MAX4632CSE

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4632CSE is a high-voltage, dual analog switch featuring fault-protected inputs and Rail-to-Rail signal handling capabilities. It contains two normally open/normally closed single-pole/double-throw (SPDT) switches housed in a 16-pin Narrow SO package. The device operates with dual power supplies ranging from ±4.5V to ±18V or a single supply between +9V and +36V. On-resistance is 85 Ω maximum at +25°C, with channel matching up to 6Ω maximum. Off-leakage current is 0.5nA at +25°C and 5nA at +85°C. Turn-on time is 150ns maximum and turn-off time is 100ns maximum.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Fault protection on NO_ and NC_ terminals prevents damage during overvoltage events while clamping the COM_ output to the appropriate supply voltage.
• Rail-to-Rail signal handling allows signals within or slightly beyond the supply rails to pass through the switch without transition glitches.
• Pin-compatible with industry-standard DG401/DG403/DG405 devices for easy upgrades.
• TTL- and CMOS-logic compatible inputs ensure compatibility with standard logic families.

Analog Switches, Multiplexers, Demultiplexers Applications

• Automated Test Equipment
• Data Acquisition Systems
• Industrial and Process Control Systems
• Avionics
• Redundant/Backup Systems

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix 'CSE' corresponds to the commercial temperature range of 0°C to +70°C and the 16-pin Narrow SOIC package. Confirm that the application requires SPDT configuration rather than SPST or DPST variants. Ensure input signals do not exceed the ±25V fault protection limit when powered by ±15V supplies.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when high-voltage fault protection and rail-to-rail signal integrity are required. Verify that the ±25V fault protection limit meets the system's transient requirements, as other family members offer ±36V protection. Consider the 85Ω on-resistance for low-current applications where higher resistance is acceptable.

Analog Switches, Multiplexers, Demultiplexers Part Context

The MAX4632CSE belongs to the MAX4631/MAX4632/MAX4633 family of fault-protected analog switches. Unlike traditional series-based fault protection, these devices use parallel FETs to achieve lower on-resistance and true rail-to-rail operation. The CSE variant specifically denotes the commercial temperature range and surface-mount packaging.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

MAX4631CSE: Offers SPST configuration with ±36V fault protection instead of ±25V. MAX4633CSE: Provides DPST configuration with ±36V fault protection. Non-fault-protected equivalents like DG403 may require external protection circuitry.