MAX804SEPA+

Supervisors Overview

The MAX804SEPA+ is a microprocessor supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 1 V to 5.5 V and features a threshold voltage of 3.085 V with an overvoltage threshold of 3.14 V. The device provides a reset delay time of 200 ms and consumes a typical operating supply current of 50 uA. It is housed in an 8-pin PDIP-Narrow package and supports industrial temperature ranges from -40°C to +85°C.

Supervisors Feature Summary

• Integrates watchdog timer functionality for system reliability monitoring
• Includes battery backup switch capability for continuous supervision during power transitions
• Offers open-drain output configuration compatible with active high or low logic levels

Supervisors Applications

• Microprocessor power supply monitoring
• Battery-backed system supervision
• Watchdog timer implementation in embedded controllers

Supervisors Procurement Notes

Verify component authenticity through authorized distributors due to limited availability status. Confirm package integrity and pin alignment prior to integration. Review latest datasheet revisions for any functional updates or handling instructions specific to this supervisory circuit variant.

Supervisors Selection Notes

Select this component when precise 3.085 V threshold detection is required alongside integrated watchdog and backup features. Ensure compatibility with 1 V to 5.5 V supply rails and verify that open-drain outputs align with downstream logic requirements. Consider thermal performance within the specified operating temperature range.

Supervisors Part Context

Part of the MAX804S series, designed for robust voltage supervision in digital systems. Differentiated by its combination of watchdog, backup, and manual reset capabilities within a compact 8-pin package. Serves as a critical reliability component in microprocessor-based designs requiring automated fault recovery.

Supervisors Replacement Considerations

MAX804TCSA+

Supervisors FAQ

Does the MAX804SEPA+ include a manual reset input?

No, the MAX804SEPA+ does not feature a manual reset input; it relies on automatic supervision and watchdog triggering.

What is the maximum supply voltage for this supervisory circuit?

The maximum supply voltage rating is 5.5 V, allowing operation across standard 3.3 V and 5 V logic systems.