The LTC690IN8#PBF is a state-of-the-art microprocessor supervisory circuit designed and manufactured by Linear Technology. This essential component is engineered to ensure reliable operation and functionality of microprocessor systems by monitoring the power supply voltage levels and providing a reset signal to the microprocessor during power-up, power-down, and brown-out conditions.

Key Features

• Precision Voltage Monitor: This product features a precise voltage monitor that keeps a vigilant eye on the power supply to ensure it remains within acceptable levels for the microprocessor and associated circuitry.
• Power Supply Glitch Immunity: The LTC690IN8#PBF provides excellent immunity to short duration power supply glitches, which helps prevent false resets and ensures stable operation of the connected microprocessor system.
• Low Power Consumption: Designed with power efficiency in mind, this supervisory circuit consumes minimal power, making it an ideal choice for power-sensitive applications.
• Reset Signal: It generates an active reset signal whenever the monitored power supply voltage falls below a preset threshold, ensuring the microprocessor restarts in a known state.
• Wide Operating Temperature Range: The device is specified for operation over a wide temperature range, making it suitable for use in various environments and applications.

Applications

The LTC690IN8#PBF is versatile and can be used in a wide array of applications, including:

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

Product Specifications

The LTC690IN8#PBF comes in an 8-pin PDIP package and is characterized for operation from -40°C to 85°C. It has a threshold voltage typically set at 4.65V, which is ideal for monitoring 5V power supplies. The reset timeout period is also programmable, allowing designers to tailor the reset signal duration to the specific needs of their application.

Quality and Reliability

Linear Technology is known for its commitment to quality, and the LTC690IN8#PBF is no exception. It is built to meet high standards of reliability and performance, ensuring that your systems operate smoothly and consistently.