ADM709LARZ-REEL

Supervisors Overview

The ADM709LARZ-REEL is a supervisory circuit manufactured by Analog Devices Inc., designed to monitor a single voltage input. It operates within a supply voltage range of 1 V to 5.5 V and features a fixed reset threshold voltage of 4.65 V. The device provides an active-low, push-pull output signal with a minimum reset timeout duration of 140 ms. It is housed in an 8-SOIC surface-mount package and supports an operating temperature range from -40°C to +85°C.

Supervisors Feature Summary

• Monitors a single power supply rail for under-voltage conditions
• Generates a system reset signal upon detection of low voltage events
• Provides a digital output compatible with standard logic families

Supervisors Applications

• Microprocessor and microcontroller power supply supervision
• Battery-powered equipment voltage monitoring
• Portable instrumentation power management

Supervisors Procurement Notes

Verify the specific suffix 'REEL' indicates tape-and-reel packaging rather than tube distribution. Confirm the 'L' grade designation corresponds to the industrial temperature range (-40°C to +85°C) as defined in the official datasheet. Ensure compatibility with the required 4.65 V threshold for the target application voltage.

Supervisors Selection Notes

Select this component when a fixed 4.65 V threshold is required for systems powered between 1 V and 5.5 V. The SOIC-8 package suits space-constrained designs. Verify that the 140 ms reset delay meets the timing requirements of the controlled processor or logic circuit during power-up sequences.

Supervisors Part Context

This part belongs to the ADM709 series of simple reset circuits. It serves as a dedicated voltage supervisor for embedded systems. The device integrates internal hysteresis to prevent output chatter during slow power transitions, ensuring stable operation in noisy environments without external components.

Supervisors Replacement Considerations

Publicly confirmed substitute part numbers include MAX709LESA+ and ADM709MARZ.