TSOP38538 Infrared Receiver Module

Introduction

The TSOP38538 is an infrared receiver module designed for remote control systems. It belongs to the category of electronic components and is widely used in consumer electronics, industrial automation, and automotive applications. This module possesses unique characteristics that make it suitable for receiving infrared signals from remote controls and other devices. The TSOP38538 is available in a compact package and offers essential features for reliable infrared signal reception.

Basic Information Overview

• Category: Electronic Components
• Use: Remote Control Systems
• Characteristics: High sensitivity, Compact design
• Package: 3-pin epoxy package
• Essence: Infrared signal reception
• Packaging/Quantity: Available in reels or tubes

Specifications

• Carrier Frequency: 38 kHz
• Supply Voltage: 2.5V to 5.5V
• Supply Current: 350 µA
• Output Voltage: 0.4V (min) / 3.3V (max)
• Transmission Range: Up to 45 meters
• Operating Temperature: -25°C to 85°C

Detailed Pin Configuration

The TSOP38538 module has three pins: 1. OUT (Pin 1): Output 2. GND (Pin 2): Ground 3. VS (Pin 3): Supply Voltage

Functional Features

• High sensitivity to infrared signals at 38 kHz
• Low supply current for power efficiency
• Compatible with various remote control protocols
• Reliable noise suppression capabilities

Advantages and Disadvantages

Advantages

• Wide operating voltage range
• Compact and easy-to-use package
• Excellent ambient light immunity
• Suitable for battery-powered applications

Disadvantages

• Limited carrier frequency compatibility
• Sensitive to external electrical noise

Working Principles

The TSOP38538 operates based on the principle of detecting modulated infrared signals at a carrier frequency of 38 kHz. When exposed to infrared radiation at this frequency, the module generates a corresponding output signal, making it ideal for receiving commands from remote controls and similar devices.

Detailed Application Field Plans

The TSOP38538 finds extensive use in the following application fields: - Television and multimedia remote controls - Home automation systems - Industrial remote control equipment - Automotive infrared communication systems

Detailed and Complete Alternative Models

Some alternative models to the TSOP38538 include: - TSOP38238: Similar specifications with a different pin configuration - TSOP38438: Higher sensitivity variant for longer transmission ranges - TSOP39338: Enhanced noise immunity for challenging environments

In conclusion, the TSOP38538 infrared receiver module offers a reliable solution for receiving infrared signals in various electronic applications. Its compact design, high sensitivity, and compatibility with standard remote control protocols make it a preferred choice for designers and engineers seeking efficient infrared communication solutions.

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