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參數(shù)資料
| 型號： | ISL84051IB |
| 廠商： | INTERSIL CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switches |
| 中文描述： | 8-CHANNEL, SGL ENDED MULTIPLEXER, PDSO16 |
| 封裝： | PLASTIC, MS-012AC, SOIC-16 |
| 文件頁數(shù)： | 13/17頁 |
| 文件大?。?/td> | 560K |
| 代理商： | ISL84051IB |
13
Leakage Considerations
Reverse ESD protection diodes are internally connected
between each analog-signal pin and both V+ and V-. One
of these diodes conducts if any analog signal exceeds V+
or V-.
Virtually all the analog leakage current comes from the ESD
diodes to V+ or V-. Although the ESD diodes on a given
signal pin are identical and therefore fairly well balanced,
they are reverse biased differently. Each is biased by either
V+ or V- and the analog signal. This means their leakages
will vary as the signal varies. The difference in the two diode
leakages to the V+ and V- pins constitutes the analog-signal-
path leakage current. All analog leakage current flows
between each pin and one of the supply terminals, not to the
other switch terminal. This is why both sides of a given
switch can show leakage currents of the same or opposite
polarity. There is no connection between the analog signal
paths and GND.
Typical Performance Curves
T
A
= 25
o
C, Unless Otherwise Specified
FIGURE 9. ON RESISTANCE vs SUPPLY VOLTAGE
FIGURE 10. ON RESISTANCE vs SWITCH VOLTAGE
FIGURE 11. ON RESISTANCE vs SWITCH VOLTAGE
FIGURE 12. CHARGE INJECTION vs SWITCH VOLTAGE
30
40
50
60
70
100
200
300
400
-40
o
C
85
o
C
V- = 0V
R
O
)
V+ (V)
4
6
8
10
12
3
5
7
9
11
2
0
20
V
COM
= (V+) - 1V
I
COM
= 1mA
V- = -5V
25
o
C
-40
o
C
85
o
C
25
o
C
75
100
150
200
225
60
100
80
100
120
140
160
40
50
70
90
R
O
)
V
COM
(V)
0
2
4
1
3
5
V+ = 2.7V
V- = 0V
V+ = 5V
25
o
C
-40
o
C
85
o
C
I
COM
= 1mA
25
o
C
-40
o
C
85
o
C
V- = 0V
25
o
C
-40
o
C
85
o
C
V- = 0V
V+ = 3.3V
175
125
20
30
40
50
60
30
40
50
60
70
80
90
50
60
70
80
90
100
110
120
R
O
)
V
COM
(V)
-4
-2
0
2
4
-5
-3
-1
1
3
5
V
S
=
±
5V
I
COM
= 1mA
V
S
=
±
2V
25
o
C
85
o
C
25
o
C
-40
o
C
85
o
C
-40
o
C
25
o
C
-40
o
C
85
o
C
V
S
=
±
3V
-3
-2
-1
0
1
2
Q
V
COM
(V)
-5
0
5
-2.5
2.5
V
S
=
±
5V
V+ = 5V
V- = 0V
ISL84051, ISL84052, ISL84053
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| ISL84053IA | Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switches |
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