Senba Sensing Technology Co., Ltd.
Digital Signal Processing Passive Infrared Sensor D202X
Digital Signal Processing Passive Infrared Sensor D202X

Digital Signal Processing Passive Infrared Sensor D202X

Overview

D202X is 2 elements PIR sensor, with small detection angle. Mainly used for toys and other small angle requirement products.

PIR sensor sense the motion object, always used to detet the human. There is a detect rang for the PIR sensor. When a people move in or out of the detect rang, the PIR sensor will be triggered. PIR sensor are low-power, small, easy to used. For this reason it can be used for the alarm system and lighting control. PIR sensor also named passive infrared, Pyroelectric or IR motion sensor.


Features

  • Excellent S/N ratio

  • Low consumption

  • Slight movement can be detectable



Item

D202X

Encapsulation Type

TO-5

IR Receiving Electrode

2×1mm, 2 elements

Window Size

2×3mm

Spectral Response

5—14μm

Transmittance

≥75%

Output Signal[Vp-p]

≥3300mV

Sensitivity

≥3100V/W

Detectivity (D*)

1.4 ×108 cmHz1/2/W

Noise[Vp-p]

<70mV

Output Balance

<10%

Offset Voltage

0.3~1.2V

Supply Voltage

3—15V

Operating Temp

-30—70ºC

Storage Temp

-40—80ºC

 Field of View

 


field-of-view-d202X.jpg


Equivalent Circuit


D202X.jpg


Applications

  • Toys

  • Wireless security sensors

  • Security cameras

  • Security alarm system


FAQ

1. What can trigger a PIR sensor?

The first cause of PIR false alarms is low or unstable voltage at the detector. Test to make sure the voltage at each PIR is above 13VDC and stable. The second cause of false alarms is sudden infrared movement / heat changes in view of the detector.


2. Do PIR sensors work in the dark?

Yes, motion sensors work in the dark. The way that a motion sensor detects movement has nothing to do with how light or dark it is in the immediate area. Since infrared energy is present and can be detected regardless of the amount of light in the environment, a PIR motion sensor will work just fine in the dark.

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