PROD Model: BX604
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
BX604 is a pyroelectric infrared
sensor that integrates a digital intelligent control circuit and a human
detection sensor in an electromagnetic 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, which converts the signal into an
ADC digital signal, and when the PIR signal exceeds the selected digital
threshold, there is a timed REL level output. The OEN enable allows the
REL output to be automatically controlled via a light sensor. The
sensitivity and time parameters are set by a voltage divider resistor.
All signal processing is done on the chip.
Digital signal processing
Low voltage,Low power consumption ,Short warm-up time
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
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 |
| 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 ONTIME | ||||||
Input voltage range | 0 | VDD1/2 | V | Adjustable between 0V and VDD/2 | ||
Input leakage current | -1 | 1 | μA | |||
Oscillator and Filter | ||||||
LPF cutoff frequency | 7 | Hz | ||||
HPF cutoff frequency | 0.44 | Hz | ||||
| Enable OEN | ||||||
| Low input voltage(off) | VIL | 在0.8v-1.2v之间为迟滞区域 | 0.8 | V | OEN电压高到低的阈值电平 | |
| High input voltage(on) | VIH | 1.2 | V | OEN电压低到高的阈值电平 | ||
| Current input | II | -1 | 1 | μA | VSS<VIN<VDD | |
Access detailed technical information, configuration guides, and solutions notes to support your evaluation and implementation of the BX604 Series.
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