MC146012 - 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 Electrical Characteristics (Refer to Timing Diagram Figure 3 and Figu.

Features

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• 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 ORDERING INFORMATION Device MC146012ED MC146012EG Temp. Range -10 to 75°C -10 to 75°C Case No. 648-08 751G-04 Package Plastic Dip SOG Pac.