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Chapter 11
A/D Converter
User’s Manual U16702EE3V2UD00
(5)
Full-scale error
This is the difference between the actually measured analog input voltage and its theoretical value
when the digital output changes from 1…110 to 0…111 (full scale 3/2 LSB).
Figure 11-22:
Full-Scale Error
(6)
Differential linearity error
Ideally, the width to output a specific code is 1 LSB. This error indicates the difference between the
actually measured value and its theoretical value when a specific code is output.
Figure 11-23:
Differential Linearity Error
Analog input (LSB)
Digital output (lower 3 bits)
111
REF0
-
3
0
REF0
-
2
REF0
-
1
100
011
010
000
Full-scale error
AV
REF0
AV
AV
AV
Ideal width of 1 LSB
Differential
linearity error
1......1
0......0
AV
REF0
Analog input
Digital output
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