The ADM696ARZ-REEL is a highly reliable microprocessor supervisory circuit developed by Analog Devices Inc., designed to maintain system integrity during power failures or unexpected events in digital systems. It is a crucial component for managing power supplies and ensuring the proper functioning of microprocessors and other sensitive digital circuits.

Key Features

• Power Supply Monitoring: The ADM696ARZ-REEL constantly monitors the power supply voltage and ensures that it remains within acceptable thresholds, providing a reset output during out-of-tolerance conditions.
• Reset Output: The device generates a reset signal when the monitored power supply falls below a predefined threshold, ensuring the microprocessor restarts in a known state.
• Battery Backup Switching: It includes an automatic battery backup switching function that transitions to backup power smoothly without interrupting the supply to the memory when main power is lost.
• Watchdog Timer: A built-in watchdog timer improves system reliability by initiating a system reset if the microprocessor fails to strobe within a preset timeout period.
• Low Power Consumption: This supervisory circuit is optimized for low power consumption, making it suitable for power-sensitive applications.
• Compact Package: It comes in a compact, surface-mount package (SOIC) that is suitable for space-constrained applications.

Applications

The ADM696ARZ-REEL is versatile and can be integrated into a wide range of applications, including:

• Microprocessor systems
• Computers and computer peripherals
• Embedded systems
• Industrial controls
• Portable battery-powered devices

Technical Specifications

The device operates over a wide supply range and offers several technical specifications that make it a robust choice for system designers:

• Supply Voltage Range: 4.65 V to 5.5 V
• Reset Threshold: Factory-trimmed for high accuracy
• Package Type: SOIC-16
• Operating Temperature: -40°C to +85°C
• RoHS Compliant: Yes

With its combination of power supply monitoring, reset management, and battery backup functions, the ADM696ARZ-REEL is an essential component for ensuring the reliable operation of electronic systems in a variety of challenging environments.