Vishay Semiconductor Opto Division
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TSOP77438TR
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TSOP77438TR

Product Overview

The TSOP77438TR is an infrared receiver module designed for remote control systems. It falls under the category of electronic components and is commonly used in consumer electronics such as televisions, DVD players, and set-top boxes. The module is characterized by its high sensitivity, low power consumption, and compact package. It is typically supplied in tape and reel packaging with a specified quantity per reel.

Specifications

  • Operating Voltage: 2.5V to 5.5V
  • Carrier Frequency: 38kHz
  • Supply Current: 350µA
  • Transmission Range: 45m
  • Package Type: Surface Mount
  • Package Size: 3mm x 3mm x 1.55mm

Detailed Pin Configuration

The TSOP77438TR features a standard pin configuration with three pins: 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

Advantages and Disadvantages

Advantages

  • High Sensitivity
  • Wide Transmission Range
  • Compact Design
  • Low Power Consumption

Disadvantages

  • Limited Carrier Frequency Compatibility
  • Susceptible to Direct Sunlight Interference

Working Principles

The TSOP77438TR operates based on the principle of receiving modulated infrared signals from a remote control. When exposed to infrared radiation at the specified carrier frequency, the module's photo detector converts the signal into an electrical output, which can be further processed by the connected circuitry.

Detailed Application Field Plans

The TSOP77438TR is widely used in various applications, including: - Remote Control Systems for Consumer Electronics - Infrared Data Transmission - Proximity Sensors - Object Detection Systems

Detailed and Complete Alternative Models

Some alternative models to the TSOP77438TR include: - TSOP38238 - TSOP4840 - TSOP31238

In conclusion, the TSOP77438TR is a versatile infrared receiver module with high sensitivity and low power consumption, making it suitable for a wide range of remote control and infrared communication applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TSOP77438TR v technických řešeních

  1. What is the TSOP77438TR?

    • The TSOP77438TR is a miniaturized IR receiver module for infrared remote control systems.

  2. What is the operating voltage range of TSOP77438TR?

    • The operating voltage range of TSOP77438TR is typically 2.5V to 5.5V.

  3. What is the typical reception range of TSOP77438TR?

    • The typical reception range of TSOP77438TR is around 45 meters.

  4. What is the carrier frequency of TSOP77438TR?

    • The carrier frequency of TSOP77438TR is typically 38kHz.

  5. What is the output signal format of TSOP77438TR?

    • The output signal format of TSOP77438TR is active low.

  6. What is the typical supply current of TSOP77438TR?

    • The typical supply current of TSOP77438TR is around 350µA.

  7. What is the pinout configuration of TSOP77438TR?

    • The TSOP77438TR has a 3-pin configuration: VCC, GND, and OUT.

  8. Can TSOP77438TR be used in battery-powered applications?

    • Yes, TSOP77438TR can be used in battery-powered applications due to its low power consumption.

  9. Is TSOP77438TR compatible with common microcontrollers?

    • Yes, TSOP77438TR is compatible with common microcontrollers and can be easily integrated into various technical solutions.

  10. What are some common applications of TSOP77438TR?

    • Common applications of TSOP77438TR include remote controls, infrared data transmission, and infrared proximity sensors.