FN6043.3 January 23, 2006 voltage divider action of the switch OFF impedance and the load impedance. Leakage Considerations Reverse ESD p" />
參數(shù)資料
型號(hào): ISL43640IU-T
廠商: Intersil
文件頁數(shù): 13/13頁
文件大小: 0K
描述: IC MUX/DEMUX 4X1 10MSOP
標(biāo)準(zhǔn)包裝: 2,500
功能: 多路復(fù)用器/多路分解器
電路: 1 x 4:1
導(dǎo)通狀態(tài)電阻: 50 歐姆
電壓電源: 單電源
電壓 - 電源,單路/雙路(±): 2 V ~ 12 V
電流 - 電源: 100pA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 帶卷 (TR)
9
FN6043.3
January 23, 2006
voltage divider action of the switch OFF impedance and the
load impedance.
Leakage Considerations
Reverse ESD protection diodes are internally connected
between each analog-signal pin and both V+ and GND. One of
these diodes conducts if any analog signal exceeds V+ or
GND.
Virtually all the analog leakage current comes from the ESD
diodes to V+ or GND. 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 GND 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 GND 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 V+ or GND.
Typical Performance Curves TA = 25°C, Unless Otherwise Specified
FIGURE 8. ON RESISTANCE vs SUPPLY VOLTAGE
FIGURE 9. ON RESISTANCE vs SWITCH VOLTAGE
FIGURE 10. DIGITAL SWITCHING POINT vs SUPPLY VOLTAGE
FIGURE 11. SUPPLY CURRENT vs DIGITAL ADDRESS INPUT
VOLTAGE
25
7
9
11
12
0
100
200
300
400
500
R
ON
(
)
V+ (V)
VCOM = (V+) - 1V
ICOM = 1mA
-40
°C
85
°C
25
°C
3
4
6
8
10
13
R
ON
(
)
VCOM (V)
0
4
6
8
10
12
2
V+ = 3.3V
ICOM = 1mA
30
40
50
60
70
80
85
°C
-40
°C
25
°C
V+ = 12V
60
80
100
120
140
25
°C
-40
°C
85
°C
V+ = 5V
75
100
150
200
225
175
125
25
°C
-40
°C
85
°C
V+ (V)
25
3.0
2.5
2.0
1.5
1.0
0.5
34
6789
10
11
12
13
V
IN
H
AND
V
INL
(V
)
3.0
2.5
2.0
1.5
1.0
0.5
-40
°C
VINL
85
°C
-40
°C
85
°C
VINH
25
°C
25
°C
01.5
0.51
22.5
33.5
44.5
5
70
60
50
40
30
20
10
0
VIN(ADD) (V)
I CC
(
A)
V+ = +5V
ISL43640
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