參數(shù)資料
型號： MB90F243HPFT-ES
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP80
封裝： PLASTIC, TQFP-80
文件頁數(shù)： 35/65頁
文件大?。?/td> 1354K
代理商： MB90F243HPFT-ES
MB90F243H
40
7. A/D Converter Glossary
Resolution
Analog changes that are identifiable with the A/D converter.
When the number of bits is 10, analog voltage can be divide into 210 .
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 (unit: LSB)
The difference between theoretical and actual conversion values caused by the zero transition error, full-scale
transition error, non-linearity error, differential linearity error, and noise
Digital output
11 1111 1111
11 1111 1110
00 0000 0001
00 0000 0000
00 0000 0010
VOT
VNT V(N + 1)T
VFST
(1 LSB
× N + VOT)
Linearity error
Analog input
1 LSB =
[V]
=
[LSB]
VFST – VOT
1022
VNT – (1 LSB
× N + VOT)
1 LSB
V(N + 1)T – VNT
1 LSB
VOT:
VFST:
Voltage for digital output transit from “000H” to “001H”
Voltage for digital output transit from “3FEH” to “3FFH”
Digital output N
differential linearity error
Digital output N
linearity error
=
– 1 LSB [LSB]
相關(guān)PDF資料
PDF描述
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