The MAX709TCPA from Maxim Integrated is a sophisticated microprocessor (µP) supervisory circuit designed to monitor power supplies in µP and digital systems. It provides a significant level of system reliability and accuracy required in critical applications, ensuring the proper operation of the µP by monitoring the power supply voltage.

Key Features

• Precision Voltage Monitoring: The device is engineered to precisely monitor 5V, 3.3V, and other voltage levels, making it versatile for various applications.
• Reset Output: Upon detecting a voltage that is out of tolerance, the MAX709TCPA asserts a reset signal to the µP, holding it in reset for a minimum of 140ms after the voltage returns to an acceptable level.
• Low Power Consumption: It is designed with power efficiency in mind, consuming a low amount of power, which is crucial for battery-operated and energy-conscious applications.
• Manual Reset Input: This feature allows for a manual reset, providing an additional layer of control for system operators or during maintenance procedures.
• Compact Packaging: The device is available in a compact 8-pin DIP package, making it suitable for space-constrained applications.

Applications

The MAX709TCPA is ideal for a wide range of applications where voltage monitoring and system reliability are paramount. It is commonly used in portable/battery-powered equipment, computers, controllers, intelligent instruments, and critical µP power monitoring.

Technical Specifications

• Voltage Threshold Options: Factory-set for 5V, 3.3V, etc.
• Reset Timeout: Minimum of 140ms
• Operating Temperature: -40°C to +85°C
• Package Type: 8-Pin DIP

In summary, the MAX709TCPA from Maxim Integrated is a reliable and efficient solution for voltage monitoring and reset functions in digital systems and microprocessor-based applications. Its precision and low power consumption make it an excellent choice for ensuring system stability and integrity.