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.

1 PC RDB226 Digital Pyroelectric Infrared Sensor