MAX803ZEXR

Supervisors Overview

The MAX803ZEXR is a 3-pin microprocessor reset circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 2.63V to 5.5V and features a threshold voltage of 2.93V with an accuracy of 1.5%. The device provides a reset delay time of 240ms and draws a typical operating supply current of 17µA. It utilizes an SC-70-3 package and supports an active low, open-drain output type. The component functions without manual reset or watchdog timer capabilities.

Supervisors Feature Summary

• Provides reliable power-supply supervision for microprocessor systems
• Ensures correct system initialization through defined reset timing
• Maintains low power consumption during active monitoring

Supervisors Applications

• Microprocessor reset circuits
• Voltage supervisory applications
• Portable equipment power management

Supervisors Procurement Notes

Verify the specific suffix against official documentation to confirm exact electrical characteristics and packaging details. Confirm availability status as distribution channels may vary. Ensure compatibility with existing board designs regarding pinout and thermal requirements before finalizing procurement decisions.

Supervisors Selection Notes

Select this component when a compact solution for voltage monitoring is required. Consider the open-drain output configuration for interfacing with various logic families. Evaluate the 240ms delay against system startup requirements to ensure adequate stabilization time for connected components.

Supervisors Part Context

This part belongs to the MAX803S series of very low supply current 3-pin microprocessor reset monitors. These devices are designed to monitor voltage levels in battery-powered and portable applications where space and power efficiency are critical constraints.

Supervisors Replacement Considerations

Consult official datasheets for cross-reference information. Verify that any substitute maintains identical threshold voltages and package dimensions to ensure mechanical and electrical compatibility.