MC146012 Datasheet - Freescale Semiconductor

MC146012 Low Power CMOS Photoelectric Smoke Detector

) High-Level Output Current I/O IOH mA IOZ VOL VIC VREF Off-State Output Leakage Current Active Common Mode Voltage Range Smoke Comparator Reference Voltage LED nA V V V V C1, C2, Detect Internal Internal VREF-HI High Smoke Comparator Reference Voltage * TA = 25°C Only Table 3. AC Elect.

www.DataSheet4U.com Freescale Semiconductor Technical Data Document Number: MC146012 Rev 0, 09/2005 Low Power CMOS Photoelectric Smoke Detector IC The MC146012 is an advanced smoke detector component containing sophisticated very-low power analog and digital circuitry. The IC, when used with an infrared photoelectric chamber and a small number of external components, will detect smoke by sensing scattered light from smoke particles. When detection occurs, a pulsating alarm is sounded via on-c.

MC146012 Features

* Integrated Mute Function (IMF) to Temporarily Disable Horn Alarm Memory to Help Identify Alarming Unit Speed-Up Sampling Rate After First Detection of Smoke Double Sample for Degraded Chambe

MC146012_FreescaleSemiconductor.pdf