ADM802MARNZ

Supervisors Overview

The ADM802MARNZ is a microprocessor supervisory circuit manufactured by Analog Devices Inc. It operates within a supply voltage range of 1.8 V to 5.5 V and features a threshold voltage of 4.4 V. The device provides a reset delay time of 200 ms and includes an integrated watchdog timer with a timeout period of 1.25 seconds. It utilizes an open-drain output type and supports manual reset functionality. The component is housed in an 8-SOIC package and is designed for surface mount installation. It functions as a voltage supervisor to monitor power supply integrity.

Supervisors Feature Summary

• Integrates a watchdog timer for system reliability monitoring
• Supports manual reset input for user-initiated control
• Features low standby current consumption for power efficiency

Supervisors Applications

• Microprocessor power supply supervision
• Embedded system reset generation
• Battery-powered device voltage monitoring

Supervisors Procurement Notes

Verify the specific suffix 'NZ' indicates RoHS compliance and halogen-free status according to the manufacturer's datasheet. Confirm the package variant matches the required 8-SOIC footprint. Check for any obsolescence notices or lifecycle status updates from Analog Devices prior to finalizing procurement plans.

Supervisors Selection Notes

Select this component when a dedicated supervisory circuit with an integrated watchdog timer is required. Ensure the monitored voltage level aligns with the 4.4 V threshold specification. Verify that the open-drain output configuration is compatible with the downstream logic interface requirements of the target application design.

Supervisors Part Context

This part belongs to the ADM802 series of microprocessor supervisory circuits from Analog Devices. These devices are designed to provide reliable reset signals and system protection for digital logic families. The series typically offers various threshold voltages and package options to suit different embedded system architectures and power management needs.

Supervisors Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify pin compatibility and electrical parameter equivalence before considering alternative part numbers.