參數(shù)資料
型號(hào)： MB90234PFV-XXX
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, LQFP-100
文件頁數(shù)： 53/83頁
文件大?。?/td> 1566K
代理商： MB90234PFV-XXX
57
MB90230 Series
6. A/D Glossary
Resolution
Analog changes that are identifiable with the A/D converter.
When the number of bits is 10, analog voltage can be divided into 210 = 1024
Total error
Difference between actual and logical values. This error is caused by a zero transition error, full-scale transition
error, linearity error, differential linearity error, or by noise.
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 1111”
“11 1111 1110”) 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
Analog input
VFST
Linearity error
Digital output
11 1111 1111
11 1111 1110
00 0000 0010
00 0000 0001
00 0000 0000
VOT
VNT
V(N+1)T
(1LSB
× N + VOT)
1LSB
1022
Linearity error
1
VFST
VOT
VNT
(1LSB × N + VOT )
V( N+1)T
VNT
1LSB
(LSB)
Differential linearity error =
=
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