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
Voltage	VDD	1.5	3	4.5	V	mode
Current	IDD		10		uA	10uA
Current	IDD		10		uA	@3V@25℃
Sensitivity	VSENS		104		uV
Temperature	WST	-20		85	℃
ONTIME&SENS&OEN
SENS, ONTIME Input		0		VDD
SENS, ONTIME Input				20	nA		Pull-down
Current				20	nA		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
Delay time	ONTIME	1		3600	S	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℃