参数资料
型号: MAX4713ESE+T
厂商: Maxim Integrated Products
文件页数: 3/17页
文件大小: 0K
描述: IC SWITCH QUAD SPST 16SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 开关
电路: 4 x SPST - NC/NO
导通状态电阻: 25 欧姆
电压电源: 单/双电源
电压 - 电源,单路/双路(±): 2.7 V ~ 11 V,±2.7 V ~ 5.5 V
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: 带卷 (TR)
NC_) and COM_ so that signals pass equally well in
either direction.
Positive Fault Condition
When the signal on NO_ (or NC_) exceeds V+ by about
150mV, the high-fault comparator output is high, turn-
ing off FETs N1 and P1. This makes the NO_ (or NC_)
input high impedance regardless of the switch state. If
the switch state is “off”, all FETs are turned off and both
NO_ (or NC_) and COM_ are high impedance. If the
switch state is “on”, clamp FET P2 is turned on, sourc-
ing current from V+ to COM_.
Negative Fault Condition
When the signal on NO_ (or NC_) exceeds V- by about
150mV, the low-fault comparator output is high, turning
off FETs N1 and P1. This makes the NO_ (or NC_) input
high impedance regardless of the switch state. If the
switch state is “off”, all FETs are turned off and both
NO_ (or NC_) and COM_ are high impedance. If the
switch state is “on”, clamp FET N2 is turned on, sinking
current from COM_ to V-.
Transient Fault Response and Recovery
When a fast rise-time or fall-time transient on NC_ or
NO_ exceeds V+ or V-, the output (COM_) follows the
input to the supply rail with only a few nanoseconds
delay. This delay is due to the switch on-resistance and
circuit capacitance to ground. When the input transient
returns to within the supply rails, however, there is a
700ns output recovery delay time. These values
depend on the COM_ output resistance and capaci-
tance, and are not production tested or guaranteed.
The delays are not dependent on the fault amplitude.
Higher COM_ output resistance and capacitance
increase recovery times.
COM_ and IN_ Pins
FETs N2 and P2 can source about ±15mA from V+ or
V- to COM_ in the fault condition. Ensure that if the
COM_ pin is connected to a low-resistance load, the
absolute maximum current rating of 40mA is never
exceeded both in normal and fault conditions.
MAX4711/MAX4712/MAX4713
Fault-Protected, Low-Voltage,
Quad SPST Analog Switches
______________________________________________________________________________________
11
V+
NO_
(NC_)
IN_
GND
V-
HIGH
FAULT
LOW
FAULT
ON
N1
P1
P2
COM_
N2
NC SWITCH
-ESD DIODE
NORMALLY OPEN SWITCH CONSTRUCTION
Figure 1. Block Diagram
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