A5349CA ALLEGRO [Allegro MicroSystems], A5349CA Datasheet
A5349CA
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A5349CA Summary of contents
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... WITH INTERCONNECT AND TIMER The A5349CA 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 any unit senses smoke, all units will sound an alarm. In addition, ...
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AC SMOKE DETECTOR with INTERCONNECT and TIMER FUNCTIONAL BLOCK DIAGRAM AND TYPICAL APPLICATION + SUPPLY – LOW-V SET 13 + – SENSITIVITY SET + – – SUPPLY DETECT. IN GUARD ...
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AC SMOKE DETECTOR with INTERCONNECT and TIMER ELECTRICAL CHARACTERISTICS 8.2 M (unless otherwise noted). 7 Characteristic Supply Voltage Range Detector Input Current Input Offset Voltage Hysteresis Common Mode Range Active Guard Impedance Oscillator Period Oscillator ...
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... No Alarm (No Smoke) Condition CIRCUIT DESCRIPTION The A5349CA 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. ...
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AC SMOKE DETECTOR with INTERCONNECT and TIMER Alarm Circuitry. If smoke is detected, the oscillator period changes and the horn is enabled. The horn output is typically 160 ms ON OFF. During the OFF ...
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AC SMOKE DETECTOR with INTERCONNECT and TIMER TIMING DIAGRAMS IN TYPICAL APPLICATION NO ALARM NO LOW BATTERY STANDBY MODE V12 OSC. CAP 10 ms 1.67 s INTERNAL CLOCK 24 CLOCK CYCLES LED LED ON SMOKE COMPARATOR SAMPLE HORN SMOKE ...
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AC SMOKE DETECTOR with INTERCONNECT and TIMER 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 ...
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AC SMOKE DETECTOR with INTERCONNECT and TIMER 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 0.558 0.356 Dimensions in Inches (controlling dimensions 0.100 ...