TSOP34438 Infrared Receiver Module

Product Overview

The TSOP34438 is an infrared receiver module designed for remote control systems. It falls under the category of electronic components and is widely used in consumer electronics, industrial automation, and automotive applications. The module is characterized by its high sensitivity, compact package, and reliable performance. It is typically available in a standard through-hole package and is essential for receiving and decoding infrared signals from remote controls. The packaging usually consists of a lead frame, epoxy lens, and IR filter, with variations in quantity based on manufacturer specifications.

Specifications

• Supply Voltage: 2.5V to 5.5V
• Carrier Frequency: 38 kHz
• Output Signal: Active Low
• Transmission Range: Up to 45 meters
• Operating Temperature: -25°C to +85°C
• Package Type: Through-Hole
• Package Quantity: Varies by Manufacturer

Pin Configuration

The TSOP34438 module typically consists of three pins: 1. OUT (Output) 2. GND (Ground) 3. VS (Supply Voltage)

Functional Features

• High Immunity against Ambient Light
• Improved Shielding against Electrical Field Disturbances
• Low Supply Current
• Photo Detector and Pre-amplifier in One Package

Advantages

• Wide Operating Voltage Range
• Long Transmission Range
• Reliable Performance in Various Lighting Conditions

Disadvantages

• Limited Carrier Frequency Compatibility
• Sensitivity to Direct Sunlight

Working Principles

The TSOP34438 operates based on the principle of modulated infrared signals. When exposed to infrared radiation at a frequency of 38 kHz, the module's photo detector generates a corresponding output signal. This signal is then processed to decode the transmitted information, making it suitable for use in remote control systems.

Application Field Plans

The TSOP34438 finds extensive application in various fields, including: - Consumer Electronics: TV, DVD, and Set-top Box Remote Controls - Industrial Automation: Infrared Sensing and Control Systems - Automotive: Car Entertainment Systems and Keyless Entry Remotes

Alternative Models

Some alternative models to the TSOP34438 include: - TSOP38238: Similar specifications with a different carrier frequency - TSOP48438: Higher sensitivity variant with extended transmission range - TSOP75438: Surface-mount package alternative for space-constrained designs

In conclusion, the TSOP34438 infrared receiver module is a versatile component with widespread applications in remote control systems across different industries. Its high sensitivity, reliable performance, and compact design make it a preferred choice for designers and engineers seeking robust infrared reception capabilities.

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