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參數(shù)資料
| 型號： | 7705201FC |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Single 8-Ch/Differential 4-Ch CMOS Analog Multiplexers |
| 中文描述： | 單8-Ch/Differential 4通道CMOS模擬多路復(fù)用器 |
| 文件頁數(shù)： | 9/11頁 |
| 文件大?。?/td> | 210K |
| 代理商： | 7705201FC |
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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 7705201FX | 制造商:未知廠家 制造商全稱:未知廠家 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:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| 7705201XC-T | 功能描述:多路器開關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| 7705201XX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Channel Analog Multiplexer |
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