參數(shù)資料
型號： MB90F462PMC
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, PQFP64
封裝： 12 X 12 MM, 1.70 MM HEIGHT, 0.65 MM PITCH, PLASTIC, LFQFP-64
文件頁數(shù)： 75/88頁
文件大?。?/td> 2202K
代理商： MB90F462PMC
MB90460/465 Series
DS07-13714-2E
77
6.
A/D Converter Glossary
(Continued)
Resolution :
Analog changes that are identifiable with the A/D converter
Linearity error :
The deviation of the straight line connecting the zero transition point
(“00 0000 0000”
←→ “000000 0001”) with the full-scale transition point
(“11 1111 1110”
←→ “11 1111 1111”) from actual conversion characteristics
Differential linearity error : The deviation of input voltage needed to change the output code by 1 LSB from the
theoretical value
Total error :
The total error is defined as a difference between the actual value and the theoretical
value, which includes zero-transition error/full-scale transition error and linearity error.
3FF
3FE
3FD
004
003
002
001
AVss
Digital
output
AVR
Analog input
1.5 LSB
0.5 LSB
{1 LSB
× (N 1) + 0.5 LSB}
Actual conversion
value
Actual conversion
value
Theoretical
characteristics
VNT
(Measured value)
Total error
Total error for digital output N
=
VNT
{1 LSB × (N 1) + 0.5 LSB}
[LSB]
1 LSB
= (Theoretical value)
AVR
AVSS
[V]
1024
VOT (Theoretical value)
= AVSS + 0.5 LSB [V]
VFST (Theoretical value)
= AVR 1.5 LSB [V]
VNT : Voltage at a transition of digital output from (N
1) to N
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