Indoor applications (night lights, cabinet lights, toys, etc.)

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NS612

PROD Model: NS612
Window Size: 3*4mm
Output Signal:High and low level output
Sensing Distance: 10M (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

Overview

NS612 is a type of PIR sensor which integrates a digital control circuit and a human detection sensor in an electromagenetic shielding housing.The human body detection sensor couples the sensed human movement signal to the digital intelligent integrated circuit chip through a very high impedance differential input circuit, and the digital intelligent integrated circuit converts the signal into an ADC digital signal.When the PIR signal exceeds the selected digital threshold, there is a timed REL level output. OEN enable terminal enables REL output or automatic control through light sensor. Sensitivity and time parameters are set through a partial voltage resistor. All the signal processing is done on the chip.



Feature

Digital signal processing

★ 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

★ Sensitivity,Ontime, and light sensor Schmitt REL output.

★ Ontime adjustable

★ Good stability and effective suppression of repeated 

    malfunctions

★ Low power consumption and simple application circuit



Datasheet

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=3Vunless 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


2000

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


3600

s


Inputs SENS, ONTIME

Input voltage range


0


VDD1/2

V

Adjustable between 0V and VDD/2

Input leakage current


-1


1

μA


Input OEN

Input low voltage

VIL

0.8V-1.2V (Hysteresis zone)


0.8

V

Voltage threshold from high to low

Input high voltage

VIH

1.2



V

Voltage threshold from low to high

Input current

II

-1


1

μA

VSS<VIN<VDD

Oscillator and Filter


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SENBA Sensing Technology Co.,Ltd.(stock code:300701), was founded in 2005, with the focus on producing the top quality photoelectric components, such as PIR sensors, Photoresistors,Light Sensors, Flame detectors etc. Our strategic goal is to master the core technology.