參數(shù)資料
型號: MB90F822APF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP80
封裝: 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù): 92/100頁
文件大?。?/td> 992K
代理商: MB90F822APF
MB90820 Series
92
6.
A/D Converter Glossary
Resolution
Non linearity error
: Analog variation that is recognized by an A/D converter.
: 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)
3FF
H
3FE
H
3FD
H
004
H
003
H
002
H
001
H
AVRL
AVRH
V
NT
{1 LSB
×
(N
1)
+
0.5 LSB}
0.5 LSB
0.5 LSB
Total error
Actual conversion
characteristics
Analog input
Total error for digital output N =
V
NT
{1 LSB
×
(N
1)
+
0.5 LSB}
1 LSB
AVR
AVss
1024
[LSB]
1 LSB
=
(Ideal value)
[V]
V
OT
(Ideal value)
=
AVss
+
0.5 LSB [V]
V
FST
(Ideal value)
=
AVR
1.5 LSB [V]
V
NT
: Voltage at which of digital output transitions from (N
1) to N.
Actual
conversion
characteristics
Ideal
characteristics
(Measurement value)
D
N : A/D converter digital output value
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