
1 PC RDB226 Digital Pyroelectric Infrared Sensor
Digital PIR sensor RDB226, is an integrated design of sensitive element and signal processing chip, packaged sensitive element and IC chip into sensor shield. Sensitive element transfer the human movement signal to high-precision digital chip for data processing. Then the sensor gives digital signal for easy using. Application Security product Human body induction toys Human body induction lamps, and switches Industrial automation control Smart home IOT terminals Intelligent appliance Features High-precision AD signal process Differential signal input mode, anti-interference ability Sensitivity, delay time, and light adjustment function Enable pin controls the sensor output Wide voltage power supply(1.5~4.5V) and power consumption Digital TTL signal output Specifications 1.Max Limit Parameter Symbol Min Max Unit Note Voltage VDD -0.3 4.5 V 25℃ PinVoltage -0.3 VDD+0.3 V 25℃ Storagetemperature TST -40 125 ℃ 2.Working condition(T=25℃) Parameter Symbol Min Typical Max Unit Note Working condition Voltage VDD 1.5 3.0 4.5 V Power supply mode Current IDD 10 uA 10uA @3V@25℃ Sensitivity VSENS 104 uV Temperature WST -25 85 ℃ ONTIME&SENS&OEN SENS, ONTIME Input 0 VDD SENS, ONTIME Input Current 20 nA Pull-down current OEN Input Low LEL VIL_OEN 0.6 V OEN Input High LEL VIH_OEN 1.2 V Output Pin(REL) Output drive current IREL -5 5 mA Block time 2.0 S Delay time ONTIME 1 3600 S 16 levels of adjustment Oscillators and filters Low filter cut-off frequency 7 Hz High filter cut-off frequency 0.4 Hz Chip oscillator frequency FCLK 32 KHz Chip oscillator error FCLK_Err -1000 1000 Ppm/K -20~80℃ * The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.