The MAX708REUA+ from Maxim Integrated is a compact, highly reliable supervisory circuit designed to monitor power supplies in microprocessor systems. It provides a significant layer of protection to ensure that the system operates within safe parameters. This device is an essential component for applications requiring precise voltage monitoring and processor management.

Key Features

• Precision Voltage Monitoring: The MAX708REUA+ monitors the supply voltage and maintains system integrity by asserting a reset signal whenever the voltage drops below a predetermined threshold.
• Manual Reset: It includes a manual reset input that allows for an external trigger to initiate a system reset, providing additional control to the user or system administrator.
• Low Power Consumption: With its low power consumption, this supervisory circuit is ideal for power-sensitive applications, ensuring minimal impact on the overall energy usage of the system.
• Watchdog Timer: A built-in watchdog timer keeps the system in check by resetting the microprocessor if it fails to stroke within a preset timeframe, thus preventing system lock-up.
• Wide Operating Temperature Range: The device is designed to function over a broad temperature range, making it suitable for various industrial and commercial environments.

Applications

The MAX708REUA+ is versatile and can be used in multiple applications, including:

• Computers and Controllers
• Embedded Systems
• Portable/Battery-Powered Equipment
• Intelligent Instruments
• Critical μP Power Monitoring

Technical Specifications

Some technical specifications of the MAX708REUA+ include:

• Supply Voltage Range: 4.0V to 5.5V
• Reset Threshold Voltage: Typically 4.65V
• Reset Timeout: Typically 200ms
• Watchdog Timeout: 1.6s
• Operating Temperature: -40°C to +85°C
• Package Type: 8-Pin µMAX

Overall, the MAX708REUA+ is a reliable solution for systems that require vigilant monitoring and protection against power supply anomalies, ensuring the longevity and stability of critical applications.