MAX4543CSA

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4543CSA is a precision, dual analog switch designed for single +2.7V to +12V supply operation. It features one normally open (NO) and one normally closed (NC) switch, allowing SPDT configuration. The device offers low on-resistance of 60Ω max at +5V, with 2Ω max matching between channels and 6Ω max flatness. Switching speeds are fast, with turn-on time up to 100ns and turn-off time up to 75ns at +5V. Power consumption is minimal at 5µW, and leakage current is 100pA max. It includes guaranteed break-before-make timing and operates within a commercial temperature range of 0°C to +70°C in an 8-pin SO package.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Dual SPST/SPDT analog switches with one NO and one NC channel
• Low power consumption suitable for battery-powered equipment
• Guaranteed break-before-make switching action
• TTL/CMOS logic compatible inputs

Analog Switches, Multiplexers, Demultiplexers Applications

• Battery-operated systems
• Sample-and-hold circuits
• Audio and video switching
• +3V/+5V DACs and ADCs

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix CSA indicates the commercial temperature range and SOIC-8 package. Confirm availability status as distribution channels may vary. Ensure the ordering code matches the required pinout and electrical specifications for the target application design.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when a dual switch with mixed NO/NC functionality is required. It is suitable for applications needing low voltage operation and minimal power draw. Consider the MAX4541 or MAX4542 if both switches need to be identical type. Verify thermal dissipation requirements against the narrow SO package limits.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the MAX4541–MAX4544 family of low-voltage, single-supply analog switches. The MAX4543 specifically provides one NO and one NC switch, distinguishing it from the all-NO MAX4541 and all-NC MAX4542. The family shares similar electrical characteristics but varies in switch configuration and available packages.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Pin-compatible replacements include MAX323, MAX324, and MAX325. Other family members like MAX4541ESA or MAX4542ESA offer different switch configurations but share the same package and general electrical performance profile.