ADM691ARZ-REEL7

Supervisors Overview

The ADM691ARZ-REEL7 is a voltage supervisory circuit manufactured by Analog Devices Inc., designed for monitoring single-input power rails. It operates within 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. The device provides a reset delay time of 200 ms and includes a watchdog timer function. It utilizes an open-drain output type and lacks manual reset capability. The component is housed in a SOIC-16 package, suitable for surface mount installation, and supports battery backup switching. It functions across a temperature range from -40 C to +85 C.

Supervisors Feature Summary

• Integrates a watchdog timer for system reliability monitoring
• Supports battery backup switching for continuous operation during power transitions
• Features power failure detection capabilities
• Includes chip enable signal functionality

Supervisors Applications

• Microprocessor system supervision
• Power supply monitoring in embedded systems
• Battery backup switching applications

Supervisors Procurement Notes

Verify the specific suffix REEL7 against official Analog Devices documentation to confirm packaging configuration. Confirm current lifecycle status as the product may be obsolete or subject to discontinuation. Ensure compatibility with existing PCB footprints for SOIC-16 packages. Cross-reference electrical parameters such as threshold voltages and reset delays with the latest datasheet to validate design requirements.

Supervisors Selection Notes

Select this component when a single-input voltage supervisor with integrated watchdog functionality is required. Consider the SOIC-16 package size and operating temperature range for environmental constraints. Evaluate the need for battery backup switching and power failure detection features. Verify that the open-drain output type aligns with the downstream logic interface requirements.

Supervisors Part Context

This part belongs to the ADM691 series of supervisory circuits from Analog Devices. It is specifically identified by the ARZ suffix indicating the industrial temperature grade and SOIC-16 package, and the REEL7 suffix denoting tape and reel packaging. The series is designed for CMOS process integration, offering low power consumption and precise voltage monitoring for digital systems.

Supervisors Replacement Considerations

Check for ADM691AARNZ-REEL7 as a potential alternative within the same family, noting differences in package type if applicable. Verify functional equivalence regarding watchdog and reset parameters before substitution.