參數(shù)資料
型號: MB89F538L-101PF
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 12.5 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 1 MM PITCH, PLASTIC, QFP-64
文件頁數(shù): 43/65頁
文件大小: 1294K
代理商: MB89F538L-101PF
MB89530 Series
48
(4) A/D Converter Terms and Definitions
Resolution
The level of analog variation that can be distinguished by the A/D converter.
Linear error (unit : LSB)
The deviation between the value along a straight line connecting the zero transition point
(“00 0000 0000”
←→“00 0000 0001”) of a device and the full-scale transition point
(“11 1111 1110”
←→“11 1111 1111”) , compared with the actual conversion values obtained.
Differential linear error (Unit : LSB)
The deviation from the theoretical input voltage required to produce a change of 1 LSB in output code.
Total error (Unit : LSB)
The difference between theoretical conversion value and actual conversion value.
(Continued)
VFST
1.5 LSB
1 LSB
0.5 LSB
VOT
AVR
AVSS
3FFH
3FEH
3FDH
004H
003H
002H
001H
VNT
(1 LSB I N +
0.5 LSB)
AVR
AVSS
3FFH
3FEH
3FDH
004H
003H
002H
001H
Theoretical input/output
characteristics
Analog input
Digital
output
1 LSB
=
VFST
VOT
1022
(V)
Total error
Analog input
Digital
output
Total error in digital output N
=
VNT
{1 LSB × N + 0.5 LSB}
1 LSB
Actual conversion
characteristics
Actual
conversion
characteristics
Theoretical
characteristics
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