FN6056.2 March 13, 2006 Leakage Considerations Reverse ESD protection diodes are internally connected between each analog-signal pin and" />
參數(shù)資料
型號: ISL43840IR-T
廠商: Intersil
文件頁數(shù): 3/14頁
文件大?。?/td> 0K
描述: IC MUX/DEMUX DUAL 4X1 20QFN
標(biāo)準(zhǔn)包裝: 6,000
功能: 多路復(fù)用器/多路分解器
電路: 2 x 4:1
導(dǎo)通狀態(tài)電阻: 45 歐姆
電壓電源: 單/雙電源
電壓 - 電源,單路/雙路(±): 2 V ~ 12 V,±2 V ~ 6 V
電流 - 電源: 1µA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-QFN 裸露焊盤(4x4)
包裝: 帶卷 (TR)
11
FN6056.2
March 13, 2006
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 TA = 25°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. ON RESISTANCE vs SWITCH VOLTAGE
30
40
50
60
70
100
200
300
400
-40°C
85°C
V- = 0V
R
ON
(
)
V+ (V)
46
8
10
12
35
79
11
2
0
20
VCOM = (V+) - 1V
ICOM = 1mA
V- = -5V
25°C
-40°C
85°C
25°C
20
30
40
50
60
30
40
50
60
70
80
90
50
60
70
80
90
100
110
120
R
ON
(
)
VCOM (V)
-4
-2
0
2
4
-5
-3
-1
1
3
5
VS = ±5V
ICOM = 2mA
VS = ±2V
25°C
85°C
25°C
-40°C
85°C
-40°C
25°C
-40°C
85°C
VS = ±3V
75
100
150
200
225
60
80
100
120
140
160
40
50
60
70
80
90
100
R
ON
(
)
VCOM (V)
02
4
13
5
V+ = 2.7V
V+ = 5V
25°C
-40°C
85°C
ICOM = 1mA
V- = 0V
25°C
-40°C
85°C
V- = 0V
25°C
85°C
-40°C
V- = 0V
V+ = 3.3V
175
125
R
ON
(
)
VCOM (V)
02
46
8
10
12
20
25
30
35
40
45
50
55
60
ICOM = 1mA
-40°C
85°C
25°C
V+ = 12V
V- = 0V
ISL43840
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