MAX4568EUK-T

Analog Switches, Multiplexers, Demultiplexers Overview

The MAX4568EUK-T is a single-pole/single-throw (SPST) normally open analog switch manufactured by Analog Devices Inc./Maxim Integrated. It operates from a single +1.8V to +12V supply and features ±15kV ESD protection on the NO/NC terminals. The device provides an on-resistance of 70Ω at +5V and 120Ω at +3V, with a maximum channel-to-channel match of 2Ω and flatness of 4Ω. Off-leakage current is typically 0.5nA at +25°C. Switching times include a turn-on time of up to 150ns and a turn-off time of up to 80ns at +5V. It utilizes a 5-pin SOT23 package.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Provides ±15kV electrostatic discharge protection on signal terminals without latchup or damage.
• Supports rail-to-rail analog signal handling across the full supply voltage range.
• Ensures TTL and CMOS logic compatibility when operating with a single +5V supply.
• Features industry-standard pin-outs compatible with legacy MAX4514/MAX4515 devices.

Analog Switches, Multiplexers, Demultiplexers Applications

• High-ESD environments requiring robust signal protection
• Battery-powered systems utilizing low-voltage operation
• Audio and video signal routing circuits
• Low-voltage data-acquisition systems

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm tape-and-reel packaging and lead-free status. Ensure the component matches the required temperature range and package type for your design specifications before finalizing procurement orders.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component for applications requiring SPST switching with high ESD immunity. Verify that the system's power supply remains within the +1.8V to +12V range. Confirm that the logic input thresholds align with the driving circuit's voltage levels to ensure reliable switching performance.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the MAX4561/MAX4568/MAX4569 family of low-voltage, ESD-protected analog switches. While the MAX4561 offers SPDT functionality in a 6-pin package, the MAX4568 provides SPST normally-open switching in a compact 5-pin SOT23 form factor, sharing similar electrical characteristics with its counterparts.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

The MAX4568 is pin-compatible with the MAX4514 and MAX4515. Designers replacing these legacy components should verify that the new device meets the specific on-resistance and leakage requirements of the original application.

Analog Switches, Multiplexers, Demultiplexers FAQ

How does the MAX4568 handle overvoltage events?

The device incorporates bidirectional SCRs on the NO/NC terminals that bypass surge currents safely to ground when voltages exceed the supply rails, providing superior protection compared to standard diode clamps.

What are the logic input thresholds for the MAX4568?

The device specifies a logic high threshold (VIH) of 2.4V and a logic low threshold (VIL) of 0.8V when powered by a +5V supply, ensuring compatibility with standard TTL and CMOS logic families.

Is the MAX4568 suitable for high-voltage single-supply operation?

Yes, the switch supports single-supply operation up to +12V. However, designers should bypass the V+ pin with a minimum 0.1µF capacitor close to the device when operating near the upper voltage limits.