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
NS612 is a type of PIR sensor that integrates a digital control
circuit and a human detection sensor within an electromagnetic shielding
housing. The human body detection sensor couples the sensed human
movement signal to a digital intelligent integrated circuit chip via 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, a
timed REL level output is triggered. The OEN enable terminal allows for
REL output or automatic control via a light sensor. Sensitivity and time
parameters are configured through a voltage-dividing resistor. All
signal processing is performed on a single chip.
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
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 | 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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