Section 18 A/D Converter
Digital output
Ideal A/D conversion
characteristic
111
110
101
100
011
010
001
Quantization error
000
1
2
8
3
8
4
8
5
8
6
8
7
8
FS
8
Analog
input voltage
Figure 18.4 A/D Conversion Accuracy Definitions (1)
Full-scale error
Digital output
Ideal A/D conversion
characteristic
Nonlinearity
error
Actual A/D conversion
characteristic
FS
Analog
input voltage
Offset error
Figure 18.5 A/D Conversion Accuracy Definitions (2)
Rev. 3.00 Sep. 10, 2007 Page 377 of 528
REJ09B0216-0300