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參數(shù)資料
| 型號： | MB90495G |
| 廠商： | Fujitsu Limited |
| 英文描述： | 16-bit Proprietary Microcontroller CMOS |
| 中文描述： | 16位微控制器專有的CMOS |
| 文件頁數(shù)： | 81/92頁 |
| 文件大?。?/td> | 450K |
| 代理商： | MB90495G |
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MB90495G Series
81
(Continued)
7.
Notes on Using A/D Converter
Select the output impedance value for the external circuit of analog input according to the following conditions :
External circuit output impedance values of about 5 k
or lower are recommended.
If external capacitors are used, a capacitance of several thousand times the internal capacitor value is recom-
mended in order to minimize the effect of voltage distribution between the external and internal capacitor.
If the output impedance of the external circuit is too high, the sampling time for analog voltages may not be
sufficient (sampling period
=
2.00
μ
s @ machine clock of 16 MHz) .
Model Analog Input Circuit
About Error
The smaller the absolute value of | AVR - AV
SS
|, the greater the relative error.
3FF
3FE
3FD
004
003
002
001
AV
SS
AVR
AV
SS
AVR
N
+
1
N
N
1
N
2
V
(actual
measurement)
V
OT
(actual measurement)
V
(actual
measurement)
{1 LSB
×
(N
1)
+
V
OT
}
Actual conversion
characteristics
Actual conversion
characteristics
Ideal characteristics
Actual conversion
characteristics
Actual conversion
characteristics
Ideal
characteristics
D
D
Analog input
Analog input
V
NT
(actual measurement)
V
(N
+
1) T
(actual
measurement)
Linearity error
Differential linearity error
Linearity error of digital output N
=
V
NT
{1 LSB
×
(N
1)
+
V
OT
}
1 LSB
[LSB]
Differential linearity error of digital output N
=
V (
N
+
1
)
T
V
NT
1 LSB
V
FST
V
OT
1022
1 LSB [LSB]
[V]
1 LSB
=
V
OT
: Voltage for transition from digital output 000
H
to 001
H
.
V
FST
: Voltage for transition from digital output 3FE
H
to 3FF
H
.
C
Comparator
Analog input
R
Note : The figures given here are the suggested values.
MB90F497G, MB90F498G, MB90V495G R 3.2 k
, C
MB90497G
30 pF
R 2.6 k
, C 28 pF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90495G_09 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90497 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller CMOS |
| MB90497G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90497GPF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90497GPFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller CMOS |
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