參數(shù)資料
型號(hào): MB90495G
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller CMOS
中文描述: 16位微控制器專有的CMOS
文件頁(yè)數(shù): 80/92頁(yè)
文件大?。?/td> 450K
代理商: MB90495G
MB90495G Series
80
6.
A/D Converter Glossary
Resolution
Linearity error
(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
ideal value.
Total error
: The difference between the actual value and the theoretical value, which includes
zero-transition error/full-scale transition error, linearity error, and differential linear-
ity error.
3FF
3FE
3FD
004
003
002
001
AV
SS
AVR
V
(actual measurement)
1.5 LSB
0.5 LSB
{1 LSB
×
(N
1)
+
0.5 LSB}
Actual conversion
characteristics
Actual conversion
characteristics
Ideal characteristics
Analog input
Total error
Total error of digital output N
=
V
NT
{1 LSB
×
(N
1)
+
0.5 LSB}
AVR
AV
SS
1024
V
OT
(ideal value)
=
AV
SS
+
0.5 LSB [V]
V
FST
(ideal value)
=
AVR
1.5 LSB [V]
V
NT
: The voltage to transition digital output from N
1 to N.
1 LSB
[LSB]
1 LSB
=
(ideal value)
[V]
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