參數(shù)資料
型號: MB96F389RWAPMC-GSE2
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 56 MHz, MICROCONTROLLER, PQFP120
封裝: 16 X 16 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-120
文件頁數(shù): 5/120頁
文件大?。?/td> 3330K
代理商: MB96F389RWAPMC-GSE2
MB96380 Series
102
FME-MB96380 rev 9
Definition of A/D Converter Terms
Resolution: Analog variation that is recognized by an A/D converter.
Total error: Difference between the actual value and the ideal value. The total error includes zero transition error,
full-scale transition error and nonlinearity error.
Nonlinearity error: Deviation between a line across zero-transition line (“00 0000 0000” <--> “00 0000 0001”)
and full-scale transition line (“11 1111 1110” <--> “11 1111 1111”) and actual conversion characteristics.
Differential nonlinearity error: Deviation of input voltage, which is required for changing output code by 1 LSB,
from an ideal value.
Zero reading voltage: Input voltage which results in the minimum conversion value.
Full scale reading voltage: Input voltage which results in the maximum conversion value.
3FF
3FE
3FD
004
003
002
001
AVRL
AVRH
VNT
1.5 LSB
0.5 LSB
{1 LSB
× (N 1) + 0.5 LSB}
Actual conversion
characteristics
(Actually-measured value)
Actual conversion
characteristics
Ideal characteristics
Digital
output
Analog input
Total error of digital output “N”
=
VNT
{1 LSB × (N 1) + 0.5 LSB}
1 LSB
[LSB]
1 LSB
= (Ideal value)
AVRH
AVRL
1024
[V]
VOT (Ideal value)
= AVRL + 0.5 LSB [V]
VFST (Ideal value)
= AVRH 1.5 LSB [V]
VNT : A voltage at which digital output transitions from (N
1) to N.
Total error
N: A/D converter digital output value
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