ADM8691ARW-REEL

Supervisors Overview

The ADM8691ARW-REEL is a supervisory circuit manufactured by Analog Devices Inc. It features a watchdog timer, battery backup switch, and power-fail detection capabilities. The device operates within a supply voltage range of 4.75 V to 5.5 V and monitors a single input with a threshold of 4.65 V. It provides an open-drain output and includes a chip enable signal. The reset delay time is specified at 200 ms. The component is housed in a 16-pin SOIC package and supports surface mount installation.

Supervisors Feature Summary

• Integrates a watchdog timer for system reliability monitoring
• Includes a battery backup switch function
• Provides power-fail detection with a 4.65 V threshold
• Features an open-drain output type

Supervisors Applications

• Microprocessor supervisory circuits
• Power supply management systems
• Embedded system reset generation

Supervisors Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with the target PCB footprint for the 16-pin SOIC package. Confirm that the operating temperature range meets the application requirements. Check for any lead-free or RoHS compliance certifications required by the project standards before finalizing procurement.

Supervisors Selection Notes

Select this component when a dedicated supervisory circuit with integrated watchdog functionality is required. It is suitable for applications needing precise voltage monitoring at 4.65 V. Consider the open-drain output configuration for interfacing with digital logic. Evaluate the 200 ms reset delay against the system's startup timing constraints. Ensure the 5 V nominal supply voltage aligns with the design specifications.

Supervisors Part Context

This part belongs to the ADM8691 series of supervisory circuits from Analog Devices. These devices are designed to monitor voltage levels and provide reset signals for microprocessors and other digital logic. The series typically includes features like watchdog timers and battery backup switches to enhance system robustness. The ARW suffix indicates a specific package and reel configuration for surface-mount assembly.

Supervisors Replacement Considerations

Public confirmed substitute part numbers: ADM8691ARUZ, ADM8691ANZ.