參數(shù)資料
型號: MB89F202RAYPFV
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 12.5 MHz, MICROCONTROLLER, PDSO34
封裝: 6.10 X 11 MM, 1.45 MM HEIGHT, 0.65 MM PITCH, PLASTIC, SSOP-34
文件頁數(shù): 27/48頁
文件大小: 1266K
代理商: MB89F202RAYPFV
MB89202R Series
DS07-12562-3E
33
(2) 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 divided into 210
= 1024.
Linearity error (unit : LSB)
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 (unit : LSB)
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
(Continued)
3FFH
3FEH
3FDH
004H
003H
002H
001H
VSS
VCC
VOT
0.5 LSB
1 LSB
Theoretical I/O characteristics
Analog input
Digit
a
lo
u
tp
u
t
1.5 LSB
VFST
3FFH
3FEH
3FDH
004H
003H
002H
001H
VSS
VCC
VNT
{1 LSB
× N + 0.5 LSB}
Actual conversion
value
Actual conversion
value
Theoretical value
Total error
Analog input
Digit
a
lo
u
tp
u
t
004H
003H
002H
001H
VSS
VCC
Actual conversion value
Theoretical
conversion
value
Actual conversion
value
VOT
(Measured value)
Zero transition error
Analog input
Digital
output
3FFH
3FEH
3FDH
3FCH
VCC
VSS
Theoretical value
Actual conversion value
VFST
(Measured
value)
Actual conversion
value
Full-scale transition error
Analog input
Digital
output
1 LSB
=
VFST
VOT
1022
(V)
Total error of digital output N
=
VNT
{1 LSB × N + 0.5 LSB}
1 LSB
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