Vishay Semiconductor Opto Division
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TSOP34856
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TSOP34856

Product Overview

Category

The TSOP34856 belongs to the category of infrared receivers.

Use

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

Characteristics

  • High sensitivity
  • Low power consumption
  • Photodetector and preamplifier in one package
  • Internal filter for PCM frequency
  • Shielding against electrical field disturbance

Package

The TSOP34856 is available in a standard 3-pin epoxy package.

Essence

This product is essential for applications requiring remote control functionality using infrared signals.

Packaging/Quantity

The TSOP34856 is typically available in reels with varying quantities based on manufacturer specifications.

Specifications

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

Detailed Pin Configuration

The TSOP34856 has 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
  • Suitable for all common IR carrier frequencies
  • Compatible with automatic assembly equipment

Advantages and Disadvantages

Advantages

  • High sensitivity allows for long-range reception
  • Low power consumption prolongs battery life in portable devices
  • Integrated photodetector and preamplifier simplify circuit design

Disadvantages

  • Limited to specific carrier frequencies
  • Susceptible to interference from other infrared sources

Working Principles

The TSOP34856 operates by receiving modulated infrared signals from a remote control. The internal filter ensures that only signals at the specified carrier frequency are detected. Upon reception, the device converts the infrared signal into a digital output, which can be further processed by the connected microcontroller or decoder.

Detailed Application Field Plans

The TSOP34856 is widely used in various applications, including: - Consumer electronics such as TVs, DVD players, and air conditioners - Home automation systems for controlling lights, fans, and appliances - Industrial automation for remote control of machinery and equipment - Automotive applications for in-car entertainment and climate control systems

Detailed and Complete Alternative Models

Some alternative models to the TSOP34856 include: - TSOP38438: Similar characteristics with a different carrier frequency - TSOP31238: Lower supply voltage and wider operating temperature range - TSOP48438: Enhanced immunity to ambient light and electrical interference

In conclusion, the TSOP34856 is a versatile infrared receiver with high sensitivity and low power consumption, making it suitable for a wide range of remote control applications across various industries.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de TSOP34856 em soluções técnicas

Sure, here are 10 common questions and answers related to the application of TSOP34856:

  1. What is TSOP34856?

    • TSOP34856 is a miniaturized IR receiver module for infrared remote control systems.

  2. What is the operating voltage range of TSOP34856?

    • The operating voltage range of TSOP34856 is typically between 2.5V and 5.5V.

  3. What is the typical reception range of TSOP34856?

    • The typical reception range of TSOP34856 is around 45 meters.

  4. What is the carrier frequency of TSOP34856?

    • The carrier frequency of TSOP34856 is typically 38kHz.

  5. How does TSOP34856 filter out noise from ambient light?

    • TSOP34856 uses a built-in AGC (Automatic Gain Control) to filter out noise from ambient light.

  6. Can TSOP34856 be used with different types of remote controls?

    • Yes, TSOP34856 can be used with various types of remote controls that operate at 38kHz.

  7. What is the output signal format of TSOP34856?

    • The output signal format of TSOP34856 is active low.

  8. Does TSOP34856 require any external components for operation?

    • No, TSOP34856 does not require any external components for its operation.

  9. What is the typical power consumption of TSOP34856?

    • The typical power consumption of TSOP34856 is very low, typically around 350µA.

  10. Can TSOP34856 be used in battery-powered applications?

    • Yes, TSOP34856's low power consumption makes it suitable for use in battery-powered applications.

I hope these questions and answers are helpful! Let me know if you need further assistance.