参数资料
型号: ISL84581IAZ
厂商: Intersil
文件页数: 3/15页
文件大小: 0K
描述: IC MULTIPLEXER 8X1 16QSOP
标准包装: 98
功能: 多路复用器
电路: 1 x 8:1
导通状态电阻: 180 欧姆
电压电源: 单/双电源
电压 - 电源,单路/双路(±): 2 V ~ 12 V,±2 V ~ 6 V
电流 - 电源: 7µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 管件
产品目录页面: 1247 (CN2011-ZH PDF)
11
FN6416.3
April 13, 2009
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 8. ON-RESISTANCE vs SUPPLY VOLTAGE
FIGURE 9. ON-RESISTANCE vs SWITCH VOLTAGE
FIGURE 10. ON-RESISTANCE vs SWITCH VOLTAGE
FIGURE 11. ON-RESISTANCE vs SWITCH VOLTAGE
30
40
50
60
70
100
200
300
400
-40°C
+85°C
V- = 0V
r ON
(
Ω
)
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
(
Ω
)
VCOM (V)
-4
-2
0
2
4
-5
-3
-1
1
3
5
VS = ±5V
ICOM = 1mA
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
(
Ω
)
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
(
Ω
)
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
ISL84581
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