General Description
The MAX4711/MAX4712/MAX4713 are fault-protected, Rail-to-Rail®, low-voltage analog switches featuring low on-resistance and guaranteed on-resistance flatness over the specified signal range. Due to the fault protection feature the analog switch input (NO_ or NC_) and output (COM_) pins are not symmetrical. The fault protection feature allows for the analog input to go beyond the plus or minus supplies without the device drawing excessive amounts of current from the analog inputs. When the analog inputs are driven beyond the supply rails when the switch is on, it will sense a fault and turn itself off and the analog switch output will be clamped to the same polarity supply as the input signal and will not go beyond the supply rails. This feature protects any electronic circuitry connected to the output from excessive voltages present on the analog inputs.

Features
♦ Fault-Protected Analog Inputs
♦ ±12V Fault Protection with Power Off
♦ ±7V Fault Protection with ±5V Supplies
♦ +12V and -7V Fault Protection with +5V Supply
♦ +12V and -9V Fault Protection with +3V Supply
♦ Fault-Protected Digital Inputs May Exceed V+ Supply Rail
♦ All Switches Off with Power Off
♦ Rail-to-Rail Signal Handling
♦ Output Clamped to Appropriate Supply Voltages During Fault Condition
♦ 25Ω (max) RON at +25°C
♦ 1Ω (max) On-Resistance Match Between Channels
♦ Single- and Dual-Supply Operation
♦ Pin-Compatible with Industry-Standard MAX391/MAX392/MAX393
♦ TTL- and CMOS-Compatible Logic Inputs

Applications
    Communication Systems
    Battery-Operated Systems
    Signal Routing
    Test Equipment
    Data-Acquisition
    Industrial and Process Control Systems
    Avionics
    Redundant/Backup Systems