ADM694SQ

Supervisors Overview

The ADM694SQ is a microprocessor supervisory circuit from the ADM690–ADM695 family, designed for power supply monitoring and battery control. It operates within a voltage range of 4.5 V to 36 V with a threshold voltage of 4.65 V. The device features an open collector output, a 50 ms reset delay, and includes a watchdog timer and battery backup switch. It has a maximum power dissipation of 400 mW and operates between -40°C and +85°C.

Supervisors Feature Summary

• Provides complete single-chip solutions for power supply monitoring and battery control functions
• Integrates a watchdog timer and battery backup switch for system reliability
• Features an open collector output type with a fixed 50 ms reset delay time

Supervisors Applications

• Microprocessor system supervision
• Power supply monitoring in industrial equipment
• Battery control applications

Supervisors Procurement Notes

Verify component authenticity through authorized channels as availability may be limited. Confirm package integrity and pin alignment for CDIP-8 installation. Review datasheet specifications for operating temperature and voltage thresholds to ensure compatibility with target system requirements before integration.

Supervisors Selection Notes

Select this part for applications requiring integrated watchdog and battery backup supervision. Ensure input voltage stays within the 4.5 V to 36 V range. Consider the open collector output configuration for interface compatibility. Verify thermal management needs against the 400 mW power dissipation limit.

Supervisors Part Context

Part of the ADM690–ADM695 family of supervisory circuits by Analog Devices. These devices offer comprehensive monitoring solutions in a single chip format. The ADM694SQ specifically targets systems needing robust voltage supervision with additional watchdog capabilities.

Supervisors Replacement Considerations

Check ADM690, ADM691, ADM692, ADM693, ADM695 variants for functional equivalence. Verify pinout compatibility and threshold voltage differences when substituting.