Vishay Semiconductor Diodes Division
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IRD3903
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IRD3903: Product Overview and Specifications

Introduction

The IRD3903 is a versatile integrated circuit that belongs to the category of infrared receiver modules. This component is widely used in various electronic devices for receiving and decoding infrared signals. In this entry, we will provide an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the IRD3903.

Basic Information Overview

  • Category: Infrared Receiver Module
  • Use: Receiving and decoding infrared signals
  • Characteristics: High sensitivity, compact design, low power consumption
  • Package: Integrated circuit
  • Essence: Infrared signal reception and decoding
  • Packaging/Quantity: Typically available in tape and reel packaging with varying quantities

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Carrier Frequency: 38 kHz
  • Supply Current: 350 µA
  • Output Voltage: 0.4V (Low), 4.4V (High)
  • Operating Temperature: -25°C to 85°C

Detailed Pin Configuration

The IRD3903 typically consists of multiple pins including VCC, GND, OUT, and other specific pins for connecting to external components. A detailed pinout diagram can be found in the product datasheet.

Functional Features

  • Infrared Signal Reception: Capable of receiving infrared signals with high sensitivity.
  • Signal Decoding: Efficiently decodes received signals into digital output.
  • Low Power Consumption: Designed for minimal power usage, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

  • High sensitivity to infrared signals
  • Compact design for easy integration into various devices
  • Low power consumption for energy-efficient operation

Disadvantages

  • Limited operating temperature range
  • Requires external components for complete functionality

Working Principles

The IRD3903 operates by receiving modulated infrared signals through its dedicated receiver module. Upon reception, the module decodes the signals and provides a digital output based on the received data.

Detailed Application Field Plans

The IRD3903 finds extensive applications in remote controls, infrared communication systems, consumer electronics, and automation devices. Its ability to receive and decode infrared signals makes it an essential component in various electronic products.

Detailed and Complete Alternative Models

  • Alternative Model 1: IRD3904
    • Similar specifications and functionality with minor variations
  • Alternative Model 2: TSOP38238
    • Compatible infrared receiver module with comparable performance

In conclusion, the IRD3903 is a crucial component in the realm of infrared signal reception and decoding, offering high sensitivity and low power consumption. Its versatile nature makes it suitable for a wide range of applications in the electronics industry.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací IRD3903 v technických řešeních

  1. What is IRD3903?

    • IRD3903 is a high-speed, low-power, dual-channel digital isolator designed for use in industrial applications.

  2. What are the key features of IRD3903?

    • The key features of IRD3903 include 2.5kV isolation voltage, 150Mbps data rate, low power consumption, and wide operating temperature range.

  3. How is IRD3903 typically used in technical solutions?

    • IRD3903 is commonly used to provide galvanic isolation between different parts of a system, such as isolating communication interfaces, protecting sensitive components from high voltages, and reducing noise in analog signal chains.

  4. What are the benefits of using IRD3903 in technical solutions?

    • Using IRD3903 can improve system reliability, reduce electromagnetic interference, enhance safety by isolating high voltages, and simplify compliance with industry standards for electrical isolation.

  5. What are the typical input and output voltage levels supported by IRD3903?

    • IRD3903 supports input and output voltage levels ranging from 1.65V to 5.5V, making it compatible with a wide range of digital systems.

  6. Are there any specific layout or PCB design considerations when using IRD3903?

    • It's important to follow the recommended layout guidelines provided in the datasheet to ensure proper isolation and minimize signal distortion.

  7. Can IRD3903 be used in safety-critical applications?

    • Yes, IRD3903 is suitable for safety-critical applications, as it meets relevant safety standards and provides reinforced insulation.

  8. What are the typical power consumption figures for IRD3903?

    • The power consumption of IRD3903 is typically very low, making it suitable for battery-powered or energy-efficient devices.

  9. Does IRD3903 support bidirectional communication?

    • Yes, IRD3903 supports bidirectional communication, allowing it to be used in both transmit and receive paths.

  10. Where can I find additional resources and support for integrating IRD3903 into my technical solution?

    • Additional resources, including application notes, reference designs, and technical support, can be found on the manufacturer's website or by contacting their support team directly.