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5355

Allegro MicroSystems
Part Number 5355
Manufacturer Allegro MicroSystems
Description SMOKE DETECTOR WITH INTERCONNECT
Published Apr 1, 2005
Detailed Description 5355 SMOKE DETECTOR WITH INTERCONNECT NO CONNECT. I/O LOW-V SET NO CONNECT. LED + SUPPLY TIMING RES. FEEDBACK 1 2 3 4 5 ...
Datasheet PDF File 5355 PDF File

5355
5355

Overview
5355 SMOKE DETECTOR WITH INTERCONNECT NO CONNECT.
I/O LOW-V SET NO CONNECT.
LED + SUPPLY TIMING RES.
FEEDBACK 1 2 3 4 5 6 7 8 V SS V DD NC NC 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.
5A 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 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 switc...


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