Sharp Microelectronics
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GP1A44E1
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GP1A44E1

Product Overview

  • Category: Optoelectronics
  • Use: GP1A44E1 is an optical sensor used for detecting the presence or absence of an object.
  • Characteristics: This sensor is known for its high sensitivity and fast response time. It comes in a compact package and is suitable for various applications.
  • Package: The GP1A44E1 sensor is typically available in a small, surface-mount package.
  • Essence: The essence of GP1A44E1 lies in its reliable and precise object detection capabilities.
  • Packaging/Quantity: It is commonly sold in reels containing a specific quantity, typically 1000 units per reel.

Specifications

  • Operating Wavelength: 950 nm
  • Output Configuration: Phototransistor
  • Supply Voltage: 5 V
  • Output Current: 20 mA
  • Response Time: 3 µs
  • Operating Temperature Range: -25°C to 85°C

Detailed Pin Configuration

The GP1A44E1 sensor has a standard 4-pin configuration: 1. Pin 1: Anode 2. Pin 2: Cathode 3. Pin 3: Collector 4. Pin 4: Emitter

Functional Features

  • High sensitivity to detect objects accurately
  • Fast response time for real-time applications
  • Reliable performance across varying environmental conditions

Advantages and Disadvantages

Advantages

  • High sensitivity enhances accuracy
  • Fast response time for time-critical applications
  • Compact package for easy integration into different systems

Disadvantages

  • Limited operating temperature range
  • Sensitivity to ambient light may require additional shielding in some applications

Working Principles

The GP1A44E1 operates based on the principle of light modulation. When an object is present, it obstructs the light path between the LED emitter and the phototransistor, causing a change in the output signal. This change is then processed to determine the presence or absence of the object.

Detailed Application Field Plans

The GP1A44E1 sensor finds extensive use in various applications, including: - Object detection in automated manufacturing processes - Position sensing in robotics and machinery - Proximity sensing in consumer electronics and appliances - Motion detection in security systems

Detailed and Complete Alternative Models

Some alternative models to GP1A44E1 include: - GP1A57HRJ00F from Sharp - TCST2103 from Vishay - EE-SX670 from Omron

In conclusion, the GP1A44E1 optical sensor offers high sensitivity and fast response time, making it suitable for diverse object detection applications. Despite its limitations in operating temperature range and susceptibility to ambient light, it remains a popular choice due to its reliability and compact design.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací GP1A44E1 v technických řešeních

  1. What is GP1A44E1?

    • GP1A44E1 is a compact, thin, and highly sensitive photointerrupter with a built-in emitter and detector for interrupting light beams.

  2. What are the typical applications of GP1A44E1?

    • It is commonly used in printers, copiers, facsimiles, vending machines, home appliances, industrial equipment, and various other technical solutions that require precise detection of objects or motion.

  3. What is the operating voltage range of GP1A44E1?

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

  4. How does GP1A44E1 detect objects or motion?

    • It uses an infrared LED emitter and a phototransistor detector to sense interruptions in the light beam, providing a signal when an object or motion is detected.

  5. What is the typical response time of GP1A44E1?

    • The typical response time is around 3 microseconds.

  6. Can GP1A44E1 be used in harsh environments?

    • Yes, it has a wide operating temperature range and can withstand moderate levels of environmental stress.

  7. What is the recommended circuit configuration for GP1A44E1?

    • A simple pull-up resistor configuration is often used to interface GP1A44E1 with microcontrollers or other digital circuits.

  8. Is GP1A44E1 available in surface-mount packages?

    • Yes, it is available in surface-mount packages, making it suitable for compact and densely populated PCB designs.

  9. Does GP1A44E1 have any special power-saving features?

    • Yes, it has low power consumption and can be used in battery-powered devices.

  10. Are there any precautions to consider when using GP1A44E1?

    • It is important to avoid exposing the device to direct sunlight or other intense light sources, as this can affect its performance. Additionally, proper ESD precautions should be taken during handling and installation to prevent damage to the device.