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参数资料
| 型号： | 7705201FA |
| 厂商： | Vishay Intertechnology,Inc. |
| 英文描述： | Single 8-Ch/Differential 4-Ch CMOS Analog Multiplexers |
| 中文描述： | 单8-Ch/Differential 4通道CMOS模拟多路复用器 |
| 文件页数： | 9/11页 |
| 文件大小： | 210K |
| 代理商： | 7705201FA |
DG508A_MIL/509A_MIL
Vishay Siliconix
Document Number: 70067
S-00405—Rev. C, 21-Feb-00
www.vishay.com FaxBack 408-970-5600
5-9
FIGURE 8.
Insertion Loss
FIGURE 9.
Source Drain Capacitance
R
L
1 k
A
2
V
O
D
R
g
= 50
Insertion Loss = 20 log
V
OUT
V
IN
A
1
A
0
V
S
S
1
V+
GND
V–
–15 V
+15 V
EN
f = 1 MHz
S
1
D
EN
+15 V
–15 V
GND
V+
V–
Meter
HP4192A
Impedance
Analyzer
or Equivalent
S
8
A
1
A
2
A
0
Channel
Select
V+
Positive Supply
Voltage
(V)
V–
Negative Supply
Voltage
(V)
V
IN
Logic Input Voltage
V
INH(min)
/V
INL(max)
(V)
V
S
or V
D
Analog Voltage
Range
(V)
15
10
12
8
b
–15
–12
–10
–8
2.4/0.8
2.4/0.8
2.4/0.6
2.4/0.4
–15 to 15
–12 to 12
–10 to 10
–8 to 8
Notes:
a.
b.
Application Hints are for DESIGN AID ONLY, not guaranteed and not subject to production testing.
Operation below
8 V is not recommended.
Overvoltage Protection
A very convenient form of overvoltage protection consists of
adding two small signal diodes (1N4148, 1N914 type) in series
with the supply pins (see Figure 11). This arrangement
effectively blocks the flow of reverse currents. It also floats the
supply pin above or below the normal V+ or V– value. In this
case the overvoltage signal actually becomes the power
supply of the IC. From the point of view of the chip, nothing has
changed, as long as the difference between V
S
and the V– rail
doesn’t exceed +44 V. The addition of these diodes will reduce
the analog signal range to 1 V below V+ and 1 V above V–, but
it preserves the low channel resistance and low leakage
characteristics.
1N4148
DG508A_MIL
Internal
Junction
D
–15 V
1N4148
V+ v V
g
v V–
S
X
V
g
V+
V–
+15 V
FIGURE 10.
Overvoltage Protection Using Blocking Diodes
Internal
Junction
相关PDF资料 |
PDF描述 |
|---|---|
| 7705201FC | Single 8-Ch/Differential 4-Ch CMOS Analog Multiplexers |
| 771W-CX2-01 | RECEPTACLES |
| 7721-1A | H Bridge Power Module |
| 7721-2A | H Bridge Power Module |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 7705201FC | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Single 8-Ch/Differential 4-Ch CMOS Analog Multiplexers |
| 7705201FX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Channel Analog Multiplexer |
| 7705201XA | 制造商:Vishay Angstrohm 功能描述:DG508AAL/883 |
| 7705201XC | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
| 7705201XC-T | 功能描述:多路器开关 IC RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻（最大值）:7 Ohms 开启时间（最大值）: 关闭时间（最大值）: 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16 |
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