Analog Devices Inc. ADM690AARNZ Microprocessor Supervisory Circuit

The ADM690AARNZ is a high-performance microprocessor supervisory circuit designed by Analog Devices Inc. to monitor power supplies in microprocessor systems. It provides a significant level of protection for your digital systems, ensuring that your microprocessors and other sensitive digital components operate within safe parameters.

Key Features

• Power Supply Monitoring: This device ensures that the system's power supply remains within acceptable limits, providing a reset output during power-up, power-down, and brownout conditions.
• Reset Output: The reset output remains operational with VCC as low as 1.3V, allowing the system to reset reliably under low voltage conditions.
• Backup Battery Switchover: The ADM690AARNZ includes a backup battery switchover function that enables the circuit to switch to a backup battery automatically in the event of a primary power failure.
• Watchdog Timer: A built-in watchdog timer helps prevent system failures by resetting the microprocessor if it fails to strobe within a preset time frame.
• Low Power Consumption: With its low power consumption, the device is ideal for power-sensitive applications, ensuring minimal impact on the overall power budget of the system.

Applications

The ADM690AARNZ is versatile and can be used in a wide range of applications, including:

• Microprocessor systems
• Computers and computer peripherals
• Embedded systems
• Industrial controllers
• Intelligent instruments

Technical Specifications

The device comes in a compact package and offers the following technical specifications:

• Supply Voltage Range: 4.65V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage: Typically 4.65V
• Package: 16-lead Narrow SOIC

The ADM690AARNZ from Analog Devices Inc. is a reliable and robust solution for managing power supply and processor supervision in critical digital systems. With its combination of features, it ensures that your devices run smoothly and are protected from power-related issues, contributing to the longevity and reliability of your electronic products.