TT Electronics/Optek Technology
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OPB355N
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OPB355N

Product Overview

Category

The OPB355N belongs to the category of optical sensors.

Use

It is used for detecting the presence or absence of an object by utilizing an infrared light-emitting diode and a phototransistor.

Characteristics

  • Utilizes infrared light for detection
  • Compact size
  • High sensitivity
  • Reliable performance

Package

The OPB355N is typically available in a small, compact package suitable for integration into various electronic devices and systems.

Essence

The essence of OPB355N lies in its ability to accurately detect the presence or absence of objects in a wide range of applications.

Packaging/Quantity

The sensor is usually packaged individually and is available in varying quantities based on the manufacturer's specifications.

Specifications

  • Operating Voltage: 4.5V to 5.5V
  • Current Consumption: 20mA
  • Output Type: Phototransistor
  • Detection Range: Up to 10mm
  • Operating Temperature: -40°C to 85°C

Detailed Pin Configuration

The OPB355N typically consists of four pins: 1. VCC (Power supply) 2. GND (Ground) 3. Output 4. N/C (Not connected)

Functional Features

  • Infrared LED emitter and phototransistor receiver
  • Digital output for easy interfacing with microcontrollers
  • Built-in ambient light rejection
  • Compact and versatile design

Advantages

  • High sensitivity for accurate object detection
  • Compact size allows for easy integration into various applications
  • Reliable performance across different environmental conditions

Disadvantages

  • Limited detection range compared to some other sensors
  • Susceptible to interference from external light sources in certain conditions

Working Principles

The OPB355N operates based on the principle of detecting the interruption of the infrared light beam emitted by the internal LED. When an object obstructs the light path, the phototransistor detects the change in light intensity and produces a corresponding digital output signal.

Detailed Application Field Plans

The OPB355N finds application in various fields, including: - Industrial automation for object detection in manufacturing processes - Robotics for proximity sensing and obstacle detection - Consumer electronics for touchless user interfaces and presence detection - Automotive for reflective object detection in vehicle systems

Detailed and Complete Alternative Models

Some alternative models to OPB355N include: - TCRT5000: Similar infrared sensor with a longer detection range - GP2Y0A21YK0F: Infrared distance measuring sensor with analog output - QRE1113: Reflective object sensor with integrated IR emitter and phototransistor

In conclusion, the OPB355N optical sensor offers reliable object detection capabilities in a compact and versatile package, making it suitable for a wide range of applications across different industries.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением OPB355N в технических решениях.

  1. What is OPB355N?

    • OPB355N is a reflective object sensor that consists of an infrared LED and a phototransistor.

  2. How does OPB355N work?

    • The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, allowing it to sense the presence or absence of the object.

  3. What are the typical applications of OPB355N?

    • OPB355N is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and object detection.

  4. What is the operating voltage range for OPB355N?

    • The operating voltage range for OPB355N is typically between 4.5V and 5.5V.

  5. What is the sensing distance of OPB355N?

    • The sensing distance of OPB355N can vary based on the specific application and environmental conditions, but it is typically in the range of a few millimeters to a few centimeters.

  6. Can OPB355N be used in harsh environments?

    • OPB355N is not designed for harsh environments and may require additional protection or enclosures if used in dusty, wet, or extreme temperature conditions.

  7. What is the output type of OPB355N?

    • OPB355N typically provides a digital output, indicating the presence or absence of the detected object.

  8. Does OPB355N require any external components for operation?

    • OPB355N may require external resistors or capacitors for proper operation, depending on the specific circuit design and application requirements.

  9. Is OPB355N sensitive to ambient light?

    • OPB355N is designed to minimize the effects of ambient light interference, but it may still be affected in extremely bright or fluctuating light conditions.

  10. Can OPB355N be used for speed sensing applications?

    • While OPB355N is primarily designed for object detection, it can also be utilized for speed sensing by measuring the frequency of interruptions in the reflected light signal. However, its accuracy for this purpose may be limited compared to dedicated speed sensors.