ADM800MARNZ-REEL

Supervisors Overview

The ADM800MARNZ-REEL is a voltage supervisory circuit manufactured by Analog Devices Inc., housed in an SOIC-16 surface-mount package. It features a single monitored input with an open-drain output and includes a watchdog timer and battery backup switch functionality. The device operates within a supply voltage range up to 5.5 V, with a threshold voltage of 4.4 V and an overvoltage threshold of 4.5 V. It provides a reset delay time of 200 ms and consumes 100 uA of operating current. The component supports chip enable signals but lacks manual reset capability. It functions reliably across a temperature range from -40 C to +85 C, with a maximum power dissipation of 700 mW.

Supervisors Feature Summary

• Integrates a watchdog timer for system reliability monitoring
• Includes battery backup switch for seamless power transition management
• Features open-drain output configuration for flexible interfacing
• Supports chip enable signal control for power optimization

Supervisors Applications

• Voltage supervision in CMOS process integrated circuits
• System reset generation for microprocessor-based designs
• Watchdog timer implementation in embedded systems
• Battery backup switching in portable electronic devices

Supervisors Procurement Notes

Verify the specific suffix REEL against official documentation to confirm tape-and-reel packaging versus tube variants. Confirm availability status as the base part may be obsolete or limited. Ensure the SOIC-16 package matches design requirements. Cross-reference electrical parameters such as threshold voltage and reset delay with the latest datasheet revision. Validate RoHS compliance details through manufacturer sources before procurement.

Supervisors Selection Notes

Select this component when a supervisory circuit with integrated watchdog and battery backup is required for 5V CMOS applications. Consider the open-drain output and chip enable features for system control flexibility. Verify that the 4.4V threshold and 200ms reset delay align with target system timing constraints. Ensure the SOIC-16 package fits the PCB layout. Check operational temperature range suitability for the intended environment.

Supervisors Part Context

The ADM800 series comprises voltage supervisory circuits designed for monitoring power rails in digital systems. The MARNZ variant specifically denotes the SOIC-16 package and commercial temperature range. This family integrates essential protection features like watchdog timers and battery backup switches, making it suitable for robust system management in industrial and consumer electronics applications requiring reliable power supervision.

Supervisors FAQ

Does the ADM800MARNZ-REEL include a manual reset button?

No, the device does not support manual reset functionality.

What is the output type of the ADM800MARNZ-REEL?

The output type is open-drain.