Maxim Integrated DS1705ESA+ Description

The DS1705ESA+ is a robust, low-power microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in µP and digital systems. It provides a precise, cost-effective solution for system reliability and ensures that all the safety checks are in place for a smooth functioning of electronic applications.

This supervisory circuit offers a multitude of features that make it an essential component for any system that requires reliable operation over a wide range of supply voltages and temperatures. The DS1705ESA+ is particularly suitable for battery-powered equipment due to its low power consumption.

Key Features

• Supply Voltage Monitoring: The DS1705ESA+ constantly monitors the system's power supply voltage and maintains system integrity through its reset functions.
• Programmable Reset Signal: It includes a programmable watchdog timer that can be set by the user for specific timeout periods, ensuring that the system can recover from a software lockup or other faults.
• Low Power Consumption: With its low power requirements, this component is optimized for power-sensitive applications, extending the life of battery-powered devices.
• High Accuracy: The device guarantees a reset signal to the µP for VCC down to 1.0V, ensuring the system is reliably reset under a wide range of conditions.
• Temperature Range: The DS1705ESA+ operates over an extended temperature range, making it suitable for industrial applications where environmental conditions may be extreme.
• Compact Package: Available in a space-saving 8-pin SO (Small Outline) package, it is ideal for systems where board space is at a premium.

Applications

• Portable/Battery-Powered Equipment
• Computers and Controllers
• Embedded Systems
• Intelligent Instruments
• Industrial Systems

In summary, the DS1705ESA+ from Maxim Integrated is a versatile and reliable solution for system monitoring and reset functions. Its integration into a system helps prevent data corruption and ensures that the electronic devices operate smoothly even under adverse conditions. The programmable nature of the watchdog timer and the accuracy of the power-fail detection make it a valuable component for designers looking to enhance the resilience of their systems.