The ADM693AANZ is a high-quality microprocessor supervisory circuit designed and manufactured by Analog Devices Inc. This robust component is engineered to monitor power supply voltages in microprocessor systems, providing a reliable safeguard against system failure due to power fluctuations or outages.

Key Features

• Power Supply Monitoring: The ADM693AANZ ensures that the power supply remains within acceptable voltage thresholds, triggering a system reset if necessary to prevent data corruption.
• Automatic Reset Generation: Upon detection of an out-of-tolerance power supply, the device generates a reset signal that remains active for a minimum of 200ms after the supply has returned to an acceptable level, ensuring system stability.
• Backup Battery Switchover: In the event of a primary power failure, the ADM693AANZ seamlessly switches to a backup battery, maintaining power to volatile memory.
• Low Power Consumption: Designed for efficiency, it consumes minimal power, making it suitable for battery-powered applications.
• Watchdog Timer: The integrated watchdog timer provides an additional layer of system reliability by resetting the microprocessor if it fails to stroke the watchdog within a preset timeout period.
• Fail-Safe Output: The reset output is guaranteed to remain in the correct state for VCC down to 1V, ensuring fail-safe operation even during low power conditions.

Applications

The ADM693AANZ is versatile and can be employed in a wide array of applications where system reliability and integrity are paramount. It is particularly well-suited for:

• Microprocessor systems
• Computers and computer peripherals
• Embedded systems
• Industrial controls
• Portable equipment

Technical Specifications

The ADM693AANZ operates over a supply range of 4.65V to 5.5V and is available in an 8-pin PDIP (Plastic Dual In-line Package). It features an active-low reset output and is specified over the commercial temperature range of 0°C to 70°C.

Ordering Information

For purchasing the ADM693AANZ, reference the Analog Devices Inc. part number ADM693AANZ. Consult the manufacturer's datasheet for detailed specifications and ensure compatibility with your application before ordering.