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Overview

Zilog’s ZDP323B series of Digital Passive Infrared (DPIR) sensors combines a dual element

PIR sensor with all necessary signal processing and an I

2C communication interface to

provide a fully integrated motion sensor, delivering high performance and excellent EMI

immunity for the most demanding motion detection applications.

The device is a dual element, balanced differential (series-opposed type) sensor that comes

in a 4-pin TO-5 nickel-plated metal can. The sensing elements are placed behind a spectral

filter window tuned to 8-13μm wavelength to help block out unwanted IR energy sources.

Communication is supported over an I2C interface and signal processing is performed

digitally with programmable gain, bandwidth, and detection thresholds.

The ZDP323B DPIR sensor should be used in combination with a passive infrared lens.

Features

? Dual-element balanced differential (series opposed) PIR sensor

? Integrated signal processing with programmable filter/gain profiles

? Programmable thresholds

? I

2C interface with trigger output mode

? Up to 4 devices can be supported on a single I

2C bus

? 10-bit addressing, or General Call supported

? Elements are 0.75mm x 2.3mm spaced 0.6mm apart

? Wide Field of View: 148? x 136?

? Standard 4-pin metal TO-5 package

? Wide operating voltage range of 1.8V to 5.5V

? 3μA operating current

? Operating temperature range of -40?C to +80?C

Applications

? Video Doorbell

? IP Camera

? HVAC Control

? Home Appliances

? Lighting Control

? Proximity Detection