TSOP31438 Infrared Receiver Module

Product Overview

TSOP31438 is an infrared receiver module used for remote control systems. It falls under the category of electronic components and is widely utilized in consumer electronics for receiving and decoding infrared signals from remote controls. The module is characterized by its high sensitivity, low power consumption, and compact package. It is typically available in a standard 3-pin through-hole package and is essential for enabling remote control functionality in various devices.

Basic Information

• Category: Electronic Components
• Use: Receiving and decoding infrared signals from remote controls
• Characteristics: High sensitivity, low power consumption, compact package
• Package: Standard 3-pin through-hole package
• Essence: Essential for remote control functionality
• Packaging/Quantity: Typically supplied in reels or tubes with varying quantities

Specifications

• Operating Voltage: 2.5V to 5.5V
• Carrier Frequency: 38kHz
• Supply Current: 350µA
• Transmission Range: Up to 45 meters
• Output: Active low
• Operating Temperature: -25°C to 85°C

Detailed Pin Configuration

The TSOP31438 module features three pins: 1. OUT (Pin 1): Output pin, provides active low output when a valid IR signal is received. 2. GND (Pin 2): Ground pin, connected to the ground terminal of the circuit. 3. VS (Pin 3): Supply voltage pin, connected to the positive supply voltage.

Functional Features

• High sensitivity to infrared signals
• Low power consumption for energy-efficient operation
• Wide transmission range for versatile applications
• Compact and easy-to-integrate package design

Advantages and Disadvantages

Advantages

• Reliable reception of infrared signals
• Low power requirements
• Suitable for long-range applications

Disadvantages

• Limited compatibility with certain IR protocols
• Susceptible to interference from ambient light sources

Working Principles

The TSOP31438 operates based on the principle of detecting modulated infrared signals at a carrier frequency of 38kHz. When exposed to an appropriate IR signal, the module demodulates the incoming signal and provides an active low output, indicating the reception of a valid command.

Detailed Application Field Plans

The TSOP31438 finds extensive use in various consumer electronics, including: - Television sets - Set-top boxes - Air conditioning units - DVD/Blu-ray players - Audio systems - Remote-controlled toys

Detailed and Complete Alternative Models

• TSOP31238: Similar specifications with a different carrier frequency
• TSOP34438: Enhanced sensitivity and wider operating temperature range
• TSOP38238: Lower power consumption and smaller package size

In conclusion, the TSOP31438 infrared receiver module serves as a crucial component in remote control systems, offering high sensitivity, low power consumption, and reliable performance. Its compact design and wide application field make it an indispensable choice for integrating remote control functionality into various electronic devices.

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