RDB224 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:
- *Delay time adjustable
- *High-precision AD signal process
- *Differential signal input mode, anti-interference ability
- *Wide voltage power supply(1.5~4.5V) and power consumption
- *Digital TTL signal output
Product Description:
Digital PIR sensor RDB224, 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
2. Working condition(T=25℃)
The Latest Manual
| 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 | ℃ |
| Parameter | Symbol | Min | Typical | Max | Unit | Note |
| Working condition | ||||||
| Voltage | VDD | 1.5 | 3 | 4.5 | V | Power supply mode |
| Current | IDD | 10 | uA | 10uA @3V@25℃ | ||
| Sensitivity | VSENS | 104 | uV | |||
| Temperature | WST | -25 | 85 | ℃ | ||
| ONTIME Pin | ||||||
| ONTIME Input Range | 0 | VDD | ||||
| ONTIME Input Current | VIL | 20 | nA | Pull-down current | ||
| Output Pin(REL) | ||||||
| Output drive current | IREL | -5 | 5 | mA | ||
| Block time | 2 | S | ||||
| Delay time | ONTIME | 1 | 3600 | S | 16 levels of | |
| adjustment | ||||||
| Oscillators and filters | ||||||
| Low filter cut-off | 7 | Hz | ||||
| frequency | ||||||
| High filter cut-off | 0.4 | Hz | ||||
| frequency | ||||||
| Chip oscillator | FCLK | 32 | KHz | |||
| frequency | ||||||
| Chip oscillator error | FCLK_Err | -1000 | 1000 | Ppm/K | -20~80℃ | |
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