參數(shù)資料
型號(hào): MB91F155A
廠商: Fujitsu Limited
英文描述: 32-bit Proprietary Microcontrollers
中文描述: 32位微控制器專(zhuān)有
文件頁(yè)數(shù): 98/105頁(yè)
文件大?。?/td> 989K
代理商: MB91F155A
MB91F155A/MB91155/MB91154
98
A
/
D Converter Glossary
Resolution
Linearity error
(Continued)
: Analog changes that are identifiable by the A/D converter.
: 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 one LSB
from the theoretical value.
Total error
: The difference between actual and theoretical conversion values including a
zero transition/full-scale transition/linearity error.
3FF
3FE
3FD
004
003
002
001
AV
SS
AVRH
Analog input
0.5 LSB'
{
1 LSB' ( N
1 )
+
0.5 LSB'
}
1.5 LSB'
Theoretical characteristics
Actual conversion
characteristics
V
NT
(Actual measurement)
Actual conversion
characteristics
Total error
D
Total error of digital output N
=
V
NT
{1 LSB’
×
(N
1)
+
0.5 LSB’}
1 LSB’
1 LSB’ (theoretical value)
=
AVRH
AV
SS
1024
[V]
V
OT
’ (theoretical value)
=
V
NT
: Voltage at which digital output changes from (N
+
1) to N.
AV
SS
+
0.5 LSB’
[V]
V
FST
’ (theoretical value)
=
AVRH
1.5 LSB’ [V]
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