參數(shù)資料
型號(hào): MB89498PFV
廠商: FUJITSU LTD
元件分類(lèi): 微控制器/微處理器
英文描述: 8-bit Proprietary Microcontroller CMOS
中文描述: 8-BIT, MROM, 12.5 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁(yè)數(shù): 43/57頁(yè)
文件大小: 341K
代理商: MB89498PFV
MB89490 Series
43
(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)
0.5 LSB
1 LSB
AV
SS
1.5 LSB
3FF
H
3FE
H
3FD
H
004
H
003
H
002
H
001
H
AV
CC
AV
SS
V
NT
3FF
H
3FE
H
3FD
H
004
H
003
H
002
H
001
H
AV
CC
{1 LSB
×
N
+
V
OT
}
V
FST
V
OT
Analog input
Theoretical I/O characteristics
Ideal characteristics
Analog input
Actual conversion
characteristics
Total error
Actual conversion
characteristics
D
D
Total error
=
V
NT
{1 LSB
×
N
+
0.5 LSB}
1 LSB
1 LSB
=
V
FST
V
OT
1022
(V)
AV
SS
004
H
003
H
002
H
001
H
AV
CC
3FF
H
3FE
H
3FD
H
3FC
H
Analog input
Zero transition error
Theoretical characteristics
Analog input
Actual conversion
characteristics
Full-scale transition error
Actual conversion
characteristics
D
D
Actual conversion
characteristics
Actual conversion
characteristics
V
OT
(Actual measurement
value)
V
FST
(Actual
measurement
value)
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