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STM32L152C6 датащи(PDF) 93 Page - STMicroelectronics

номер детали STM32L152C6
подробное описание детали  Ultra-low-power 32-bit MCU ARM-based Cortex-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC
PDF  121 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L152C6 датащи(HTML) 93 Page - STMicroelectronics

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STM32L151x6/8/B, STM32L152x6/8/B
Electrical characteristics
Doc ID 17659 Rev 8
93/121
Figure 25.
ADC accuracy characteristics
Figure 26.
Typical connection diagram using the ADC
1.
Refer to Table 56: RAIN max for fADC = 16 MHz for the value of RAIN and Table 54: ADC characteristics for
the value of 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.
EO
EG
1LSBIDEAL
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
ET=Total Unadjusted Error: maximum deviation
between the actual and the ideal transfer curves.
EO=Offset Error: deviation between the first actual
transition and the first ideal one.
EG=Gain Error: deviation between the last ideal
transition and the last actual one.
ED=Differential Linearity Error: maximum deviation
between actual steps and the ideal one.
EL=Integral Linearity Error: maximum deviation
between any actual transition and the end point
correlation line.
4095
4094
4093
5
4
3
2
1
0
7
6
1
2
3
456
7
4093 4094 4095 4096
(1)
(2)
ET
ED
EL
(3)
VDDA
VSSA
ai14395b
VREF+
4096
(or
depending on package)]
VDDA
4096
[1LSBIDEAL =
ai17856c
STM32L15xxx
VDD
AINx
IL± 50 nA
0.6 V
VT
RAIN(1)
C parasitic
VAIN
0.6 V
VT
12-bit
converter
CADC(1)
Sample and hold ADC
converter



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