MAX4643ETA

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4643ETA is a dual single-pole single-throw (SPST) CMOS analog switch manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single supply voltage ranging from 1.8 V to 5.5 V. The device features a maximum on-resistance of 4 Ohms and supports a continuous DC switch current of 50 mA. Key timing specifications include a maximum turn-on time of 15 ns and a maximum turn-off time of 8 ns. It is housed in an 8-pin TDFN surface-mount package and functions within an operating temperature range of -40°C to +85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Dual SPST CMOS analog switching configuration
• Low on-resistance for signal integrity
• Fast switching speeds with nanosecond response times
• Single-supply operation capability

Analog Switches, Multiplexers, Demultiplexers Applications

• Signal routing in data acquisition systems
• Audio and video signal switching
• Communication equipment signal paths
• Test and measurement instrumentation

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required package and temperature grade. Check for RoHS compliance status as indicated in official documentation. Ensure storage conditions meet moisture sensitivity level requirements before reflow soldering.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when low on-resistance and fast switching are critical for dual-channel applications. Compare against other MAX46xx series variants if different channel counts or resistance values are needed. Verify that the 1.8 V minimum supply voltage aligns with the system power rails. Consider the TDFN-8 package constraints for thermal management and PCB layout.

Analog Switches, Multiplexers, Demultiplexers Part Context

The MAX4643 belongs to the Maxim Integrated CMOS analog switch family, designed for high-performance signal switching. It complements other devices like the MAX4613 and MAX4663, which offer different channel counts and resistance profiles. This specific part focuses on balancing low resistance with speed in a compact dual-channel format.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer's datasheet for recommended pin-compatible alternatives within the MAX46xx series.