Vishay Semiconductor Opto Division
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TSOP14238
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TSOP14238

Introduction

The TSOP14238 is an infrared receiver module that belongs to the category of electronic components used for remote control applications. This device is widely utilized in consumer electronics, such as televisions, DVD players, and air conditioners, to receive signals from remote controls. The TSOP14238 is known for its high sensitivity, compact package, and reliable performance.

Basic Information Overview

  • Category: Infrared Receiver Module
  • Use: Remote Control Applications
  • Characteristics: High Sensitivity, Compact Package
  • Package: 3-pin epoxy package
  • Essence: Reliable signal reception
  • Packaging/Quantity: Typically available in reels of 1000 pieces

Specifications

  • Carrier Frequency: 38 kHz
  • Supply Voltage: 2.5V to 5.5V
  • Supply Current: 350 µA
  • Transmission Range: Up to 45 meters
  • Operating Temperature: -25°C to +85°C

Detailed Pin Configuration

  1. OUT (Output)
  2. GND (Ground)
  3. VS (Supply Voltage)

Functional Features

  • High Immunity against Ambient Light
  • Improved Shielding against Electrical Field Disturbances
  • Low Supply Current
  • Photo Detector and Pre-amplifier in One Package
  • Internal Filter for PCM Frequency

Advantages

  • High Sensitivity
  • Wide Operating Voltage Range
  • Compact Size
  • Easy Integration into Circuit Designs
  • Reliable Performance in Various Lighting Conditions

Disadvantages

  • Limited Carrier Frequency Compatibility
  • Susceptibility to Direct Sunlight Interference

Working Principles

The TSOP14238 operates based on the principle of receiving modulated infrared signals. When exposed to infrared radiation at a frequency of 38 kHz, the internal photo detector converts the light signals into electrical pulses, which are then amplified and filtered to extract the modulating signal.

Detailed Application Field Plans

The TSOP14238 finds extensive application in various consumer electronic devices, including: - Television Sets - DVD Players - Air Conditioners - Set-top Boxes - Audio Systems

Detailed and Complete Alternative Models

  1. TSOP4838
    • Carrier Frequency: 38 kHz
    • Supply Voltage: 2.5V to 5.5V
    • Transmission Range: Up to 45 meters
  2. TSOP38238
    • Carrier Frequency: 38 kHz
    • Supply Voltage: 2.5V to 5.5V
    • Transmission Range: Up to 45 meters
  3. TSOP36238
    • Carrier Frequency: 38 kHz
    • Supply Voltage: 2.5V to 5.5V
    • Transmission Range: Up to 45 meters

In conclusion, the TSOP14238 is a highly sensitive and reliable infrared receiver module designed for remote control applications in consumer electronics. Its compact size, wide operating voltage range, and immunity to ambient light make it a popular choice among manufacturers seeking dependable remote control functionality.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TSOP14238 i tekniska lösningar

Sure, here are 10 common questions and answers related to the application of TSOP14238:

  1. What is TSOP14238?

    • TSOP14238 is a miniaturized receiver for infrared remote control systems.

  2. What is the operating voltage range of TSOP14238?

    • The operating voltage range of TSOP14238 is typically between 2.5V and 5.5V.

  3. What is the typical reception range of TSOP14238?

    • The typical reception range of TSOP14238 is around 45 meters.

  4. What is the carrier frequency of TSOP14238?

    • The carrier frequency of TSOP14238 is typically 38kHz.

  5. What is the output signal of TSOP14238?

    • The output signal of TSOP14238 is active low and it provides a demodulated output signal.

  6. How does TSOP14238 filter out noise from ambient light?

    • TSOP14238 uses a built-in AGC (Automatic Gain Control) to filter out noise from ambient light.

  7. Can TSOP14238 be used with different types of remote controls?

    • Yes, TSOP14238 can be used with most standard remote controls that operate at 38kHz.

  8. What is the typical power consumption of TSOP14238?

    • The typical power consumption of TSOP14238 is very low, typically around 5.5mA.

  9. Can TSOP14238 be used in battery-powered devices?

    • Yes, TSOP14238's low power consumption makes it suitable for use in battery-powered devices.

  10. What are some common applications of TSOP14238?

    • Common applications of TSOP14238 include remote control systems for TVs, audio equipment, air conditioners, and other consumer electronics.