The AVAGO TECHNOLOGIES LIMITED QEDS-9000-A00 is a high-performance reflective object sensor. It integrates an LED and a phototransistor in a single package, making it suitable for a variety of sensing applications. The device detects the presence or absence of an object by measuring the amount of light reflected back to the phototransistor.

Applications

• Line Following Robots
• Object Detection
• Proximity Sensing
• Edge Detection
• Optical Encoders

Features

• Reflective Object Sensor
• Integrated LED and Phototransistor
• Compact Package
• High Sensitivity
• Fast Response Time
• Operating Temperature: -25°C to +85°C

Benefits

• Simplified Design: Integrated components reduce external circuitry
• Accurate Detection: High sensitivity ensures reliable object detection
• Fast Response: Enables real-time sensing applications
• Compact Size: Allows for integration into space-constrained designs
• Versatile Application: Suitable for a wide range of sensing tasks

Additional Details

The QEDS-9000-A00's performance depends on the object's reflectivity and distance. Proper biasing of the LED and phototransistor is crucial for optimal performance. The datasheet provides detailed information on recommended resistor values and operating conditions. The device is typically mounted close to the object being sensed. Considerations for ambient light conditions may be necessary in some applications. The peak emission wavelength of the LED and the spectral response of the phototransistor are important parameters to consider for specific material sensing. The viewing angle of the LED and phototransistor also impacts the detection range and sensitivity.