RDB226-S Digital Pyroelectric Infrared Sensor

For human body induction or detection application

Applications :

*Security product
*Smart home, IOT terminals
*Intelligent appliance
*Industrial automation control
*Human body induction toys, lamps, and switches

Product Advantages:
  • *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
Product Description:

Digital PIR sensor RDB226-S, 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.

Technical Parameters:
1.Max Limit
Parameter Symbol Min Max Unit Note
Voltage VDD -0.3 4.5 V 25℃
Pin Voltage -0.3 VDD+0.3 V 25℃
Storage temperature TST -40 125
2.Working condition(T=25℃)
Parameter Symbol Min Typical Max Unit Note
Working condition
Voltage VDD 1.5 3 4.5 V Power supply
Current IDD 10 uA 10uA
Sensitivity VSENS 104 uV
Temperature WST -20 85
SENS, ONTIME Input 20 nA Pull-down
Current 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 S
Delay time ONTIME 1 3600 S 16 levels of
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 Latest Manual

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