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| 型号： | ISL43111IBZ-T |
| 厂商： | Intersil |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH SPST 8SOIC |
| 标准包装： | 2,500 |
| 功能： | 开关 |
| 电路： | 1 x SPST- NC |
| 导通状态电阻： | 10 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.4 V ~ 12 V |
| 电流 - 电源： | 1µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
8
FN6028.3
April 12, 2005
This family of switches cannot be operated with bipolar
supplies, because the input switching point becomes
negative in this configuration. For a
±5V single SPST switch,
see the ISL43112/13 data sheet.
Logic-Level Thresholds
This switch family is TTL compatible (0.8V and 2.4V) over a
supply range of 3V to 11V, and the full temperature range
(see Figure 10). At 12V the low temperature VIH level is
about 2.5V. This is still below the TTL guaranteed high
output minimum level of 2.8V, but noise margin is reduced.
For best results with a 12V supply, use a logic family the
provides a VOH greater than 3V.
The digital input stages draw supply current whenever the
digital input voltage is not at one of the supply rails. Driving
the digital input signals from GND to V+ with a fast transition
time minimizes power dissipation.
High-Frequency Performance
In 50
systems, signal response is reasonably flat to
20MHz, with a -3dB bandwidth exceeding 200MHz (see
Figure 15). Figure 15 also illustrates that the frequency
response is very consistent over a wide V+ range, and for
varying analog signal levels.
An OFF switch acts like a capacitor and passes higher
frequencies with less attenuation, resulting in signal
feedthrough from a switch’s input to its output. Off Isolation is
the resistance to this feedthrough. Figure 16 details the high
Off Isolation provided by this family. At 10MHz, off isolation is
about 50dB in 50
systems, decreasing approximately 20dB
per decade as frequency increases. Higher load
impedances decrease Off Isolation due to the voltage divider
action of the switch OFF impedance and the load
impedance.
Leakage Considerations
Reverse ESD protection diodes are internally connected
between each analog-signal pin and both V+ and GND. One
of these diodes conducts if any analog signal exceeds V+ or
GND.
Virtually all the analog leakage current comes from the ESD
diodes to V+ or GND. Although the ESD diodes on a given
signal pin are identical and therefore fairly well balanced,
they are reverse biased differently. Each is biased by either
V+ or GND and the analog signal. This means their leakages
will vary as the signal varies. The difference in the two diode
leakages to the V+ and GND pins constitutes the analog-
signal-path leakage current. All analog leakage current flows
between each pin and one of the supply terminals, not to the
other switch terminal. This is why both sides of a given
switch can show leakage currents of the same or opposite
polarity. There is no connection between the analog-signal
paths and V+ or GND.
Typical Performance Curves TA = 25°C, Unless Otherwise Specified
FIGURE 7. ON RESISTANCE vs SUPPLY VOLTAGE
FIGURE 8. ON RESISTANCE vs SWITCH VOLTAGE
R
ON
(
)
V+ (V)
34
5
6
7
8
9
10
11
12
13
ICOM = 1mA
VCOM = (V+) - 1V
0
5
10
15
20
25
25°C
-40°C
85°C
R
ON
(
)
VCOM (V)
0
4
6
8
10
12
2
V+ = 3.3V
ICOM = 1mA
25°C
85°C
-40°C
5
3
5
7
9
V+ = 12V
25°C
85°C
-40°C
7
9
11
13
15
V+ = 5V
25°C
-40°C
85°C
8
12
16
20
ISL43110, ISL43111
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL43111IH-T | 功能描述:模拟开关 IC SPST NC Low Voltage 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 |
| ISL43111IHZ-T | 功能描述:IC SWITCH SPST SOT23-5 RoHS:是 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:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:36 系列:- 功能:多路复用器 电路:2 x 4:1 导通状态电阻:75 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:- 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 供应商设备封装:20-SOIC W 包装:管件 |
| ISL43112 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low-Voltage, Dual Supply, SPST, High Performance Analog Switches |
| ISL43112_04 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low-Voltage, Dual Supply, SPST, High Performance Analog Switches |
| ISL43112IB | 功能描述:模拟开关 IC SPST NO 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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