ADM8699ARNZ

Supervisors Overview

The ADM8699ARNZ is a voltage supervisory circuit manufactured by Analog Devices Inc., designed to monitor power supply integrity in electronic systems. It operates within a supply voltage range of 2.0 V to 5.5 V and features a fixed reset threshold voltage of 4.73 V. The device provides an active low, push-pull output signal with a typical reset delay time of 140 ms. It incorporates a built-in watchdog timer for system reliability and includes battery backup switching functionality. The component is housed in an 8-lead SOIC package and supports surface mount installation.

Supervisors Feature Summary

• Integrated watchdog timer for automated system recovery
• Battery backup switch capability for continuous monitoring during power transitions
• Active low push-pull output driver for direct logic interface

Supervisors Applications

• Microprocessor power supply supervision
• Embedded system reset generation
• Battery-operated device power management

Supervisors Procurement Notes

Verify the specific suffix 'ARNZ' to confirm RoHS compliance and lead-free status. Confirm availability as this series may have end-of-life status or limited stock depending on the region. Ensure the 8-SOIC package matches the PCB footprint requirements before ordering.

Supervisors Selection Notes

Select this component when a fixed 4.73 V threshold is required for 5 V logic systems. The integrated watchdog timer eliminates the need for external timing components. Verify that the 140 ms reset delay meets the microprocessor startup timing requirements.

Supervisors Part Context

This part belongs to the ADM869x family of supervisory circuits, which are improved versions of the ADM690 series. The family focuses on providing reliable reset signals with minimal external component count. The ADM8699 variant specifically targets applications requiring a higher threshold voltage compared to other members like the ADM8690.

Supervisors Replacement Considerations

• ADM8698ARN
• ADM709LARZ