The RE46C108S8F from Microchip Technology is a sophisticated, low-power CMOS ionization-type smoke detector integrated circuit. With a built-in programmable gain amplifier, it is designed to be an integral component in residential and commercial smoke detectors.

Key Features

• Low Operating Voltage: The device operates at a low voltage, making it ideal for battery-powered applications. It ensures a minimal power draw, prolonging the battery life of the smoke detector.
• Interconnect Capability: This IC allows for multiple smoke detectors to be connected, enabling all units to sound an alarm when one unit detects smoke, which is crucial for comprehensive coverage in larger buildings.
• Programmable Sensitivity: The sensitivity of the RE46C108S8F can be programmed to match specific requirements, providing flexibility and enhancing false alarm immunity.
• Integrated Timer: An onboard timer function allows for automatic self-check and horn synchronization, ensuring reliability and consistency in performance.
• Robust Alarm Driver: The IC includes a powerful and versatile horn driver capable of driving a piezoelectric horn directly, which simplifies the design of the alarm signaling component.
• Low Battery Detection: It features a low battery detection circuit that alerts users when the battery voltage drops below a predefined threshold, ensuring the smoke detector remains operational.

Applications

The RE46C108S8F is primarily used in smoke detection systems that require long-term reliability and low-power operation. Its features make it suitable for a wide range of applications, including residential smoke alarms, commercial fire detection systems, and portable fire alarms.

Product Specifications

Overall, the Microchip Technology RE46C108S8F offers a reliable and versatile solution for the design of smoke detection devices, providing enhanced safety features and a design optimized for low-power operation.