LTC690IN8 Microprocessor Supervisory Circuit

The LTC690IN8 from Linear Technology is a highly reliable microprocessor supervisory circuit designed to maintain system integrity during power failures or unexpected power anomalies. This critical component ensures that microprocessors and digital systems continue to operate correctly by monitoring the power supply voltage and providing essential reset and backup functions.

Key Features

• Precision Voltage Monitor: The LTC690IN8 is equipped with a precision voltage monitor that keeps a vigilant eye on the power supply levels, ensuring that the microprocessor is reset to a known state during power-up, power-down, and brownout conditions.
• Low Power Consumption: With its low power consumption, this supervisory circuit is an ideal choice for power-sensitive applications, ensuring that the overall power budget of the system is maintained.
• Backup Battery Switchover: In the event of a power failure, the LTC690IN8 includes an automatic backup battery switchover feature that seamlessly transitions the power source to a backup battery, ensuring uninterrupted operation of the memory and real-time clock functions.
• Reset Output: The device provides a reset output signal which is guaranteed to be in the correct state for VCC down to 1V, allowing the connected microprocessor to restart cleanly once the power has been restored.
• Wide Operating Temperature Range: The LTC690IN8 operates over a wide temperature range, making it suitable for use in various environments and applications where temperature conditions can be extreme.

Applications

The LTC690IN8 is a versatile component that can be used across a broad range of applications. It is particularly useful in systems where data integrity is critical, such as:

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

With its robust feature set and reliable performance, the LTC690IN8 from Linear Technology is an essential component for safeguarding microprocessor systems from the unpredictable nature of power supplies, ensuring that your digital systems operate smoothly and reliably.