參數(shù)資料
型號： MB89923PF
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
封裝： 20 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù)： 28/44頁
文件大?。?/td> 1091K
代理商： MB89923PF
MB89920 Series
34
DS07-12526-2E
6. 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
VOT
0.5 LSB
AVSS
1 LSB
1.5 LSB
VFST
AVR
3FF
3FE
3FD
004
003
002
001
AVSS
VNT
AVR
{1 LSB
× N + 0.5 LSB}
1 LSB =
VFST
VOT
1022
(V)
VNT
{1 LSB × N + 0.5 LSB}
1 LSB
Theoreticall I/O characteristics
Digital
output
Analog input
Digital
output
Total error
Actual conversion
value
Actual conversion
value
Theoretical value
Analog input
Total error of digital output N =
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