MAX4533EWP+T

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4533EWP+T is a quad, single-pole/double-throw (SPDT) analog switch featuring fault protection and rail-to-rail signal handling. It operates from dual ±4.5V to ±18V supplies or a single +9V to +36V supply. The device provides ±25V fault protection with power on and ±40V with power off. On-resistance is 175Ω maximum at ±15V supplies, with channel matching of 10Ω maximum. Off-leakage current is 0.5nA at +25°C and 10nA at +85°C. Logic inputs are TTL/CMOS compatible. The component is housed in a 20-pin Wide SO package and operates within a temperature range of -40°C to +85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Rail-to-Rail signal handling capability
• Fault protection up to ±40V when powered off
• Pin-compatible with industry-standard MAX333/MAX333A

Analog Switches, Multiplexers, Demultiplexers Applications

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

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix EWP+T against official documentation to confirm the wide SOIC package and extended temperature range specifications. Ensure that the ordering information matches the exact part number variant required for your design constraints. Cross-reference the manufacturer's latest datasheet to confirm active status and any potential obsolescence notices before finalizing procurement plans.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when high voltage fault protection is required alongside rail-to-rail signal integrity. Verify that the supply voltage range aligns with the system architecture, as it supports both single and dual supplies. Consider the 175Ω maximum on-resistance and 250ns turn-on time for signal path requirements. Confirm logic level compatibility with the driving circuitry under the intended operating conditions.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the MAX4533 family of quad SPDT analog switches. It serves as a direct pin-compatible replacement for the MAX333 and MAX333A devices. The series is designed for applications requiring robust fault protection without sacrificing signal fidelity across the full supply voltage range.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

The MAX4533EWP+ is a direct pin-compatible substitute for the MAX333 and MAX333A. Verify electrical characteristics match the original design requirements before substitution.

Analog Switches, Multiplexers, Demultiplexers FAQ

How does the MAX4533 handle overvoltage faults?

During a fault condition where input exceeds supply rails, the NO_ and NC_ terminals become high impedance. The COM_ output clamps to the appropriate polarity supply rail, providing up to ±10mA of load current.

What is the logic input compatibility?

All digital inputs have +0.8V and +2.4V logic thresholds, ensuring compatibility with both TTL and CMOS logic when using ±15V supplies or a +12V supply.

Does the device require power-supply sequencing?

No power-supply sequencing is required during power-up or power-down. All switches turn off automatically when power is removed.