參數(shù)資料
型號(hào): MB90F372
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 130/140頁
文件大?。?/td> 650K
代理商: MB90F372
MB90370/375 Series
130
6.
Resolution :
Linearity error :
A/D Converter Glossary
(Continued)
Analog changes that are identifiable with 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 1 LSB from the
theoretical value.
Total error :
The total error is defined as a difference between the actual value and the theoretical
value, which includes zero-transition error/full-scale transition error and linearity error.
3FF
3FE
3FD
004
003
002
001
AVRL
AVRH
V
(Measured value)
0.5 LSB
0.5 LSB
{1 LSB
×
(N
1)
+
0.5 LSB}
Actual conversion
value
Actual conversion
value
Theoretical
characteristics
Analog input
Total error
Total error for digital output N
=
V
NT
{1 LSB
×
(N
1)
+
0.5 LSB}
1 LSB
AVR
AVss
1024
[LSB]
1 LSB
=
(Theoretical value)
[V]
V
OT
(Theoretical value)
=
AVss
+
0.5 LSB [V]
V
FST
(Theoretical value)
=
AVR
1.5 LSB [V]
V
NT
: Voltage at a transition of digital output from (N - 1) to N
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