參數(shù)資料
型號: MB89PV920
廠商: Fujitsu Limited
英文描述: 8-Bit Proprietary Microcontroller(8位專用微控制器)
中文描述: 8位微控制器專利(8位專用微控制器)
文件頁數(shù): 34/47頁
文件大小: 308K
代理商: MB89PV920
34
MB89920 Series
(1) 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 1111”
“11 1111 1110”) 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 difference between theoretical and actual conversion values, caused by the zero transition error, full-scale
transition error, linearity error, quantization error, and noise.
(Continued)
3FF
3FE
3FD
004
003
002
001
V
OT
0.5 LSB
AV
SS
1 LSB
1.5 LSB
V
FST
AVR
3FF
3FE
3FD
004
003
002
001
AV
SS
V
NT
AVR
{1 LSB
×
N + 0.5 LSB}
1 LSB =
V
FST
– V
OT
1022
(V)
V
NT
– {1 LSB
×
N + 0.5 LSB}
1 LSB
Theoreticall I/O characteristics
D
Analog input
D
Total error
Actual conversion
value
Actual conversion
value
Theoretical value
Analog input
Total error of digital output N
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