PROD Model: BS612
Window Size: 3*4mm
Output Signal:High and low level 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: <12uA
BS612 is a pyroelectric infrared sensor
that integrates digital intelligent control circuit and human body
detection sensitive element in electromagnetic shielding cover. The
human body detection sensor couples the sensed human body 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 will be a
timed REL level output. The OEN enable terminal enables the REL output
or automatic control by the light sensor. Sensitivity and time
parameters are set by voltage divider resistors. All signal processing
is done on-chip.
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
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 | ||||||
LPF cutoff frequency | 7 | Hz | ||||
HPF cutoff frequency | 0.44 | Hz | ||||
On chip oscillator frequency | FCLK | 64 | kHz | |||
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