參數(shù)資料
型號(hào)： MB90V340A-104
廠商： Fujitsu Limited
英文描述： 16-bit Proprietary Microcontroller
中文描述： 16位微控制器專(zhuān)有
文件頁(yè)數(shù)： 53/59頁(yè)
文件大小： 262K
代理商： MB90V340A-104
MB90360 Series
53
(Continued)
To satisfy the A/D conversion precision standard, consider the relationship between the external impedance
and minimum sampling time and either adjust the resistor value and operating frequency or decrease the
external impedance so that the sampling time is longer than the minimum value.
If the sampling time cannot be sufficient, connect a capacitor of about 0.1
μ
F to the analog input pin.
About errors
As | AVR
AV
SS
| becomes smaller, values of relative errors grow larger.
At 4.5 V
≤
AV
CC
≤
5.5 V
Minimum sampling time [
μ
s]
(External impedance
=
0 k
to 20 k
)
At 4.0 V
≤
AV
CC
< 4.5 V
(External impedance
=
0 k
to 100 k
)
(External impedance
=
0 k
to 20 k
)
The relationship between external impedance and minimum sampling time
E
]
(External impedance
=
0 k
to 100 k
)
MB90362/T/S/TS,
MB90367/T/S/TS,
MB90V340A-101/102/103/104
MB90F362/T/S/TS,
MB90F367/T/S/TS
100
90
80
70
60
50
40
30
20
10
0
0
5
10
15
20
25
30
35
MB90362/T/S/TS,
MB90367/T/S/TS,
MB90V340A-101/102/103/104
20
18
16
14
12
10
8
6
4
2
0
0
1
2
3
4
5
6
7
8
MB90F362/T/S/TS,
MB90F367/T/S/TS
Minimum sampling time [
μ
s]
E
]
MB90362/T/S/TS,
MB90367/T/S/TS,
MB90V340A-101/102/103/104
100
90
80
70
60
50
40
30
20
10
0
0
5
10
15
20
25
30
35
MB90F362/T/S/TS,
MB90F367/T/S/TS
MB90362/T/S/TS,
MB90367/T/S/TS,
MB90V340A-101/102/103/104
20
18
16
14
12
10
8
6
4
2
0
0
1
2
3
4
5
6
7
8
MB90F362/T/S/TS,
MB90F367/T/S/TS
Minimum sampling time [
μ
s]
E
]
Minimum sampling time [
μ
s]
E
]
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