參數(shù)資料
型號: MB90587PFV
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁數(shù): 121/124頁
文件大?。?/td> 2675K
代理商: MB90587PFV
MB90580B Series
96
6.
A/D Converter Glossary
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”
“00
0000 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.
(Continued)
3FF
3FE
3FD
004
003
002
001
AVRL
AVRH
VNT
{1 LSB
× (N 1) + 0.5 LSB}
0.5 LSB
Total error
Actual conversion
value
Analog input
Total error for digital output N =
VNT
{1 LSB × (N 1) + 0.5 LSB}
1 LSB
[LSB]
1 LSB
= (Theoretical value) AVRH AVRL
1024
[V]
VOT(Theoretical value)
= AVRL + 0.5 LSB [V]
VFST(Theoretical value)
= AVRH 1.5 LSB [V]
VNT : Voltage at a transition of digital output from (N - 1) to N
Actual conversion
value
Theoretical
characteristics
(Measured value)
Digital
output
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