ADM695AR

Supervisors Overview

The ADM695AR is a microprocessor supervisory circuit manufactured by Analog Devices Inc., designed for comprehensive power supply monitoring and battery control in embedded systems. It integrates multiple functions including voltage supervision, watchdog timing, and backup switching within a single chip. The device operates with a maximum supply voltage of 5.5 V and features a threshold voltage of 4.65 V with an overvoltage threshold of 4.73 V. It utilizes a SOIC-16 surface-mount package and supports a reset delay time of 200 ms. The component maintains a typical operating supply current of 1.95 mA and ensures accuracy of 1.7%. It functions reliably across a temperature range from -40°C to +85°C.

Supervisors Feature Summary

• Integrates complete microprocessor system protection including voltage monitoring, watchdog timer, and automatic battery backup switchover on a single chip.
• Provides precise voltage supervision with low switch-on resistance during normal operation and high current drive capability for backup modes.
• Features extremely fast gating of chip enable signals to ensure rapid response to power anomalies and system state changes.

Supervisors Applications

• Microprocessor systems requiring integrated power management
• Computer hardware and controller boards
• Automotive electronic systems

Supervisors Procurement Notes

Verify the specific suffix 'AR' against official Analog Devices documentation to confirm the exact package type and temperature grade. Confirm availability status as distribution channels may list limited stock or obsolete status. Ensure the selected variant matches the required PCB footprint and thermal specifications for the target application environment.

Supervisors Selection Notes

Select this component when a unified solution for voltage supervision, watchdog functionality, and battery backup is required. Compare the SOIC-16 package constraints against available board space. Evaluate the 1.95 mA operating current against system power budgets. Verify that the 4.65 V threshold aligns with the specific logic levels of the monitored microprocessor.

Supervisors Part Context

This part belongs to the ADM690–ADM695 family of supervisory circuits from Analog Devices. These devices are engineered to replace legacy components while offering superior performance specifications over extended temperature ranges. The family provides configurable options for various microprocessor architectures, ensuring compatibility with standard CMOS logic interfaces and power requirements.

Supervisors Replacement Considerations

Check for direct pin-compatible alternatives within the ADM69x series. Verify if MAX695 equivalents meet the specific electrical parameters and package dimensions required for the existing design without modification.