Table of Contents
Advertisement
• Nonlinearity error
The error with respect to the ideal A/D conversion characteristics between zero voltage and
full-scale voltage. Does not include offset error, full-scale error, or quantization error.
• Absolute accuracy
The deviation between the digital value and the analog input value. Includes offset error, full-
scale error, quantization error, and nonlinearity error.
Figure 12.6 A/D Conversion Accuracy Definitions (1)
Figure 12.7 A/D Conversion Accuracy Definitions (2)
Digital output
Ideal A/D conversion
characteristic
111
110
101
100
011
010
Quantization error
001
000
1
2
3
4
8
8
8
8
Digital output
Ideal A/D conversion
characteristic
Actual A/D conversion
characteristic
Offset error
5
6
7
FS
8
8
8
Analog
input voltage
Full-scale error
Nonlinearity
error
FS
Analog
input voltage
Rev. 6.00, 08/04, page 399 of 628
Advertisement
Table of Contents
