ADM709LAN

Supervisors Overview

The ADM709LAN is a power supply monitor integrated circuit designed to generate system reset signals during power-up, power-down, and brownout conditions. It features a low quiescent current of 35 mA and ensures the microprocessor remains in reset until VCC rises above the threshold for at least 140 ms. The device operates with VCC as low as 1 V and supports +5 V, +3.3 V, and +3 V supply monitoring levels. It is available in 8-pin DIP and SOIC packages.

Supervisors Feature Summary

• Generates system reset during power-up, power-down, and brownout events
• Maintains reset state for a minimum of 140 ms after voltage exceeds threshold
• Operational down to 1 V supply voltage
• Available in 8-pin DIP and SOIC packages

Supervisors Applications

• Microprocessor systems
• Computers
• Controllers
• Intelligent instruments
• Automotive systems

Supervisors Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or direct manufacturer channels. Confirm package type matches design requirements, as both DIP and SOIC variants exist within the ADM709 family. Check for end-of-life status or obsolescence notices prior to final procurement decisions to ensure long-term supply chain stability.

Supervisors Selection Notes

Select this component when precise monitoring of standard logic supply voltages is required. Ensure the specific threshold variant (+3V, +3.3V, or +5V) aligns with the target power rail. Consider package constraints if board space is limited, favoring SOIC over DIP where applicable. Verify thermal and electrical specifications against system brownout requirements.

Supervisors Part Context

The ADM709 series serves as a legacy power-supply supervisor from Analog Devices, originally derived from Maxim Integrated designs. It provides essential protection for digital circuits by detecting voltage anomalies. This specific part represents one of the threshold options within the broader ADM709 family, offering a cost-effective solution for basic reset generation needs in embedded applications.

Supervisors Replacement Considerations

MAX709LCSA+ is a confirmed substitute within the same product lineage.