RDA223 Digital Pyroelectric Infrared (PIR) Sensor

The RDA223 Digital PIR Sensor integrates a sensitive element and signal processing chip into a single compact design, housed within a sensor shield. Its sensitive element detects human movement signals and processes them using a high-precision digital chip, producing a digital signal output for easy integration into various applications.

Description

Applications

The RDA223 is versatile and can be employed in a wide range of applications:

  • Security Products: Motion detectors for security systems.
  • Human Body Induction Toys: Interactive toys responding to motion.
  • Human Body Induction Lamps and Switches: Automatic lighting solutions.
  • Industrial Automation Control: Motion detection for process automation.
  • Smart Home: Enhancing home automation systems.
  • IoT Terminals: Intelligent motion detection for IoT devices.
  • Intelligent Appliances: Smart features in household electronics.

Features

  1. High-Precision Signal Processing
    • Includes high-precision AD signal processing for accurate motion detection.
  2. Differential Signal Input
    • Ensures strong anti-interference capabilities for reliable performance.
  3. Low Voltage and Power Consumption
    • Operates efficiently with minimal power requirements.
  4. Digital TTL Signal Output
    • Provides an easy-to-use digital signal for integration into various systems.

Specifications

Maximum Limits

Parameter Symbol Min Max Unit
Voltage VDD -0.3 3.6 V
Pin Limit Current Into -100 100 mA
Storage Temperature TST -40 125

Working Conditions

Parameter Symbol Min Typical Max Unit Notes
Voltage VDD 2.7 3.0 3.3 V
Current ICC 12 15 20 µA
Sensitivity VSENS 110 µV
Operating Temperature WST -20 85

Input Enable

Parameter Symbol Min Max Unit
High Voltage VIH 80% %VDD
Low Voltage VIL 20% %VDD
Current II -1 1 µA

Output

Parameter Symbol Min Max Unit
Low Current IOL 10 mA
High Current IOH -10 mA

Timing Parameters

Parameter Min Typical Max Unit
Block Time 2.3 s
Delay Time 2.3 s

Oscillators and Filters

Parameter Min Typical Max Unit
Low Filter Cut-Off Frequency 7 Hz
High Filter Cut-Off Frequency 0.44 Hz
Chip Oscillator Frequency 64 KHz

Important Notes

  • Specifications and features are subject to change without prior notice.
  • Contact the manufacturer for the latest updates before placing orders.

The RDA223 sensor is an ideal solution for modern motion detection applications requiring precision, reliability, and low power consumption.

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