參數(shù)資料
型號： MB90F897YPMT
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP48
封裝： 0.50 MM PITCH, PLASTIC, LQFP-48
文件頁數(shù)： 36/52頁
文件大?。?/td> 1370K
代理商： MB90F897YPMT
MB90895 Series
DS07-13731-5E
41
6.
Definition of A/D Converter Terms
(Continued)
Resolution
: Analog variation that is recognized by an A/D converter.
Linear 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 linear
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 an ideal value. A total error includes zero transition
error, full-scale transition error, and linear error.
3FFH
3FEH
3FDH
004H
003H
002H
001H
AVss
AVR
1.5 LSB
0.5 LSB
{1 LSB
× (N 1) + 0.5 LSB}
VNT
Total error
Total error of digital output “N”
=
VNT
{1 LSB × (N 1) + 0.5 LSB}
[LSB]
1 LSB
= (Ideal value)
AVR
AVSS
[V]
1024
VOT (Ideal value)
= AVSS + 0.5 LSB [V]
VFST (Ideal value)
= AVR 1.5 LSB [V]
VNT : A voltage at which digital output transits from (N-1) to N.
Digital
output
Actual conversion
characteristics
(Actually-measured value)
Actual conversion
characteristics
Analog input
Ideal characteristics
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