ADM800LARN

Supervisors Overview

The ADM800LARN is a voltage supervisory circuit manufactured by Analog Devices Inc., designed for CMOS processes. It operates within a supply voltage range of 2.7 V to 5.5 V and features a threshold voltage of 4.4 V. The device provides one monitored input with an active low, push-pull output type. Key timing parameters include a reset delay time of 280 ms. It incorporates a watchdog timer and battery backup switch functionality without manual reset capability. The component supports chip enable signals and power failure detection, with a maximum power dissipation of 700 mW. Operating temperatures range from -40 C to +85 C.

Supervisors Feature Summary

• Integrates watchdog timer and battery backup switch for system reliability
• Provides power failure detection with chip enable signal support
• Features active low push-pull output for direct logic interfacing

Supervisors Applications

• CMOS process voltage supervision
• System reset monitoring in embedded electronics
• Watchdog timer implementation in microcontroller circuits

Supervisors Procurement Notes

Verify availability status as the part may be subject to limited supply or factory special order conditions. Confirm RoHS compliance details and specific package variants against official datasheets before procurement. Ensure compatibility with existing design constraints regarding operating temperature and supply voltage ranges.

Supervisors Selection Notes

Select this component when a dedicated voltage supervisor with integrated watchdog and backup switching is required for CMOS applications. Consider the 4.4 V threshold and 280 ms reset delay for timing-sensitive designs. Evaluate the SOIC-16 package suitability for surface mount assembly requirements.

Supervisors Part Context

The ADM800LARN belongs to the ADM800 series of supervisory circuits from Analog Devices. This series focuses on providing reliable voltage monitoring and system protection functions for digital electronics. The LARN suffix typically denotes specific package and temperature grade variations within the product line.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official cross-reference tools or manufacturer guidelines for potential alternatives if this specific part number is unavailable.