MAX4603EAE+

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4603EAE+ is a quad SPST CMOS analog switch featuring two normally closed and two normally open channels in a 16-pin SSOP package. It operates from single supplies of +4.5V to +36V or dual supplies of ±4.5V to ±20V. Key electrical parameters include a maximum on-resistance of 2.5Ω, matched on-resistance of 0.5Ω max, and off-leakage current of 2.5nA max at +85°C. The device supports rail-to-rail signal handling and TTL/CMOS-compatible logic inputs.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Low on-resistance with guaranteed matching and flatness over the specified signal range
• Rail-to-rail analog signal handling capability
• TTL/CMOS-compatible control inputs for direct interface with standard logic families

Analog Switches, Multiplexers, Demultiplexers Applications

• Reed relay replacement in automatic test equipment
• Audio-signal routing systems
• Communication systems and PBX/PABX applications
• Avionics signal switching

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the component marking against the datasheet pinout and ordering information. Confirm the suffix 'E' indicates the -40°C to +85°C industrial temperature range and 'AE' denotes the 16-lead SSOP package. Ensure the '+'' suffix confirms lead-free compliance as per manufacturer standards.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select the MAX4603 variant specifically when a mixed configuration of two normally closed and two normally open switches is required within a single package. This model serves as an alternative to mechanical relays where board space reduction and reliability are prioritized over high-frequency isolation performance above 5MHz.

Analog Switches, Multiplexers, Demultiplexers Part Context

This component belongs to the MAX4601/MAX4602/MAX4603 family of quad analog switches manufactured by Maxim Integrated (now Analog Devices). While the MAX4601 offers four normally closed switches and the MAX4602 provides four normally open switches, the MAX4603 combines both types to provide flexible signal path configurations in a compact form factor.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Direct functional substitutes within the same family include the MAX4601EAE and MAX4602EAE, though their switch polarity differs. For higher frequency applications requiring better off-isolation above 5MHz, the MAX440, MAX441, or MAX442 series are recommended alternatives.