MAX4533EWP

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4533EWP is a quad, single-pole/double-throw (SPDT) analog switch manufactured by Analog Devices Inc./Maxim Integrated. It features fault-protected inputs and Rail-to-Rail signal handling capabilities. The device operates from dual ±4.5V to ±18V power supplies or a single +9V to +36V supply. On-resistance is specified at a maximum of 175Ω with channel matching up to 10Ω max. Off-leakage current is typically 0.5nA at +25°C. The component is housed in a 20-pin Wide SO package and supports an operating temperature range of -40°C to +85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Rail-to-Rail signal handling allows signals to pass through the switch even when they exceed the power-supply rails.
• Fault protection on NO_ and NC_ terminals withstands overvoltage faults up to ±40V with power off and ±25V with power on.
• During fault conditions, the output clamps to the appropriate polarity supply rail without transition glitches.
• TTL/CMOS-compatible logic inputs ensure compatibility with standard digital logic levels.

Analog Switches, Multiplexers, Demultiplexers Applications

• Redundant and backup systems
• Portable instruments
• Test equipment
• Data-acquisition systems
• Communications systems

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific ordering suffix EWP corresponds to the 20-pin Wide SO package and the industrial temperature grade (-40°C to +85°C). Confirm RoHS compliance status for the specific revision. Ensure the source document matches the manufacturer's official datasheet for the MAX4533 series to validate pinout and electrical characteristics before procurement.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when high-voltage fault protection is required on analog signal paths. The wide supply voltage range accommodates both single and dual supply designs. Verify that the 175Ω maximum on-resistance meets the application's signal integrity requirements. Ensure the logic input thresholds align with the system's control voltage levels.

Analog Switches, Multiplexers, Demultiplexers Part Context

The MAX4533 is part of a family of fault-protected analog switches designed for robust signal routing. It is pin-compatible with industry-standard parts like the MAX333 and MAX333A, facilitating direct upgrades in existing designs. The E variant specifically denotes the extended temperature range suitable for industrial environments.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Direct pin-compatible replacements include the MAX4533CAP and MAX4533CPP, though these differ in package type and temperature range. Cross-referencing with the MAX333 or MAX333A is possible due to pin compatibility, but verify electrical specifications such as on-resistance and leakage currents to ensure functional equivalence.