The LTC690CS8 is a state-of-the-art microprocessor supervisory circuit that has been meticulously engineered by Linear Technology to ensure reliability and high performance in critical microprocessor systems. This compact and robust component is housed in an 8-lead SOIC package, making it an ideal choice for space-constrained applications.

Key Features

• Voltage Monitoring: The LTC690CS8 offers precise monitoring of power supplies, with a 4.65V threshold, ensuring that microprocessors and other logic systems are reset to a known state during power-up, power-down, and brownout conditions.
• Low Power Consumption: Its quiescent current is remarkably low, typically just 4µA, which makes it suitable for battery-powered and portable applications where power efficiency is critical.
• Reset Time Delay: The device includes an inbuilt delay to provide a reset pulse width of 200ms minimum, ensuring that the system has adequate time to stabilize before normal operation resumes.
• Watchdog Timer: A versatile watchdog timer is integrated into the LTC690CS8, which can be disabled if not required, providing additional system reliability through regular monitoring of the microprocessor activity.
• Guaranteed RESET Output: The reset output is guaranteed to be in the correct state for VCC down to 1V, allowing the device to function reliably even under extreme power conditions.

Applications

The LTC690CS8 is highly adaptable and can be employed in a wide array of applications. It is particularly well-suited for use in:

• Microprocessor systems
• Computers and controllers
• Intelligent instruments
• Portable battery-powered equipment
• Automotive systems

Conclusion

With its robust feature set and compact form factor, the LTC690CS8 from Linear Technology is an excellent choice for designers looking to enhance the reliability and performance of their microprocessor-based systems. Its ability to maintain system integrity through various power disturbances makes it an indispensable component in any critical electronic application.