參數(shù)資料
型號: MB89965CPFM
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP48
封裝: 0.80 MM PITCH, PLASTIC, QFP-48
文件頁數(shù): 32/48頁
文件大小: 550K
代理商: MB89965CPFM
MB89960 Series
38
6.
A/D Converter Glossary
Resolution
The change in analog voltage that can be recognized by the A/D converter.
Linearity error (unit : LSB)
The deviation between the actual conversion characteristics and the line linking the zero transition point (“00
0000 0000B
←→ “00 0000 0001B”) and the full scale transition point (“11 1111 1110B” ←→ “11 1111 1111B”) .
Differential linearity error (unit : LSB)
The variation from the ideal input voltage required to change the output code by 1 LSB.
Total error (unit : LSB)
The total error is the difference between the actual value and the theoretical value.
3FFH
3FEH
3FDH
004H
003H
002H
001H
AVSS
AVR
VOT
0.5 LSB
1 LSB
Theoretical I/O Characteristics
Analog Input
Digital
Output
1.5 LSB
VFST
1 LSB
=
(V)
VFST
VOT
1022
3FFH
3FEH
3FDH
004H
003H
002H
001H
AVSS
AVR
VNT
{1 LSB
× N + 0.5 LSB}
Actual conversion
characteristic
Actual conversion
characteristic
Theoretical characteristic
Total Error
Analog input
Digital
output
VNT
{1 LSB × N + 0.5 LSB}
1 LSB
Total error for digital output N
=
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