參數(shù)資料
型號： MB90F822BPMC
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 4 MHz, MICROCONTROLLER, PQFP80
封裝： 12 X 12 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù)： 39/56頁
文件大小： 1645K
代理商： MB90F822BPMC
MB90820B Series
44
DS07-13751-2E
6.
A/D Converter Glossary
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 an ideal value. A total error includes zero
transition error, full-scale transition error, and linear error.
(Continued)
3FFH
3FEH
3FDH
004H
003H
002H
001H
AVSS
AVR
VNT
{1 LSB
× (N 1) + 0.5 LSB}
1.5 LSB
0.5 LSB
Total error
Actual conversion
characteristics
Analog input
Total error for digital output N =
VNT
{1 LSB × (N 1) + 0.5 LSB}
1 LSB
[LSB]
1 LSB
= (Ideal value)
AVR
AVss
1024
[V]
VOT(Ideal value)
= AVss + 0.5 LSB [V]
VFST(Ideal value)
= AVR 1.5 LSB [V]
VNT : Voltage at which of digital output transitions from (N
1)H to NH.
Actual
conversion
characteristics
Ideal
characteristics
(Measurement value)
Digit
al
ou
tp
ut
N : A/D converter digital output value
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