TSOP38438 Infrared Receiver Module

Product Overview

The TSOP38438 is an infrared receiver module designed for remote control systems. It falls under the category of electronic components and is commonly used in consumer electronics, such as televisions, audio equipment, and air conditioning units. The module's characteristics include high sensitivity, low power consumption, and a compact package. It is typically supplied in tape and reel packaging, with a quantity of 2000 units per reel.

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

Pin Configuration

The TSOP38438 module features a standard three-pin configuration: 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 Preamplifier in One Package
• Internal Filter for PCM Frequency
• TTL and CMOS Compatibility

Advantages and Disadvantages

Advantages

• High Sensitivity
• Wide Operating Voltage Range
• Compact Size
• Easy Integration into Circuit Designs
• Reliable Performance in Various Lighting Conditions

Disadvantages

• Limited Carrier Frequency Compatibility
• Susceptibility to Direct Sunlight Interference

Working Principles

The TSOP38438 operates based on the principle of receiving modulated infrared signals. When exposed to infrared radiation at a frequency of 38 kHz, the module's photo detector converts the light signal into an electrical signal, which is then amplified and output as a digital signal.

Application Field Plans

The TSOP38438 is widely used in the following applications: - Remote Control Systems for Consumer Electronics - Infrared Data Transmission - Presence Detection in Security Systems - Proximity Sensors in Automated Equipment

Alternative Models

For those seeking alternatives to the TSOP38438, the following models can be considered: - TSOP38238: Similar specifications with a different carrier frequency - TSOP48338: Higher transmission range and wider operating temperature range - TSOP31238: Lower supply voltage requirement and smaller package size

In conclusion, the TSOP38438 infrared receiver module offers high sensitivity and reliable performance in remote control and infrared communication applications. Its compact design and compatibility with various electronic systems make it a popular choice for manufacturers in the consumer electronics industry.

[Word Count: 386]