conversion
ai17090f
STM8
IL± 50nA
12-bit
converter
Sample and hold ADC
converter
VAIN
RAIN
(1)
AINx
VDD
VT
0.6V
VT
0.6V
Cparasitic
(2)
RADC
CADC
(1)
MS46324V1
Sampling
(n cycles)
Conversion (12 cycles)
ADC clock
Iref+
700 μA
300 μA



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