參數(shù)資料
型號: MB90246A
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 75/100頁
文件大?。?/td> 1956K
代理商: MB90246A
75
MB90246A Series
6. A/D Converter Glossary
Resolution: Analog changes that are identifiable with the A/D converter
With 10 bits supported, an analog voltage can be divided into 2
10
parts.
Linearity error: The deviation of the straight line connecting the zero transition point (“00 0000 0000”
“00
0000 0001”) with the full-scale transition point (“11 1111 1110”
“11 1111 1111”) from actual
conversion characteristics
Differential linearity error: The deviation of input voltage needed to change the output code by 1 LSB from the
theoretical value
Total error: The total error is defined as a difference between the actual value and the theoretical value, which
includes zero-transition error/full-scale transition error, linearity error, differential linearity error and
error caused by noise.
11 1111 1111
11 1111 1110
00 0000 0010
00 0000 0001
00 0000 0000
V
OT
V
NT
V
(N + 1)T
V
FST
(1 LSB
×
N + V
OT
)
Linearity error
1 LSB =
=
[LSB]
=
– 1 LSB [LSB]
1022
V
FST
– V
OT
Linearity error
1 LSB
V
NT
– (1 LSB
×
N + V
OT
)
Differential linearity error
1 LSB
V
( N+1 )T
– V
NT
Digital output
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