Vishay Semiconductor Opto Division
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TSSP4038
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TSSP4038 Infrared Sensor

Product Overview

Category

The TSSP4038 belongs to the category of infrared sensors.

Use

It is used for detecting infrared radiation in various applications such as remote controls, presence detection, and proximity sensing.

Characteristics

  • The sensor has a high sensitivity to infrared radiation.
  • It operates at a specific frequency, making it suitable for use with modulated IR signals.
  • It has a compact design and low power consumption.

Package

The TSSP4038 is typically available in a small, surface-mount package.

Essence

The essence of the TSSP4038 lies in its ability to accurately detect and respond to infrared signals, making it an essential component in many electronic devices.

Packaging/Quantity

The sensor is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Operating Voltage: 2.5V to 5.5V
  • Carrier Frequency: 38 kHz
  • Supply Current: 350 µA
  • Detection Range: Up to several meters
  • Output: Digital (TTL) active low

Detailed Pin Configuration

The TSSP4038 typically consists of three pins: 1. VCC (Power supply) 2. GND (Ground) 3. OUT (Output)

Functional Features

  • High sensitivity to infrared radiation at 38 kHz frequency.
  • Low power consumption, making it suitable for battery-operated devices.
  • Digital output simplifies interfacing with microcontrollers and other digital circuits.

Advantages

  • Accurate and reliable detection of modulated IR signals.
  • Wide operating voltage range allows for versatile integration into different systems.
  • Small form factor enables easy integration into compact designs.

Disadvantages

  • Limited to detecting specific frequencies, which may not be suitable for all applications.
  • Susceptible to interference from ambient light sources emitting similar frequencies.

Working Principles

The TSSP4038 operates based on the principle of detecting modulated infrared signals. When exposed to infrared radiation at the specified frequency, the sensor's internal circuitry triggers the output signal, indicating the presence of the IR signal.

Detailed Application Field Plans

The TSSP4038 finds application in various fields, including: - Remote control systems for consumer electronics - Proximity sensing in automated doors and sanitary equipment - Presence detection in security systems and occupancy sensing in smart buildings

Detailed and Complete Alternative Models

Some alternative models to the TSSP4038 include: - TSOP38238: Similar characteristics with a slightly different pin configuration - TSOP4840: Higher sensitivity and wider detection range

In conclusion, the TSSP4038 infrared sensor offers high sensitivity and low power consumption, making it suitable for diverse applications requiring accurate detection of modulated IR signals within a specific frequency range.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TSSP4038 i tekniska lösningar

  1. What is TSSP4038?

    • TSSP4038 is an infrared sensor module used for proximity sensing and object detection.

  2. What is the operating voltage of TSSP4038?

    • The operating voltage of TSSP4038 is typically 2.5V to 5.5V.

  3. How does TSSP4038 detect objects?

    • TSSP4038 detects objects by emitting and receiving infrared light, and then analyzing the reflected signal to determine the presence of an object.

  4. What is the typical range of detection for TSSP4038?

    • The typical range of detection for TSSP4038 is around 30cm, but it can vary based on environmental conditions.

  5. Can TSSP4038 be used in outdoor environments?

    • TSSP4038 is primarily designed for indoor use and may not perform optimally in outdoor environments due to interference from natural light and other sources.

  6. What are the typical applications of TSSP4038?

    • TSSP4038 is commonly used in applications such as proximity sensors for touchless switches, object detection in robotics, and obstacle detection in automated systems.

  7. Does TSSP4038 require any external components for operation?

    • TSSP4038 typically requires a resistor and capacitor for proper operation, as specified in the datasheet.

  8. What is the output signal format of TSSP4038?

    • TSSP4038 provides a digital output signal that indicates the presence or absence of an object within its detection range.

  9. Can TSSP4038 differentiate between different types of objects?

    • TSSP4038 is primarily designed to detect the presence of objects and may not have the capability to differentiate between different types of objects based on material or size.

  10. Are there any special considerations for mounting TSSP4038?

    • It is important to mount TSSP4038 in a way that minimizes interference from ambient light sources and provides a clear line of sight for detection. Additionally, proper shielding may be required in certain applications to prevent false triggers.