參數(shù)資料
型號(hào): MB90F882ASPF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁(yè)數(shù): 68/80頁(yè)
文件大?。?/td> 2171K
代理商: MB90F882ASPF
MB90880 Series
70
DS07-13743-5E
6.
Definition of A/D Converter Terms
(Continued)
Resolution
: Analog variation that is recognized by an A/D converter.
Non linearity
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
linearity error
: Deviation of input voltage, which is required for changing output code by 1 LSB, from an ideal
value.
Total error
: Difference between an actual value and a theoretical value. A total error includes zero tran-
sition error, full-scale transition error, and linear error.
3FFH
3FEH
3FDH
004H
003H
002H
001H
AVSS
AVRH
VNT
1.5 LSB
0.5 LSB
{1 LSB
× (N 1) + 0.5 LSB}
Actual conversion
characteristics
(Actual measurement value)
Ideal characteristics
Actual conversion
characteristics
Total error
Total error of digital output “N”
=
VNT
{1 LSB × (N 1) + 0.5 LSB}
1 LSB
[LSB]
1 LSB (Ideal value)
=
AVRH
AVSS
1024
[V]
VOT (Ideal value)
= AVSS + 0.5 LSB [V]
VFST (Ideal value)
= AVRH 1.5 LSB [V]
VNT : A voltage at which digital output transits from (N
1) H, NH.
Analog input
Digital
output
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