5358 - PHOTOELECTRIC SMOKE DETECTOR

Description

(In Typical Application) PIN 1 (C1) A capacitor connected to this pin determines the gain of the photo amplifier during the push-to-test mode and during the chamber monitor test.

Features

for a photoelectric type smoke detector. This device can be used in conjunction with an infrared photoelectric chamber to sense scattered light from smoke particles. Special features are incorporated in the design to facilitate calibration and testing of the finished detector. The device is designed to comply with Underwriters Laboratories Specification UL217 and British Standard BS 5446, Part 1. A variable-gain photo amplifier can be directly interfaced to an infrared emitter/detector pair. The.

Allegro MicroSystems

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Datasheet Details

Part number	5358
Manufacturer	Allegro MicroSystems
File Size	98.92 KB
Description	PHOTOELECTRIC SMOKE DETECTOR
Datasheet	5358 Datasheet
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Full PDF Text Transcription

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5358 PHOTOELECTRIC SMOKE DETECTOR WITH INTERCONNECT AND TIMER The A5358CA is a low-current BiCMOS circuit providing all of the required features for a photoelectric type smoke detector. This device can be used in conjunction with an infrared photoelectric chamber to sense scattered light from smoke particles. Special features are incorporated in the design to facilitate calibration and testing of the finished detector. The device is designed to comply with Underwriters Laboratories Specification UL217 and British Standard BS 5446, Part 1. A variable-gain photo amplifier can be directly interfaced to an infrared emitter/detector pair. The amplifier gain levels are determined by two external capacitors that are then internally selected depending on the operating mode.

Published: Apr 1, 2005 |