參數(shù)資料
型號： MB90F438L
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)： 48/58頁
文件大?。?/td> 629K
代理商： MB90F438L
MB90435 Series
48
A/D Converter Glossary
Resolution : Analog changes that are identifiable with the A/D converter
Linearity error : 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.
(Continued)
3FF
3FE
3FD
004
003
002
001
AVRL
AVRH
V
0.5 LSB
0.5 LSB
{1 LSB
×
(N
1) + 0.5 LSB}
Analog input
D
Total error
Actual conversion
Value
Actual conversion
characteristics
(measured value)
Theoretical
characteristics
[V]
AVRH
AVRL
1024
1 LSB
=
(Theoretical value)
V
OT
(Theoretical value)
=
AVRL
+
0.5 LSB [V]
V
FST
(Theoretical value)
=
AVRH
1.5 LSB [V]
Total error for digital output N
=
[LSB]
V
NT
{1 LSB
×
(N
1)
+
0.5 LSB}
1 LSB
V
NT
: Voltage at a transition of digital output from (N
1) to N
相關(guān)PDF資料
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