a5355ca Allegro MicroSystems, Inc., a5355ca Datasheet
a5355ca
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a5355ca Summary of contents
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... The A5355CA is a low-current, CMOS circuit providing all of the required features for an ionization-type smoke detector. A networking capability allows as many as 125 units to be interconnected so that if GUARD any unit senses smoke, all units will sound an alarm. In addition, ...
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... V DD LOGIC POWER-ON RESET OSCILLATOR & TIMING CONNECTION GUARD 2 +V 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright © 1996, Allegro MicroSystems, Inc. FEEDBACK 8 11 HORN 2 10 HORN 1 5 LED TIMING RES OSC. CAP ...
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SMOKE DETECTOR WITH INTERCONNECT ELECTRICAL CHARACTERISTICS 8.2 M (unless otherwise noted). 7 Characteristic Supply Voltage Range Detector Input Current Input Offset Voltage Common Mode Range Active Guard Impedance Oscillator Period Oscillator Pulse Width Low Voltage ...
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... SMOKE DETECTOR with INTERCONNECT The A5355CA is a low-current CMOS circuit providing all of the required features for an ionization-type smoke detector. Oscillator. An internal oscillator operates with a period of 1.67 seconds during no-smoke conditions. Every 1.67 seconds, internal power is applied to the entire circuit and a check is made for smoke. Every 24 clock cycles (40 ...
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SMOKE DETECTOR WITH INTERCONNECT TO OTHER UNITS NOTE 1: An external resistor divider is used to adjust sensitivity for the particular NOTE 2: A resistor to ground or V TIMING DIAGRAMS IN TYPICAL APPLICATION NO ALARM NO LOW BATTERY ...
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SMOKE DETECTOR with INTERCONNECT INTERNAL CLOCK HORN V2 IN I/O INTERNAL CLOCK HORN V2 OUT I/O I/O OPERATION REMOTE ALARM MODE CYCLES 2 CYCLES HORN OFF ON HORN NOT SELF COMPLETING WHEN IN REMOTE ONLY ALARM ...
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SMOKE DETECTOR WITH INTERCONNECT 16 0.280 0.240 1 0.070 0.045 0.210 MAX 0.015 MIN 0.022 0.014 16 7.11 6.10 1 1.77 1.15 5.33 MAX 0.39 MIN NOTES: 1. Lead thickness is measured at seating plane or below. 2. Lead ...
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... A5349CA Ionization-Type Smoke Detector with Interconnect and Timer for AC Line Operation A5354CA Ionization-Type Smoke Detector with Interconnect and Reverse-Battery Protection A5355CA Ionization-Type Smoke Detector with Interconnect and Reverse-Battery Protection A5358CA Photoelectric-Type Smoke Detector with Interconnect and Timer SAFETY & SECURITY ICs SELECTION GUIDE Allegro MicroSystems, Inc ...