MAX4646EUA

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4646EUA is a single-pole, single-throw (SPST) normally closed analog switch manufactured by Analog Devices Inc./Maxim Integrated. It operates from a +1.8V to +5.5V single supply and features a typical on-resistance of 2.5Ω at +5V. The device supports rail-to-rail analog signals with an off-leakage current of 0.25nA maximum at +25°C. Switching speeds include a turn-on time of 12ns and a turn-off time of 8ns. It is housed in an 8-pin µMAX package and functions within a temperature range of -40°C to +85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Normally closed SPST configuration for low-distortion signal routing
• Rail-to-rail output capability over the full supply voltage range
• TTL/CMOS logic compatible inputs for direct interfacing
• Low power consumption suitable for battery-powered systems

Analog Switches, Multiplexers, Demultiplexers Applications

• Battery-powered systems requiring low-voltage operation
• Audio and video signal routing applications
• Low-voltage data-acquisition systems
• Sample-and-hold circuits
• Communications circuits and relay replacement

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and temperature range. Ensure compatibility with single-supply voltages between 1.8V and 5.5V. Confirm that the normally closed state aligns with system requirements before integration. Cross-reference pin configurations for the 8-pin µMAX package during layout design.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component for applications requiring fast switching and low on-resistance under low-voltage conditions. Consider the normally closed default state when designing fail-safe or default-path circuitry. Evaluate thermal dissipation limits if operating near the upper temperature boundary. Verify logic input thresholds match the driving source voltage levels.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the MAX4645/MAX4646 family of fast, low-voltage CMOS analog switches. The MAX4646 variant specifically provides a normally closed switch, contrasting with the MAX4645's normally open configuration. Both share identical electrical characteristics and packaging options, differing only in their default switch state.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Direct functional substitutes within the same family include the MAX4645EUA, which offers the same specifications but with a normally open configuration instead of normally closed.