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A5347CA

Part Number	A5347CA
Manufacturer	Allegro MicroSystems
Description	SMOKE DETECTOR WITH INTERCONNECT AND TIMER
Published	Mar 23, 2005
Detailed Description	5347 SMOKE DETECTOR WITH INTERCONNECT AND TIMER TIMER START I/O LOW-V SET TIMER OUT LED + SUPPLY TIMING RES. FEEDBACK 1 ...
Datasheet	A5347CA PDF File

Overview

5347 SMOKE DETECTOR WITH INTERCONNECT AND TIMER TIMER START I/O LOW-V SET TIMER OUT LED + SUPPLY TIMING RES.
FEEDBACK 1 2 3 4 5 6 7 8 V SS V DD LOGIC 16 15 14 13 12 11 10 9 GUARD 2 DETECT.
IN GUARD 1 SENSITIVITY SET OSC.
CAP.
HORN 2 HORN 1 – SUPPLY Data Sheet 26110.
2 The A5347CA 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, special features are incorporated to facilitate alignment and test of the finished smoke detector.
This device is designed to comply with Underwriters Laboratories Specification UL217.
The internal oscillator and timing circuitry keeps standby power to a minimum by powering down the device for 1.
66 seconds and sensing smoke for only 10 ms.
Every 24 on/off cycles, a check is made for low battery condition.
By substituting other types of sensors, or a swit...

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A5347CA SMOKE DETECTOR WITH INTERCONNECT AND TIMER - Allegro MicroSystems

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