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參數(shù)資料
| 型號(hào)： | ISL8394IB-T |
| 廠商： | INTERSIL CORP |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Low-Voltage, Single and Dual Supply, Quad SPDT, Analog Switches |
| 中文描述： | QUAD 1-CHANNEL, SGL POLE DOUBLE THROW SWITCH, PDSO20 |
| 封裝： | PLASTIC, MS-013AC, SOIC-20 |
| 文件頁(yè)數(shù)： | 7/11頁(yè) |
| 文件大小： | 294K |
| 代理商： | ISL8394IB-T |
7
Detailed Description
The ISL8394 quad analog switches offer precise switching
capability from a bipolar
±
2V to
±
6V or a single 2V to 12V
supply with low on-resistance (17
) and high speed
operation (t
ON
= 50ns, t
OFF
= 30ns). The devices are
especially well suited to portable battery powered equipment
thanks to the low operating supply voltage (2V), low power
consumption (5
μ
W), low leakage currents (2.5nA max). High
frequency applications also benefit from the wide bandwidth,
and the very high off isolation and crosstalk rejection.
Supply Sequencing And Overvoltage Protection
With any CMOS device, proper power supply sequencing is
required to protect the device from excessive input currents
which might permanently damage the IC. All I/O pins contain
ESD protection diodes from the pin to V+ and to V- (see
Figure 8). To prevent forward biasing these diodes, V+ and
V- must be applied before any input signals, and input signal
voltages must remain between V+ and V-. If these conditions
cannot be guaranteed, then one of the following two
protection methods should be employed.
Logic inputs can easily be protected by adding a 1k
resistor in series with the input (see Figure 8). The resistor
limits the input current below the threshold that produces
permanent damage, and the sub-microamp input current
produces an insignificant voltage drop during normal
operation.
Adding a series resistor to the switch input defeats the
purpose of using a low R
ON
switch, so two small signal
diodes can be added in series with the supply pins to provide
overvoltage protection for all pins (see Figure 8). These
additional diodes limit the analog signal from 1V below V+ to
Repeat test for all switches.
FIGURE 4. OFF ISOLATION TEST CIRCUIT
Repeat test for all switches.
FIGURE 5. R
ON
TEST CIRCUIT
FIGURE 6. CROSSTALK TEST CIRCUIT
FIGURE 7. CAPACITANCE TEST CIRCUIT
Test Circuits and Waveforms
(Continued)
ANALYZER
R
L
SIGNAL
GENERATOR
V+
C
0V OR 2.4V
NO OR NC
COM
IN
GND
C
V-
V+
C
0.8V OR 2.4V
NO OR NC
COM
IN
GND
V
NX
V
1
R
ON
= V
1
/1mA
1mA
C
V-
0V or 2.4V
ANALYZER
V+
C
NO1 OR NC1
SIGNAL
GENERATOR
R
L
GND
IN
1
COM1
IN
2
50
0V OR 2.4V
NO
CONNECTION
COM2
NO2 or NC2
C
V-
V+
GND
NO OR NC
COM
IN
IMPEDANCE
ANALYZER
0V OR 2.4V
V-
ISL8394
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL8394 | Low-Voltage, Single and Dual Supply, Quad SPDT, Analog Switches |
| ISL8394IB | Low-Voltage, Single and Dual Supply, Quad SPDT, Analog Switches |
| ISL84052IA | Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switches |
| ISL84051IA | Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switches |
| ISL84051IB | Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL8394IBZ | 功能描述:IC SWITCH QUAD SPDT 20SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 模擬開(kāi)關(guān)，多路復(fù)用器，多路分解器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:36 系列:- 功能:多路復(fù)用器 電路:2 x 4:1 導(dǎo)通狀態(tài)電阻:75 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:- 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:20-SOIC W 包裝:管件 |
| ISL8394IBZ-T | 功能描述:IC SWITCH QUAD SPDT 20SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 模擬開(kāi)關(guān)，多路復(fù)用器，多路分解器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:36 系列:- 功能:多路復(fù)用器 電路:2 x 4:1 導(dǎo)通狀態(tài)電阻:75 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:- 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:20-SOIC W 包裝:管件 |
| ISL84051 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Low Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switch |
| ISL84051_07 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Low Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switch |
| ISL84051_0710 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Low Voltage, Single and Dual Supply, 8 to 1 Multiplexer, Dual 4 to 1 Multiplexer and a Triple SPDT Analog Switch |
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