MAX4644EUA+T

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4644EUA+T is a single-pole/double-throw (SPDT) CMOS analog switch manufactured by Analog Devices Inc./Maxim Integrated. It operates from a single supply voltage ranging from +1.8V to +5.5V and features low on-resistance of 4Ω maximum at +5V supply. The device ensures rail-to-rail analog-signal range handling with guaranteed on-resistance flatness of 0.75Ω typical at +5V. Switching times are fast, with turn-on time typically 18ns and turn-off time typically 12ns at +5V. Quiescent power consumption is extremely low at 0.01μW typical. It is housed in an 8-pin μMAX package and supports an operating temperature range from -40°C to +85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Single-supply operation from +1.8V to +5.5V
• Low on-resistance with high flatness over the signal range
• Fast switching speeds with break-before-make timing
• Ultra-low quiescent power consumption suitable for portable devices

Analog Switches, Multiplexers, Demultiplexers Applications

• Battery-operated equipment
• Audio and video signal routing
• Low-voltage data-acquisition systems
• Sample-and-hold circuits
• Communications circuits

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific ordering suffix 'T' indicates tape and reel packaging when sourcing this component. Confirm that the '+ ' designation ensures lead-free and RoHS compliance status as per manufacturer specifications. Cross-reference the full part number MAX4644EUA+T against official distributor catalogs to ensure correct package type and temperature grade availability before finalizing procurement orders.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component for applications requiring low voltage operation and minimal power draw. Ensure the analog signal range fits within the single supply rails. Verify that the 4Ω on-resistance meets system impedance requirements. Consider the 8-pin μMAX package dimensions for PCB layout constraints compared to alternative SOT23 packages if space is limited.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the MAX4644 series of high-speed, low-voltage analog switches. It is functionally similar to other SPDT switches in the Maxim portfolio but distinguished by its specific low-power characteristics and single-supply capability. The device is designed to replace older bipolar switches in modern low-voltage digital and analog systems.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Direct substitutes include the MAX4644EUT+T which utilizes a 6-pin SOT23 package instead of the 8-pin μMAX. Designers must verify pin compatibility and footprint changes when transitioning between package types. Other family members may offer different resistance or speed profiles.