ADM691AARWZ-REEL

Supervisors Overview

The ADM691AARWZ-REEL is a voltage supervisory circuit manufactured by Analog Devices Inc., designed for microprocessor monitoring applications. It operates within a maximum supply voltage of 5.5 V and features a threshold voltage of 4.65 V with an overvoltage threshold of 5 V. The device utilizes an open-drain output type and includes a watchdog timer functionality along with battery backup switching capabilities. It does not support manual reset inputs and provides power failure detection. The component is housed in an SOIC-16 package suitable for surface mount technology (SMD/SMT) installation, ensuring reliable performance across various industrial environments.

Supervisors Feature Summary

• Integrates a watchdog timer for system reliability monitoring
• Supports battery backup switching for continuous operation during power transitions
• Provides power failure detection to alert system controllers
• Features an open-drain output interface for flexible logic compatibility

Supervisors Applications

• Microprocessor system supervision
• Power management IC monitoring
• Industrial control systems requiring voltage oversight
• Embedded systems with watchdog requirements

Supervisors Procurement Notes

Verify the specific suffix REEL indicates reel packaging configuration when sourcing. Confirm availability status as limited supply or end-of-life conditions may apply. Ensure the SOIC-16 package matches your PCB footprint requirements. Cross-reference the exact part number with official Analog Devices documentation to confirm electrical specifications match your design needs before procurement.

Supervisors Selection Notes

Select this component when a dedicated voltage supervisor with integrated watchdog functionality is required. The open-drain output allows for easy interfacing with various logic families. Consider the operating temperature range of -40 C to +85 C for environmental suitability. Verify that the 5.5 V maximum supply voltage aligns with your system's power rails. The absence of a manual reset input should be accounted for in the system design.

Supervisors Part Context

This part belongs to the ADM691A series of voltage supervisory circuits from Analog Devices. It is specifically the reel-packaged version of the ADM691AARWZ. The series is designed for robust monitoring in CMOS process technologies. It shares core functionalities with other variants in the family but differs in packaging and potentially minor electrical characteristics depending on the specific suffix.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.