IRD3902: Product Overview and Specifications

Introduction

The IRD3902 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 IRD3902, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Infrared Receiver Module
• Use: Receiving and decoding infrared signals
• Characteristics: High sensitivity, compact size, low power consumption
• Package: DIP (Dual Inline Package)
• Essence: Efficient reception and decoding of infrared signals
• Packaging/Quantity: Typically packaged in reels with varying quantities based on manufacturer specifications

Specifications

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

Detailed Pin Configuration

The IRD3902 typically features a standard pin configuration, including power supply pins, output pin, and ground pin. The detailed pinout is as follows: 1. VCC (Power Supply) 2. GND (Ground) 3. OUT (Output)

Functional Features

• High Sensitivity: Capable of receiving weak infrared signals
• Wide Operating Voltage Range: Can operate within a broad voltage range
• Compact Size: Suitable for integration into small electronic devices
• Low Power Consumption: Energy-efficient operation

Advantages and Disadvantages

Advantages

• Reliable reception of infrared signals
• Versatile operating voltage range
• Compact form factor for easy integration

Disadvantages

• Limited carrier frequency compatibility
• Sensitivity may be affected by ambient light interference

Working Principles

The IRD3902 operates by receiving modulated infrared signals through its photodetector. Upon reception, the module decodes the signals and provides the corresponding output, making it suitable for remote control applications and other infrared communication systems.

Detailed Application Field Plans

The IRD3902 finds extensive use in various applications, including: - Remote control systems for consumer electronics - Infrared data transmission in industrial automation - Proximity sensing in automotive applications - Infrared communication in smart home devices

Detailed and Complete Alternative Models

Several alternative models to the IRD3902 include: - TSOP38238: Similar operating characteristics with different packaging - SFH5110: Higher sensitivity and wider operating temperature range - TSMP58000: Lower power consumption and smaller footprint

In conclusion, the IRD3902 is a reliable and efficient infrared receiver module with a wide range of applications in the electronics industry. Its high sensitivity, compact size, and low power consumption make it a popular choice for designers and engineers seeking robust infrared communication solutions.

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