Vishay Semiconductor Opto Division
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TSOP77P38TR
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TSOP77P38TR

Product Overview

Category

The TSOP77P38TR belongs to the category of infrared remote control receivers.

Use

It is used for receiving and decoding infrared signals from remote controls.

Characteristics

  • High sensitivity
  • Wide operating voltage range
  • Low power consumption
  • Suitable for all common IR carrier frequencies
  • Photodetector and preamplifier in one package

Package

The TSOP77P38TR comes in a standard 3-pin epoxy package.

Essence

The essence of TSOP77P38TR lies in its ability to accurately receive and decode infrared signals, making it an essential component in various electronic devices.

Packaging/Quantity

The TSOP77P38TR is typically available in reels with a quantity of 1000 pieces per reel.

Specifications

  • Supply Voltage: 2.5V to 5.5V
  • Carrier Frequency: 38 kHz
  • Output Signal: Active low
  • Transmission Range: Up to 45 meters
  • Operating Temperature Range: -25°C to 85°C

Detailed Pin Configuration

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

Functional Features

  • Automatic Gain Control (AGC) for improved immunity against ambient light disturbances
  • Low supply current
  • Compatible with microcontrollers and digital signal processors
  • High immunity against ambient light

Advantages

  • Wide operating voltage range allows for versatile use
  • High sensitivity ensures reliable signal reception
  • Low power consumption contributes to energy efficiency
  • Compatibility with various IR carrier frequencies enhances flexibility in design

Disadvantages

  • Limited transmission range compared to some alternative models
  • Sensitive to direct sunlight and other strong light sources

Working Principles

The TSOP77P38TR operates based on the principle of detecting modulated infrared signals and converting them into corresponding electrical signals. The integrated automatic gain control helps in maintaining a consistent output signal even in the presence of ambient light.

Detailed Application Field Plans

The TSOP77P38TR finds extensive application in: - Television sets - DVD players - Set-top boxes - Air conditioners - Home automation systems - Remote control toys

Detailed and Complete Alternative Models

Some alternative models to TSOP77P38TR include: - TSOP48P38 - TSOP22P38 - TSOP33P38 - TSOP56P38

In conclusion, the TSOP77P38TR is a highly sensitive and efficient infrared remote control receiver that plays a crucial role in various consumer electronics and home automation systems.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TSOP77P38TR en soluciones técnicas

  1. What is TSOP77P38TR?

    • TSOP77P38TR is a surface-mount IR receiver module designed for remote control systems.

  2. What is the operating voltage range of TSOP77P38TR?

    • The operating voltage range of TSOP77P38TR is typically 2.5V to 5.5V.

  3. What is the typical carrier frequency range supported by TSOP77P38TR?

    • TSOP77P38TR typically supports carrier frequencies from 36 kHz to 38 kHz.

  4. What is the typical reception range of TSOP77P38TR?

    • The typical reception range of TSOP77P38TR is around 45 meters.

  5. Can TSOP77P38TR be used in battery-powered devices?

    • Yes, TSOP77P38TR's low power consumption makes it suitable for use in battery-powered devices.

  6. Does TSOP77P38TR have any built-in noise suppression features?

    • Yes, TSOP77P38TR has built-in noise suppression to enhance its performance in noisy environments.

  7. Is TSOP77P38TR compatible with standard IR remote control protocols?

    • Yes, TSOP77P38TR is compatible with various standard IR remote control protocols.

  8. What is the typical output signal format of TSOP77P38TR?

    • The typical output signal format of TSOP77P38TR is active low.

  9. Can TSOP77P38TR be used in automotive applications?

    • Yes, TSOP77P38TR can be used in automotive applications due to its robust design and reliability.

  10. Are there any specific layout considerations when using TSOP77P38TR on a PCB?

    • Yes, proper PCB layout and placement are important to ensure optimal performance of TSOP77P38TR, including minimizing interference and maximizing reception sensitivity.