ADM8690ARNZ

Supervisors Overview

The ADM8690ARNZ is a voltage supervisory circuit manufactured by Analog Devices Inc., designed to monitor power supply integrity in electronic systems. It operates within a maximum supply voltage of 5.5 V and features a fixed reset threshold voltage of 4.65 V. The device provides an active low, push-pull output and includes a watchdog timer for system reliability. It incorporates battery backup switching capabilities and detects power failures. The component functions reliably across an extended temperature range from -40 °C to +85 °C.

Supervisors Feature Summary

• Integrated watchdog timer functionality for automated system recovery
• Battery backup switch mechanism to maintain data during power transitions
• Power failure detection capability for critical voltage monitoring
• Active low push-pull output driver for direct logic interface

Supervisors Applications

• Microprocessor supervisory circuits requiring voltage monitoring
• Systems utilizing watchdog timers for fault recovery
• Portable devices with battery backup switching requirements
• Industrial control units needing power failure detection

Supervisors Procurement Notes

Verify the specific package type and pinout configuration against the official datasheet before integration. Confirm that the operating temperature range meets the environmental requirements of the target application. Ensure compatibility with the system's voltage levels and reset timing constraints. Check for any lead-free or RoHS compliance documentation if required by regulatory standards.

Supervisors Selection Notes

Select this component when a fixed 4.65 V threshold is appropriate for the monitored rail. Consider the SOIC-8 surface mount package for space-constrained designs. Evaluate the 200 uA operating current against power budget constraints. Verify that the manual reset feature absence aligns with the system design philosophy.

Supervisors Part Context

This part belongs to the ADM8690 series of improved microprocessor supervisory circuits. It serves as a successor to earlier models like the ADM690, offering enhanced features such as integrated watchdog timers. The series is designed for reliable power management in digital systems where voltage stability is critical for proper operation.

Supervisors Replacement Considerations

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