參數(shù)資料
型號： MB90214
廠商： Fujitsu Limited
英文描述： 8-Bit Proprietary Microcontroller(8位專用微控制器)
中文描述： 8位微控制器專利（8位專用微控制器）
文件頁數(shù)： 72/99頁
文件大小： 932K
代理商： MB90214
MB90210 Series
72
6. A/D Converter Glossary
Resolution
Analog changes that are identifiable with the A/D converter.
When the number of bits is 10, analog voltage can be divided into 2
10
= 1024.
Total error
Difference between actual and logical values. This error is caused by a zero transition error, full-scale transition
error, linearity error, differential linearity error, or by noise.
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 1111”
“11 1111 1110”) 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.
Equivalent Circuit of Analog Input Circuit
Note: The values shown here are reference values.
Analog input
Comparator
C
1
C
0
R
ON2
R
ON1
R
ON1
: Approx. 1.5 k
R
ON2
: Approx. 1.5 k
C
0
: Approx. 60 pF
C
1
: Approx. 4 pF
External impedance
Digital output
11 1111 1111
11 1111 1110
11 1111 1101
N + 1
N
N – 1
00 0000 0010
00 0000 0001
00 0000 0000
1LSB
V
FST
– V
0T
1022
=
AV
RH
– AV
RL
1022
N = 0 to 1022
V
NT (N = 0)
= V
V
NT (N = 1022)
= V
FST
=
Linearity error
. 1LSB theoretical value
V
NT
– (N
×
1LSB + V
0T
)
1LSB
=
Differential linearity error
V
NT
– V
(N – 1) T
1LSB
=
– 1
N = 1 to 1022
Total error
V
NT
– { ( N + 0.5 )
×
1LSB theoretical value }
1LSB theoretical value
=
N = 0 to 1022
V
FST
V
0T
V
(N–1)T
Theoretical value
Actual conversion value
Total error
Linerity error
V
1T
V
2T
V
(N+1)T
V
NT
AVRH (V)
AVRL
N
×
1LSB + V
0T
Theoretical value V
NT
相關PDF資料
PDF描述
MB90P214B 8-Bit Proprietary Microcontroller(8位專用微控制器)
MB90V210 8-Bit Proprietary Microcontroller(8位專用微控制器)
MB90W214A 8-Bit Proprietary Microcontroller(8位專用微控制器)
MB90W214B 8-Bit Proprietary Microcontroller(8位專用微控制器)
MB90P214BPF 16-bit Proprietary Microcontroller
相關代理商/技術參數(shù)
參數(shù)描述
MB90214PF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90223 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90223PF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90224 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90224PF 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
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