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参数资料
| 型号： | ISL43240IAZ |
| 厂商： | Intersil |
| 文件页数： | 13/14页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH QUAD SPDT 20SSOP |
| 标准包装： | 66 |
| 功能： | 开关 |
| 电路： | 4 x SPDT |
| 导通状态电阻： | 20 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： | 10nA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 产品目录页面： | 1246 (CN2011-ZH PDF) |
8
Detailed Description
The ISL43240 quad analog switches offer precise switching
capability from a bipolar ±2V to ±6V or a single 2V to 12V
supply with low on-resistance (18
) and high speed
operation (tON =52ns, tOFF = 40ns). The devices are
especially well suited for portable battery powered
equipment thanks to the low operating supply voltage (2V),
low power consumption (5
W), low leakage currents (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 RON 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 1V above V-.
Repeat test for all switches.
FIGURE 4. OFF ISOLATION TEST CIRCUIT
Repeat test for all switches.
FIGURE 5. RON TEST CIRCUIT
FIGURE 6. CROSSTALK TEST CIRCUIT
FIGURE 7. CAPACITANCE TEST CIRCUIT
Test Circuits and Waveforms (Continued)
ANALYZER
RL
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
VNX
V1
RON = V1/1mA
1mA
C
V-
0V or 2.4V
ANALYZER
V+
C
NO1 or NC1
SIGNAL
GENERATOR
RL
GND
IN1
COM1
IN2
50
0V or 2.4V
NO
COM2
NO2 or NC2
C
V-
CONNECTION
V+
GND
NO or NC
COM
IN
IMPEDANCE
ANALYZER
0V or 2.4V
V-
ISL43240
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL43240IAZ-T | 功能描述:模拟开关 IC SWITCH 4X +/-5V 18OHM IND RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| ISL43240IAZ-T7A | 功能描述:模拟开关 IC SWITCH 4X +/-5V 18OHM IND 250 PC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| ISL43240IR | 功能描述:IC SWITCH QUAD SPDT 20QFN RoHS:否 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 标准包装:48 系列:- 功能:开关 电路:4 x SPST - NO 导通状态电阻:100 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:50nA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:管件 |
| ISL43240IR-T | 功能描述:IC SWITCH QUAD SPDT 20QFN RoHS:否 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 标准包装:48 系列:- 功能:开关 电路:4 x SPST - NO 导通状态电阻:100 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:50nA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:管件 |
| ISL43240IRZ | 功能描述:模拟开关 IC SWITCH 4X SPDT +/-5V 18OHM 20QFN(4X4 IND RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
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