TSOP75438WTR

Product Overview

TSOP75438WTR belongs to the category of infrared receivers. It is commonly used in remote control systems for consumer electronics such as televisions, DVD players, and air conditioners. The device is characterized by its high sensitivity, low power consumption, and compact package. It is typically available in a surface-mount package and is essential for receiving and decoding infrared signals from remote controls. The packaging usually consists of tape and reel for automated assembly, with a quantity of around 2500 pieces per reel.

Specifications

• Supply Voltage: 2.5V to 5.5V
• Carrier Frequency: 38kHz
• Output Frequency: 1kHz
• Operating Temperature Range: -25°C to 85°C
• Package Type: Surface Mount
• Package/Case: 3-SMD, No Lead
• Sensing Distance: Up to 45 meters

Detailed Pin Configuration

The TSOP75438WTR has a 3-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 Power Consumption
• Photodetector and Pre-amplifier in One Package
• Internal Filter for PCM Frequency
• TTL and CMOS Compatibility

Advantages and Disadvantages

Advantages

• High Sensitivity
• Wide Sensing Distance
• Compact Size
• Low Power Consumption
• Compatibility with Various Microcontrollers

Disadvantages

• Limited Carrier Frequency Range
• Susceptible to Direct Sunlight Interference

Working Principles

The TSOP75438WTR operates based on the principle of detecting modulated infrared signals. When an infrared signal at the specified carrier frequency is received, the device demodulates the signal and provides a corresponding output.

Detailed Application Field Plans

The TSOP75438WTR is widely used in various applications including: - Remote Control Systems for Consumer Electronics - Infrared Data Transmission - Proximity Sensors - Object Detection Systems

Detailed and Complete Alternative Models

Some alternative models to TSOP75438WTR include: - TSOP34438: Similar specifications with a different package type - TSOP48438: Higher sensitivity and wider operating temperature range - TSOP58438: Enhanced immunity against ambient light

In conclusion, the TSOP75438WTR is a crucial component in remote control systems and infrared data transmission applications due to its high sensitivity, compact size, and low power consumption. While it offers several advantages, such as wide sensing distance and compatibility with various microcontrollers, it also has limitations, including susceptibility to direct sunlight interference. Understanding its specifications, pin configuration, functional features, and application field plans is essential for effectively integrating this device into electronic designs.

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