M75210 - COST-EFFECTIVE PHOTOELECTRIC SMOKE DETECTOR

MOSDESIGN

General Description

The M75210 is a very low-power IC providing all of the required

Key Features

for a photoelectric type smoke detector. It is designed for operate at supply voltage as low as 2.7V and suited to 3V Lithium battery powered.

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M75210 cost-effective photoelectric smoke detector by MOSDESIGN - Datasheet Preview

Datasheet Details

Part number	M75210
Manufacturer	MOSDESIGN
File Size	234.91 KB
Description	COST-EFFECTIVE PHOTOELECTRIC SMOKE DETECTOR
Datasheet	M75210 Datasheet

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Full PDF Text Transcription (Reference)

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MOSDESIGN SEMICONDUCTOR CORP. COST-EFFECTIVE PHOTOELECTRIC SMOKE DETECTOR SMOKE DETECTOR M75210 GENERAL DESCRIPTION The M75210 is a very low-power IC providing all of the required features for a photoelectric type smoke detector. It is designed for operate at supply voltage as low as 2.7V and suited to 3V Lithium battery powered application. 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. Low gain is selected during standby. During a local alarm this low gain is increased (internally) by ~ 10% to reduce false triggering.