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STM32F732IE Scheda tecnica(PDF) 156 Page - STMicroelectronics

Il numero della parte STM32F732IE
Spiegazioni elettronici  Arm® Cortex®-M7 32b MCUFPU, 462DMIPS, up to 512KB Flash 256164KB RAM, USB OTG HS/FS, 18 TIMs, 3 ADCs, 21 com IF
PDF  226 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F732IE Scheda tecnica(HTML) 156 Page - STMicroelectronics

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Electrical characteristics
STM32F732xx STM32F733xx
156/226
DS11854 Rev 6
Figure 46. ADC accuracy characteristics
1. See also Table 69.
2. Example of an actual transfer curve.
3. Ideal transfer curve.
4. End point correlation line.
5. 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.
Figure 47. Typical connection diagram using the ADC
1. Refer to Table 67 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 (roughly 5 pF). A high Cparasitic value downgrades conversion accuracy. To remedy this,
fADC should be reduced.
ai14395c
EO
EG
1L SBIDEAL
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
V REF+
4096
(or
depending on package)]
V DDA
4096
[1LSB IDEAL=
ai17534
STM32F
VDD
AINx
IL±1 μA
0.6 V
VT
RAIN(1)
Cparasitic
VAIN
0.6 V
VT
RADC(1)
CADC(1)
12-bit
converter
Sample and hold ADC
converter



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