Digital Control Circuit Sensitive Element BS312

Overview

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 of BS312 Low Voltage PIR Sensor

Power adjustable, save more energy

Two-way differential high impedance sensor input

Technical Data of BS312Low Voltage PIR Sensor

Characteristics	Symbol			Unit	Remarks
Supply Voltage	VDD	-0.3	5	V
Working Temperature	TST	-20	85	℃
	Into	-100	100	mA
Storage Temperature	TST	-40	125	℃

2. ，Except other requirements)

Characteristics	Symbol		Type		Unit	Remarks
Supply Voltage	VDD		3		V	IR=0.5mA
Working Current	IDD	9		11	μA
Sensitivity	VSENS		90		μV
Output REL
Output Low Current	IOL	10			mA	VOL<1V
Output High Current	IOH			-10	mA	VOL>(VDD-1V)
Lock time	TOL				s
On-time	TOH	2		3600	s
Output REL
Output Low Current	10				mA	VOL<1V
Output Hight Current				-10	mA	VOL>(VDD-1V)
Oscillator & Filter
Low pass filter cut-off frequency				7	Hz
High pass filter cut-off frequency					Hz
Oscillator frequency on Chip	FCLK			64	kHz
Interior Block Diagram

Applications of BS312 Wide Angle PIR Sensor

Intelligent security- burglar alarm

Wireless infrared detection alarm, uses advanced signal analysis and processing technology. When the intruder enters through the detection area, it sends alarm signal to control panel.

The PIR sensor is suitable for home, residential area, factory, shopping mall, warehouse, and offices.

FAQ of Digital PIR Sensor

PIR sensors are excellent in human and animal detection. They are mostly used in triggering an intruder alarm and activate household appliances upon the presence of a human.

No, alarm motion sensors do not work through glass. Most motion sensors use passive infrared (PIR) technology to detect motion. Changes in IR energy are not easily detected through glass. This is why motion sensors will generally not work through windows, which are usually insulated.

Senba sensing technology co ltd is a pir sensor manufacturers, we provide senba sensing technology, pir switch circuit, wide angle pir sensor, passive ir motion sensorand etc. Welcome to contact us.

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