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 a digital intelligent control circuit and a human body detection sensitive element within an electromagnetic shielding enclosure. The human detection sensor couples the sensed human motion signal to the digital intelligent integrated circuit chip via a very high-impedance differential input circuit. The digital intelligent integrated circuit then converts this signal into an ADC digital signal. When the PIR signal exceeds the preset digital threshold, a timed REL-level output is triggered. The OEN enable terminal facilitates either REL output or automatic control via a light sensor. Sensitivity and timing parameters are configured using voltage divider resistors. All signal processing is performed 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 | VDD/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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