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OPB890N51
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OPB890N51

Product Overview

The OPB890N51 is a photo interrupter sensor designed for use in various electronic applications. This optoelectronic device falls under the category of sensors and is commonly used for detecting the presence or absence of an object, as well as for position sensing and counting applications. The sensor is known for its compact size, high reliability, and ease of integration into different electronic systems. It is typically packaged in a small, durable housing and is available in various packaging/quantity options to suit different application requirements.

Specifications

  • Operating Voltage: 3.3V - 5V
  • Current Consumption: 10mA
  • Output Type: Digital (TTL compatible)
  • Sensing Method: Transmissive
  • Operating Temperature: -40°C to 85°C
  • Response Time: 10μs

Detailed Pin Configuration

The OPB890N51 features a standard 4-pin configuration: 1. VCC (Power supply) 2. GND (Ground) 3. Output (Digital signal output) 4. N/C (Not connected)

Functional Features

  • Transmissive sensing method for accurate object detection
  • Digital output for easy interfacing with microcontrollers and other digital circuits
  • Wide operating voltage range for versatile compatibility
  • Fast response time for real-time applications
  • Compact and robust design for reliable performance in various environments

Advantages

  • Small form factor allows for easy integration into space-constrained designs
  • High reliability and durability ensure long-term performance
  • Versatile applications in position sensing, object detection, and counting
  • TTL-compatible output simplifies interfacing with digital systems

Disadvantages

  • Limited sensing range compared to some other sensor types
  • Susceptible to ambient light interference in certain operating conditions

Working Principles

The OPB890N51 operates on the principle of transmissive photo interruption. When an object passes between the emitter and detector components of the sensor, it causes a change in the received light intensity. This change is then converted into a digital signal, indicating the presence or absence of the object.

Detailed Application Field Plans

The OPB890N51 finds extensive use in various applications, including: - Object detection in automated assembly lines - Position sensing in robotics and motion control systems - Counting and sorting applications in industrial machinery - Proximity sensing in consumer electronics and appliances

Detailed and Complete Alternative Models

Some alternative models to the OPB890N51 include: - TCST2103 Optical Sensor - EE-SX670 Photo Microsensor - H21A1 Slotted Optical Switch

In conclusion, the OPB890N51 photo interrupter sensor offers a reliable and versatile solution for object detection, position sensing, and counting applications. Its compact design, digital output, and wide operating voltage range make it suitable for integration into a wide range of electronic systems.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av OPB890N51 i tekniska lösningar

  1. What is OPB890N51?

    • OPB890N51 is a reflective object sensor that consists of an infrared LED and a phototransistor.

  2. What are the typical applications of OPB890N51?

    • OPB890N51 is commonly used in applications such as object detection, counting, and edge sensing in various technical solutions.

  3. What is the operating voltage range for OPB890N51?

    • The operating voltage range for OPB890N51 is typically between 4.5V to 5.5V.

  4. How does OPB890N51 detect objects?

    • OPB890N51 detects objects by emitting infrared light from the LED and then measuring the amount of light reflected back to the phototransistor.

  5. What is the typical sensing distance of OPB890N51?

    • The typical sensing distance of OPB890N51 is around 0.2 inches to 0.4 inches.

  6. Can OPB890N51 be used in harsh environments?

    • OPB890N51 is not designed for harsh environments and may require additional protection if used in dusty or wet conditions.

  7. What is the output type of OPB890N51?

    • OPB890N51 provides a digital output, typically in the form of a logic high or low signal based on the presence or absence of the detected object.

  8. Does OPB890N51 require any external components for operation?

    • OPB890N51 may require external resistors and capacitors for proper operation and noise immunity.

  9. Is OPB890N51 suitable for battery-powered applications?

    • OPB890N51's low power consumption makes it suitable for battery-powered applications, extending the device's operational lifetime.

  10. What are the key considerations for integrating OPB890N51 into a technical solution?

    • Key considerations include ambient light interference, mounting and alignment of the sensor, and electrical noise mitigation to ensure reliable performance.