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MC146010 - Low Power CMOS Photoelectric Smoke Detector

Description

) 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

Table 3.

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.

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Full PDF Text Transcription (Reference)

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www.DataSheet4U.com Freescale Semiconductor Technical Data Document Number: MC146010 Rev 0, 09/2005 Low Power CMOS Photoelectric Smoke Detector IC 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. The MC146010 provides both audible and visual alarms. Upon sensing a normal smoke level, both alarms will be activated.
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