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The MC146010 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-chip push-pull drivers and an external piezoelectric transducer.

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 Chamber Sensitivity Monitor

? Digital Noise Filter on the I/O Pin

? Power-Up and Power-Down RESET

? Low-Battery Trip Point Set Externally

? Temporal Horn Pattern

? Operating Temperature: -10 to 75°C

? Operating Voltage Range: 6.0 to 12 V

? Average Supply Current: 6.5 μA