str912fa STMicroelectronics, str912fa Datasheet - Page 64

• Manufacturer Part Number: str912fa
• Description: Arm966e-s? 16/32-bit Flash Mcu With Ethernet, Usb, Can, Ac Motor Control, 4 Timers, Adc, Rtc, Dma
• Manufacturer: STMicroelectronics

Electrical characteristics
Figure 17. ADC conversion characteristics
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1023
1022
1021
7
6
5
4
3
2
1
0
AV
SS
Digital Result
1
E
1LSB
O
2
IDEAL
3
=
V
---------------------------------------- -
DDA
4
1024
–
V
SSA
5
1 LSB
E
6
T
IDEAL
E
7
L
(2)
E
D
1021 1022 1023 1024
(3)
(1)
E
G
AV
DD
(1) Example of an actual transfer curve
(2) The ideal transfer curve
(3) End point correlation line
E
deviation between the actual and the ide-
al transfer curves.
E
first actual transition and the first ideal
one.
E
last ideal transition and the last actual
one.
E
deviation between actual steps and the
ideal one.
E
deviation between any actual transition
and the end point correlation line.
T
O
G
D
L
=Total Unadjusted Error: maximum
=Integral Linearity Error: maximum
=Differential Linearity Error: maximum
=Offset Error: deviation between the
=Gain Error: deviation between the
V
in
(LSB
IDEAL
)
STR91xFA