MAX4663CWE+

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4663CWE+ is a quad single-pole single-throw (SPST) CMOS analog switch housed in a 16-pin Wide SOIC package. It features a maximum on-resistance of 2.5Ω with guaranteed matching and flatness of 0.5Ω across the signal range. The device supports single supplies from +4.5V to +36V or dual supplies from ±4.5V to ±20V, with TTL/CMOS-compatible logic inputs. Operating temperature ranges from 0°C to +70°C. Key electrical parameters include 5nA maximum off-leakage current at +85°C, 200mA continuous switch current, and 300pC charge injection.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Guaranteed break-before-make switching prevents signal shorting during transitions
• Rail-to-rail analog signal handling capability for full supply range operation
• Low on-resistance ensures minimal signal attenuation and distortion
• TTL/CMOS-compatible control inputs simplify interface design

Analog Switches, Multiplexers, Demultiplexers Applications

• Reed relay replacement in automated test equipment
• Audio-signal routing and PBX systems
• Data acquisition and ADC systems
• Sample-and-hold circuits

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the component authenticity by checking the manufacturer's marking against official datasheet specifications. Confirm the package type matches the required footprint and ensure the operating temperature range meets the application requirements. Cross-reference the ordering suffix to confirm the specific variant and packaging details before finalizing procurement.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when low on-resistance and rail-to-rail signal handling are critical. Ensure the supply voltage range aligns with the system design. Consider the break-before-make feature if sequential switching is required. Verify that the thermal dissipation capabilities are sufficient for the expected load currents and ambient temperatures.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the MAX4661/MAX4662/MAX4663 family of quad SPST analog switches. The MAX4663 specifically combines two normally closed and two normally open switches. Other variants in the series differ in switch configuration or temperature range but share similar electrical characteristics and pinouts.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Direct functional substitutes within the same family include MAX4661CWE+ and MAX4662CWE+. These parts share identical pinouts and electrical specifications but differ in switch configuration (all NC or all NO). Verify compatibility with existing PCB layouts and control logic polarities.

Analog Switches, Multiplexers, Demultiplexers FAQ

What is the maximum on-resistance flatness specified for this device?

The on-resistance flatness is guaranteed to be 0.5Ω maximum over the specified signal range.

Does the MAX4663 support break-before-make switching?

Yes, the MAX4663 features guaranteed break-before-make switching to prevent signal shorting between channels.

What is the logic supply voltage requirement?

The logic supply pin (VL) allows for TTL/CMOS compatibility, typically operating at +5V, while the analog supply can range from +4.5V to +36V.