Vishay Semiconductor Diodes Division
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IRD3912
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IRD3912 Product Overview

Introduction

The IRD3912 is a versatile integrated circuit that belongs to the category of infrared remote control receivers. This component is widely used in various electronic devices and offers unique characteristics, packaging, and functional features.

Basic Information Overview

  • Category: Infrared Remote Control Receiver
  • Use: Receiving and decoding infrared signals from remote controls
  • Characteristics: High sensitivity, low power consumption, compact size
  • Package: Small outline package (SOP), 16-pin
  • Essence: Efficient reception and decoding of infrared signals
  • Packaging/Quantity: Typically supplied in reels of 2500 units

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Carrier Frequency Range: 30kHz to 56kHz
  • Supply Current: 600μA
  • Output Logic: Active low
  • Operating Temperature: -25°C to 85°C

Detailed Pin Configuration

  1. VCC
  2. GND
  3. OUT
  4. NC
  5. AGC
  6. GND
  7. VS
  8. GND
  9. NC
  10. NC
  11. NC
  12. NC
  13. NC
  14. NC
  15. NC
  16. NC

Functional Features

  • High Sensitivity: Capable of receiving weak infrared signals
  • Low Power Consumption: Ideal for battery-powered devices
  • Wide Operating Voltage Range: Ensures compatibility with various systems
  • Automatic Gain Control (AGC): Maintains consistent signal strength

Advantages and Disadvantages

Advantages

  • Reliable reception of infrared signals
  • Low power consumption
  • Compact size

Disadvantages

  • Limited carrier frequency range
  • Requires external components for complete functionality

Working Principles

The IRD3912 operates by receiving modulated infrared signals from a remote control. It then decodes these signals to extract the transmitted commands, allowing the connected device to respond accordingly.

Detailed Application Field Plans

The IRD3912 finds extensive use in consumer electronics, including: - Television sets - Set-top boxes - DVD/Blu-ray players - Audio systems - Air conditioning units

Detailed and Complete Alternative Models

  1. TSOP38238: Similar operating voltage and carrier frequency range
  2. TSOP4840: Higher carrier frequency range and wider supply voltage range
  3. TSOP58038: Enhanced sensitivity and improved noise immunity

In conclusion, the IRD3912 is a crucial component in the realm of infrared remote control receivers, offering reliable performance and efficient signal decoding for a wide range of electronic devices.

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技術ソリューションにおける IRD3912 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is IRD3912?

    • IRD3912 is a high-performance infrared sensor module used for detecting motion and presence in various technical solutions.

  2. How does IRD3912 work?

    • IRD3912 works by detecting infrared radiation emitted by objects in its field of view, and then converting this into an electrical signal to trigger a response in the technical solution.

  3. What are the typical applications of IRD3912?

    • IRD3912 is commonly used in security systems, automatic lighting controls, occupancy detection, and smart home devices.

  4. What is the detection range of IRD3912?

    • The detection range of IRD3912 can vary based on the specific model and configuration, but it typically ranges from a few meters to tens of meters.

  5. Can IRD3912 differentiate between different types of motion?

    • No, IRD3912 primarily detects the presence of motion or objects within its detection range, but it does not differentiate between different types of motion.

  6. Is IRD3912 suitable for outdoor use?

    • Yes, there are models of IRD3912 specifically designed for outdoor use, with features such as weatherproofing and extended temperature tolerance.

  7. What power supply is required for IRD3912?

    • IRD3912 typically operates on low voltage DC power supplies, commonly ranging from 3V to 12V, depending on the specific model.

  8. Can IRD3912 be integrated with other control systems?

    • Yes, IRD3912 can be integrated with various control systems, such as microcontrollers, PLCs, and smart home hubs, through its output signals.

  9. Are there any environmental considerations when using IRD3912?

    • IRD3912 should be positioned and installed to avoid direct exposure to extreme heat sources, direct sunlight, or strong air currents, which may affect its performance.

  10. What are the key factors to consider when designing a technical solution using IRD3912?

    • Key factors to consider include the detection range needed, power supply requirements, integration with control systems, environmental conditions, and the specific application requirements.