參數(shù)資料
型號: MB89F202P-SH
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 8-Bit Proprietary Microcontroller
中文描述: 8-BIT, FLASH, 12.5 MHz, MICROCONTROLLER, PDIP32
封裝: 1.778 MM PITCH, PLASTIC, DIP-32
文件頁數(shù): 32/44頁
文件大?。?/td> 427K
代理商: MB89F202P-SH
MB89202 Series
32
(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 2
10
=
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)
3FF
H
3FE
H
3FD
H
004
H
003
H
002
H
001
H
AV
SS
V
CC
V
OT
0.5 LSB
1 LSB
Theoretical I/O characteristics
Analog input
D
1.5 LSB
V
FST
3FF
H
3FE
H
3FD
H
004
H
003
H
002
H
001
H
AV
SS
V
CC
V
{1 LSB
×
N
+
0.5 LSB}
Actual conversion
value
Actual conversion
value
Theoretical value
Total error
Analog input
D
004
H
003
H
002
H
001
H
AV
SS
Actual conversion value
Theoretical
conversion
value
Actual conversion
value
V
OT
(Measured value)
Zero transition error
Analog input
D
3FF
H
3FE
H
3FD
H
3FC
H
V
CC
Theoretical value
Actual conversion value
V
FST
(Measured
value)
Actual conversion
value
Full-scale transition error
Analog input
D
1 LSB
=
V
FST
V
OT
1022
(V)
Total error of digital output N
=
V
NT
{1 LSB
×
N
+
0.5 LSB}
1 LSB
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