ADM692AN

Supervisors Overview

The ADM692AN is a microprocessor supervisory circuit from the ADM690–ADM695 family, designed for power supply monitoring and battery control. It features a precision voltage monitor with a reset threshold of 4.65 V, ensuring reliable system operation. The device includes a watchdog timer, automatic backup battery switchover, and CMOS RAM write protection. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of -40°C to +85°C. The component provides low standby current and high current drive capabilities.

Supervisors Feature Summary

• Integrates complete single-chip solutions for power supply monitoring and battery control functions in microprocessor systems.
• Provides automatic battery backup power switching with low switch-on resistance during normal and backup modes.
• Includes a watchdog timer with selectable timeout periods to prevent software lockups.
• Offers CMOS RAM write protection and power failure warning signals.

Supervisors Applications

• Microprocessor Systems
• Computers
• Controllers
• Automotive Systems

Supervisors Procurement Notes

Verify the specific suffix 'AN' indicates the DIP-8 package variant when sourcing replacements. Confirm RoHS compliance status as legacy parts may have varying environmental certifications. Check manufacturer lifecycle status for availability constraints. Ensure pinout compatibility with existing PCB layouts before integration.

Supervisors Selection Notes

Select this component for applications requiring precise voltage monitoring at 4.65 V thresholds. Consider its integrated watchdog and battery switchover features for robust system reliability. Evaluate thermal performance within the specified industrial temperature range. Compare power consumption metrics against alternative supervisory circuits for efficiency optimization.

Supervisors Part Context

Part of the ADM690–ADM695 family of supervisory circuits by Analog Devices. This series offers configurable options for reset thresholds, watchdog timers, and output types. The ADM692 specifically targets 5V microprocessor systems with defined voltage monitoring requirements.

Supervisors Replacement Considerations

Compatible substitutes include ADM690A, ADM692A, and MAX692 variants. Verify package type and electrical specifications match original design requirements. Cross-reference datasheets for pinout and functional equivalence.