STM8S003K3 Datasheet, PDF (84/100 Pages) STMicroelectronics – Value line, 16 MHz STM8S 8-bit MCU, 8 Kbytes Flash, 128 bytes

Electrical characteristics
STM8S003K3 STM8S003F3
Symbol Parameter
Conditions
Typ
Max⁽¹⁾ Unit
|E_G| Gain error⁽²⁾
f_ADC = 4 MHz
f_ADC = 2 MHz
1.5
2.5
1.3
3
|E_D| Differential linearity error⁽²⁾
f_ADC = 4 MHz
f_ADC = 2 MHz
2
3
0.7
1
|E_L|
Integral linearity error⁽²⁾
f_ADC = 4 MHz
f_ADC = 2 MHz
0.7
1.5
0.6
1.5
f_ADC = 4 MHz
0.8
2
(1) _{Data based on characterization results, not tested in production.}
(2) _{ADC accuracy vs. negative injection current: Injecting negative current on any of the}
analog input pins should be avoided as this significantly reduces the accuracy of the
conversion being performed on another analog input. It is recommended to add a Schottky
diode (pin to ground) to standard analog pins which may potentially inject negative current.
Any positive injection current within the limits specified for I_INJ(PIN) and ΣI_INJ(PIN) in I/O port
pin characteristics does not affect the ADC accuracy.
Figure 42: ADC accuracy characteristics
1. Example of an actual transfer curve.
2. The ideal transfer curve
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