ADM693AR

Supervisors Overview

The ADM693AR is a CMOS voltage supervisory circuit manufactured by Analog Devices Inc. It operates within a supply voltage range of 4.5 V to 5.5 V and monitors a single input channel. The device features an open-drain output type and includes a watchdog timer with a reset delay time of 200 ms. It supports battery backup switching and power-fail detection capabilities. The component is housed in a SOIC-16 package and functions without manual reset inputs. Operating temperatures range from -40°C to +85°C, with a typical operating current of 1.95 mA and a maximum power dissipation of 600 mW.

Supervisors Feature Summary

• Integrated watchdog timer for system reliability monitoring
• Battery backup switching capability for continuous supervision during power transitions
• Power-fail detection output for fault signaling
• CMOS technology ensuring low power consumption

Supervisors Applications

• Microprocessor system supervision
• Portable equipment power management
• Industrial control systems requiring voltage monitoring

Supervisors Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout compatibility and electrical characteristics. Ensure the procurement source provides valid RoHS compliance data. Confirm that the SOIC-16 package matches the target PCB footprint requirements before finalizing orders.

Supervisors Selection Notes

Select this component when a single-channel supervisor with integrated watchdog functionality is required for 5V logic systems. Consider the 200 ms reset delay and open-drain output configuration for interface compatibility. Evaluate the operating temperature range against environmental conditions to ensure reliable performance within the specified limits.

Supervisors Part Context

The ADM693A series belongs to Analog Devices' portfolio of voltage supervisory circuits designed for microprocessor applications. These devices provide essential protection by monitoring supply voltages and managing system resets. The ADM693AR variant specifically utilizes surface-mount packaging for automated assembly processes.

Supervisors FAQ

Does the ADM693AR support manual reset inputs?

No, the ADM693AR does not include manual reset functionality.

What is the output configuration of the ADM693AR?

The device features an open-drain output type.