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M7620 - PIR CONTROLLER

Description

The M7620 integrated circuit combines all required functions for a single chip Passive Infra Red (PIR) light controller.

It is designed for load switching with a transistor or a relay in 3 wire AC and DC systems.

A conventional PIR sensor connects directly to the PIR input.

Features

  • ‧ Digital signal processing ‧ Adjustable PIR sensitivity ‧ Adjustable output turn-on time ‧ Retrigger/Non-retrigger function ‧ RELAY output ‧ SOP-8 package.

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Datasheet Details

Part number M7620
Manufacturer MOSDESIGN
File Size 289.13 KB
Description PIR CONTROLLER
Datasheet download datasheet M7620 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MOSDESIGN SEMICONDUCTOR CORP. PIR CONTROLLER FOR DC/AC APPLICATIONS PIR CONTROLLER M7620 DESCRIPTION The M7620 integrated circuit combines all required functions for a single chip Passive Infra Red (PIR) light controller. It is designed for load switching with a transistor or a relay in 3 wire AC and DC systems. A conventional PIR sensor connects directly to the PIR input. The pull-down resistor and DC decoupling circuitry are integrated on chip. The PIR signal is converted to a 15 bit digital value. External potentiometers or resistors are used to set the operating parameters for sensitivity, on-time, CDS sensor. The corresponding voltage levels are converted to digital values with a 4 bit resolution all signal processing is performed digitally.
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