STM8S003K3 STM8S003F3
Electrical characteristics
Symbol
Parameter
Conditions
Typ
Max(1) Unit
fADC = 4 MHz
1.5
3
fADC = 6 MHz
fADC = 2 MHz
fADC = 4 MHz
fADC = 6 MHz
fADC = 2 MHz
fADC = 4 MHz
fADC = 6 MHz
fADC = 2 MHz
fADC = 4 MHz
fADC = 6 MHz
1.8
1.5
2.1
2.2
0.7
0.7
0.7
0.6
0.8
0.8
3
|EG|
Gain error(2)
3
3
4
|ED|
Differential linearity error(2)
1.5
1.5
1.5
1.5
2
|EL|
Integral linearity error(2)
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 IINJ(PIN) and ΣIINJ(PIN) in the I/O
port pin characteristics section does not affect the ADC accuracy.
Table 46: ADC accuracy with RAIN < 10 kΩ RAIN, VDD = 3.3 V
Symbol Parameter
Conditions
Typ
Max(1) Unit
|ET|
Total unadjusted error(2)
fADC = 2 MHz
1.6
3.5
fADC = 4 MHz
fADC = 2 MHz
1.9
1
4
LSB
|EO|
Offset error(2)
2.5
DocID018576 Rev 2
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STMICROELECTRONICS [ ST ]
