Maxim Integrated MAX701ESA+ Microprocessor Supervisory Circuit

The MAX701ESA+ is a highly reliable microprocessor (µP) supervisory circuit designed to monitor power supplies in µP and digital systems. Manufactured by Maxim Integrated, a leader in analog and mixed-signal engineering, this device provides excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V-powered circuits.

Key Features

• Voltage Monitoring: The MAX701ESA+ offers precision monitoring of +5V power-supply voltages, ensuring that the system operates within safe voltage levels.
• Power-On Reset: It generates a reset signal upon power-up, maintaining it for a minimum of 150ms after the supply voltage reaches the operating level to allow the system to stabilize.
• Manual Reset Input: A manual reset input is available, providing a direct way to initiate a system reset from an external source.
• Watchdog Timer: The built-in watchdog timer ensures that the µP does not hang in an uncontrolled state, providing an added layer of system reliability.
• Low Power Consumption: This device is optimized for low power consumption, making it suitable for power-sensitive applications.
• Compact Package: The MAX701ESA+ comes in a compact 8-pin SO package, ideal for space-constrained applications.

Applications

The MAX701ESA+ is versatile and can be used in a wide range of applications, including:

• Computers and controllers
• Intelligent instruments
• Portable/battery-powered equipment
• Embedded systems

Technical Specifications

The device operates over a wide temperature range and has the following technical specifications:

• Supply Voltage Range: 4.75V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage: Typically 4.65V
• Reset Active Time: 150ms min
• Package Type: 8-SOIC

Overall, the MAX701ESA+ from Maxim Integrated is an ideal solution for system designers looking to enhance the reliability and performance of their microprocessor-based systems with minimal additional cost and space requirements.