MAX6731UTZD3+

Supervisors Overview

The MAX6731UTZD3+ is a single-voltage microprocessor supervisory circuit manufactured by Analog Devices Inc. (Maxim Integrated). It monitors one fixed voltage input with a threshold range of 0.9V to 5V and features an adjustable reset input for voltages down to 0.63V. The device provides an active-low open-drain reset output and includes a watchdog timer with independent output. It operates within a supply voltage range of 0.8V to 5.5V, supports multiple reset timeout periods from 1.1ms to 1120ms, and functions across temperatures from -40°C to +85°C in a SOT-23-6 package.

Supervisors Feature Summary

• Integrates single fixed voltage monitoring with an adjustable reset input for flexible system supervision
• Includes a watchdog timer with independent output to prevent system lockup during code execution errors
• Features manual reset capability allowing external assertion of the reset signal

Supervisors Applications

• Microprocessor power supply monitoring
• System reliability enhancement in embedded controllers
• Watchdog timer implementation for code execution error prevention

Supervisors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check current lifecycle status as availability may be limited. Ensure packaging specifications match design requirements before procurement.

Supervisors Selection Notes

Select this component when single-channel voltage supervision with watchdog functionality is required. Consider the adjustable reset input for monitoring lower voltage rails. Verify that the SOT-23-6 package fits the board layout constraints and that the operating temperature range meets environmental specifications.

Supervisors Part Context

Part of the MAX6730–MAX6735 family of single/dual/triple-voltage μP supervisors. Shares common features like watchdog timers and manual reset with siblings such as MAX6730 and MAX6732. Designed to replace discrete components for improved accuracy and reduced bill of materials.

Supervisors Replacement Considerations

Check MAX6730UTZD3+T for similar single-voltage supervision. Verify MAX6731AUTVD3+T for extended temperature range options if needed. Confirm pinout compatibility and electrical parameters before substitution.