ST7FL15F1MAE STMICROELECTRONICS [STMicroelectronics], ST7FL15F1MAE Datasheet - Page 123
ST7FL15F1MAE
Manufacturer Part Number
ST7FL15F1MAE
Description
8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST7FL15F1MAE.pdf
(138 pages)
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10-BIT ADC CHARACTERISTICS (cont’d)
Table 21. ADC Accuracy with 3V < V
Table 22. ADC Accuracy with 4.5V < V
Notes:
1. Data based on characterization results over the whole temperature range, monitored in production.
2. ADC accuracy vs negative injection current: Injecting negative current on any of the analog input pins may reduce the
accuracy of the conversion being performed on another analog input.
The effect of negative injection current on robust pins is specified in
Any positive injection current within the limits specified for I
affect the ADC accuracy.
3. Data based on characterization results, monitored in production to guarantee 99.73% within ± max value from -40°C
to +125°C (± 3σ distribution limits).
Figure 100. ADC Accuracy Characteristics
|E
|E
|E
|E
|E
|E
|E
|E
|E
|E
Symbol
Symbol
1023
1022
1021
T
O
G
D
L
T
O
G
D
L
|
|
|
|
|
|
|
|
|
|
7
6
5
4
3
2
1
0
V
SS
Digital Result ADCDR
Total unadjusted error
Offset error
Gain error
Differential linearity error
Integral linearity error
1LSB
1
Total unadjusted error
Offset error
Gain error
Differential linearity error
Integral linearity error
E
O
2
IDEAL
3
Parameter
Parameter
=
V
------------------------------- -
4
DD
1024
–
5
1 LSB
V
SS
E
6
T
IDEAL
E
7
L
(2)
DD
DD
< 3.6V
< 5.5V
E
f
f
CPU
CPU
D
1021 1022 1023 1024
=
(3)
=
8 MHz, f
4 MHz, f
INJ(PIN)
(1)
E
ADC
ADC
Conditions
Conditions
G
and ΣI
section 13.11 on page 122
V
=
=
DD
4 MHz
2 MHz
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
E
between the actual and the ideal transfer curves.
E
al transition and the first ideal one.
E
transition and the last actual one.
E
tion between actual steps and the ideal one.
E
between any actual transition and the end point
correlation line.
INJ(PIN)
T
O
G
D
L
= Total Unadjusted Error: maximum deviation
= Integral Linearity Error: maximum deviation
= Differential Linearity Error: maximum devia-
= Offset Error: deviation between the first actu-
= Gain Error: deviation between the last ideal
1)2)
1)2)
V
in
(LSB
in
section 13.8 on page 113
IDEAL
)
Typ
0.25
Typ
1.5
2.8
0.6
2.9
2.6
ST7L15, ST7L19
4
3
1
Max
Max
5.7
1.2
2.3
5.6
5.3
6
5
4
3
3)
3)
does not
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Unit
Unit
LSB
LSB
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