ADM13305-18ARZ

Supervisors Overview

The ADM13305-18ARZ is a dual voltage supervisory circuit manufactured by Analog Devices Inc., housed in an 8-pin SOIC surface-mount package. It supports a maximum supply voltage of 5.5 V and monitors two independent inputs with adjustable thresholds ranging from 0.6 V to 3 V. The device features a manual reset capability, a watchdog timer, and configurable outputs including active high, active low, and push-pull drivers. A standard reset delay time of 200 ms is provided, with a maximum reset activity duration of 280 ms. It operates within a temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Dual-channel voltage supervision with independently adjustable monitoring thresholds
• Configurable output drive modes supporting active high, active low, and push-pull configurations
• Integrated manual reset functionality for system control flexibility
• Built-in watchdog timer for automated fault recovery

Supervisors Applications

• Portable electronic devices requiring multi-rail power management
• Industrial control systems needing redundant voltage supervision
• Embedded systems utilizing programmable clock synchronization
• Battery-powered equipment with manual reset requirements

Supervisors Procurement Notes

Verify current availability status as the component may be subject to limited supply or special order constraints through distributors like Mouser. Confirm RoHS compliance details and ensure the specific suffix matches design requirements. Cross-reference datasheet specifications against application needs before finalizing procurement decisions.

Supervisors Selection Notes

Select this component when dual independent voltage monitoring is required with flexible output polarity options. The adjustable threshold range accommodates various logic levels. Ensure the 5.5 V maximum supply rating aligns with the system's highest rail. Consider the 200 ms reset delay and watchdog features for robust system stability in noisy environments.

Supervisors Part Context

This part belongs to the ADM13305 family of supervisory circuits from Analog Devices. It shares functional similarities with variants like the ADM13305-4ARZ but differs in specific threshold settings and configuration options. The series is designed for compact surface-mount applications requiring precise voltage monitoring in space-constrained designs.

Supervisors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing board layouts and pinouts if considering alternative dual-supervisor ICs from other manufacturers.