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| STM8S207XX Datasheet, PDF (84/103 Pages) STMicroelectronics – Performance line, 24 MHz STM8S 8-bit MCU, up to 128 KB Flash | |||
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Electrical characteristics
STM8S207xx, STM8S208xx
Figure 41. ADC accuracy characteristics
1023
1022
1021
7
6
5
4
3
2
1
1LSBIDEAL
=
V-----D-----D----A------â----V-----S----S-----A--
1024
(2)
ET
EG
(3)
(1)
EO
EL
ED
1 LSBIDEAL
0 1234567
VSSA
1021102210231024
VDDA
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.
Figure 42. Typical application with ADC
VAIN
RAIN
AINx
CAIN
VDD
VT
0.6V
VT
0.6V
STM8
IL
±1µA
10-bit A/D
conversion
CADC
84/103
Doc ID 14733 Rev 12
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