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參數(shù)資料
| 型號： | ISL43L840IRZ-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | Ultra Low ON-Resistance, Low-Voltage, Single Supply, Dual 4 to 1 Analog Multiplexer |
| 中文描述： | 4-CHANNEL, DIFFERENTIAL MULTIPLEXER, PQCC16 |
| 封裝： | 3 X 3 MM, LEAD FREE, PLASTIC, MO-220-VEED, QFN-16 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大小： | 433K |
| 代理商： | ISL43L840IRZ-T |
11
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 POSITIVE SUPPLY VOLTAGE
FIGURE 10. ON RESISTANCE vs SWITCH VOLTAGE
FIGURE 11. ON RESISTANCE vs SWITCH VOLTAGE
FIGURE 12. CHARGE INJECTION vs SWITCH VOLTAGE
R
O
)
V+ (V)
2
4
6
8
10
12
0
50
100
150
200
250
300
3
5
7
9
11
13
-40
o
C
85
o
C
25
o
C
V- = 0V
40
60
80
100
120
50
60
70
90
100
V- = -3V
V- = -5V
V
COM
= (V+) - 1V
I
COM
= 1mA
-40
o
C
85
o
C
25
o
C
-40
o
C
85
o
C
25
o
C
R
O
)
V
COM
(V)
0
2
4
6
8
10
12
20
30
40
50
60
70
80
1
3
5
7
9
11
-40
o
C
85
o
C
V+ = 12V
V- = 0V
55
75
95
115
135
50
100
150
200
250
25
o
C
V+ = 3V
V+ = 5V
25
o
C
-40
o
C
85
o
C
25
o
C
-40
o
C
85
o
C
V- = 0V
V- = 0V
I
COM
= 1mA
R
O
)
V
COM
(V)
-4
-2
0
2
4
30
50
70
90
-5
-3
-1
1
3
5
V
S
=
±
5V
40
60
80
100
120
V
S
=
±
3V
60
100
140
180
I
COM
= 1mA
V
S
=
±
2V
25
o
C
85
o
C
25
o
C
-40
o
C
85
o
C
25
o
C
-40
o
C
85
o
C
-40
o
C
Q
V
COM
(V)
-5
0
5
10
-10
-5
0
5
-2.5
2.5
7.5
12.5
-7.5
-2.5
2.5
V
S
=
±
5V
V+ = 5V
V+ = 3V
V+ = 12V
ISL43140, ISL43141, ISL43142
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| ISL43L841 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Ultra Low ON-Resistance, Low-Voltage, Single Supply, Differential 4 to 1 Analog Multiplexer |
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