參數(shù)資料
型號(hào): DG409DYZ
廠商: Intersil
文件頁(yè)數(shù): 16/17頁(yè)
文件大小: 0K
描述: IC MULTIPLEXER DUAL 4X1 16SOIC
標(biāo)準(zhǔn)包裝: 48
功能: 多路復(fù)用器
電路: 2 x 4:1
導(dǎo)通狀態(tài)電阻: 100 歐姆
電壓電源: 單/雙電源
電壓 - 電源,單路/雙路(±): 5 V ~ 34 V,±5 V ~ 20 V
電流 - 電源: 200µA
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SOIC
產(chǎn)品目錄頁(yè)面: 1242 (CN2011-ZH PDF)
8
FN3283.8
June 13, 2006
Typical Applications
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 9). 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 V+ - (V-) doesn’t
exceed 44V. The addition of these diodes will reduce the
analog signal range to 1V below V+ and 1V above V-, but it
preserves the low channel resistance and low leakage
characteristics.
Typical application information is for Design Aid Only, not
guaranteed and not subject to production testing.
FIGURE 7. INSERTION LOSS
FIGURE 8. SOURCE/DRAIN CAPACITANCES
Test Circuits and Waveforms (Continued)
A2
GND
A1
EN
D
V
-
V+
VO
+15V
-15V
A0
SIGNAL
GENERATOR
VIN
5V
RL
ANALYZER
INSERTION LOSS
20 Log
VOUT
VIN
-----------------
=
S1
IMPEDANCE
ANALYZER
A2
GND
A1
EN
V
-
V+
+15V
-15V
A0
CHANNEL
SELECT
3V OR 0V
S8
S1
|
D
1N4148
DG408
V
-
VG
SX
V+
D
FIGURE 9. OVERVOLTAGE PROTECTION USING BLOCKING
DIODES
DG408, DG409
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DG409DYZ 制造商:Intersil Corporation 功能描述:MULTIPLEXER IC 制造商:Intersil Corporation 功能描述:IC, ANALOG MUX, DUAL, 4 X 1, SOIC-16
DG409DYZ-T 功能描述:多路器開(kāi)關(guān) IC MUX DIFF 4:1 16N IND RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻(最大值):7 Ohms 開(kāi)啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 傳播延遲時(shí)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
DG409EJ 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述:
DG409EUE 功能描述:多路器開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻(最大值):7 Ohms 開(kāi)啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 傳播延遲時(shí)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
DG409EUE+ 功能描述:多路器開(kāi)關(guān) IC Dual 4:1 CMOS Analog RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻(最大值):7 Ohms 開(kāi)啟時(shí)間(最大值): 關(guān)閉時(shí)間(最大值): 傳播延遲時(shí)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