초전 적외선 센서

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BX304

초전 적외선 센서

PROD Model: BX304

Window Size: 4*4mm

Output Signal:Digital signal output

Sensing Distance: 12M (lens SB-F-02)

See lens selection for different distances

Sensing Angle: 120° (horizontal direction)

Working Voltage: 2.2-3.7V

Static Power Consumption: <11uA

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개요

The product is a type of intelligent PIR
sensor which integrates digital circuit and sensitive element in a
hermetically sealed package. It interference directlly with up two
conventionao PIR sensors via a high impedance differential input. The
PIR signal is converted to a digital value on chip . All signal
processing is performed digitally.

특징

Digital signal processing,no drift and aging

High power supply rejection ratio,anti-radio frequency interference(mobile phone,WiFi ,etc.)

A second-order Butterworth bandpass filter with built-in infrared sensor to shield input interference at other frequencies.

Good stability and effective suppression of repeated malfunctions

Low power consumption and simple application circuit

Ontime 2s

데이터 시트

1.Absolute Maximum Ratings

Electrical characteristics(beyond those listed below may cause permanent damage to the device. Exposure to absolute maximum ratings may affect the device reliability. )

Parameter	Symbol	Min	Max	Unit	Remarks
Operating Temp	TST	-30	70	℃
Current into any pin	Into	-100	100	mA
Storage Temp	TST	-40	80	℃

2. Operating Conditions (T=25°C, Vdd=3V，unless stated otherwise)

Parameter	Symbol	Min	Type	Max	Unit	Remarks
Regular voltage	VDD	2.2	3	3.7	V
Supply current	IDD	9	9.5	11	μA
Sensitivity threshold	VSENS		90		μV
Detective Wavelength	λ	5		14	um
Outputs REL
Output current low	IOL	10			mA	VOL<1V
Output current high	IOH	-10			mA	VOH>(VDD-1V)
Low REL output locking time	TOL		2		s	Non-adjustable
High REL output delay time	TOH		2		s
Oscillator and Filter
LPF cutoff frequency				7	Hz
HPF cutoff frequency				0.44	Hz
On chip oscillator frequency	FCLK			64	kHz

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