TSOP77438TT

Introduction

The TSOP77438TT is a component belonging to the category of infrared receivers. This device is widely used in remote control systems, security systems, and other applications that require the reception of infrared signals. The TSOP77438TT is known for its high sensitivity, compact package, and reliable performance.

Basic Information Overview

• Category: Infrared Receiver
• Use: Remote control systems, security systems
• Characteristics: High sensitivity, compact package
• Package: 3-pin epoxy package
• Essence: Reliable reception of infrared signals
• Packaging/Quantity: Available in reels of 1000 pieces

Specifications

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

Detailed Pin Configuration

The TSOP77438TT has a 3-pin configuration: 1. OUT (Pin 1): Output 2. GND (Pin 2): Ground 3. VS (Pin 3): Supply Voltage

Functional Features

• High immunity against ambient light
• Improved shielding against electrical field disturbances
• Low power consumption
• Photodetector and preamplifier in one package

Advantages and Disadvantages

Advantages

• High sensitivity
• Wide operating voltage range
• Compact size
• Reliable performance in various environments

Disadvantages

• Limited carrier frequency compatibility
• Sensitivity to direct sunlight

Working Principles

The TSOP77438TT operates based on the principle of receiving modulated infrared signals. When exposed to infrared radiation at the specified carrier frequency, the device generates an output signal proportional to the intensity of the received signal.

Detailed Application Field Plans

The TSOP77438TT is commonly used in the following applications: - Remote control systems for consumer electronics - Security systems for intrusion detection - Infrared data transmission for short-range communication

Detailed and Complete Alternative Models

Some alternative models to the TSOP77438TT include: - TSOP38238: Similar characteristics with a different pin configuration - TSOP48438: Higher transmission range with similar operating parameters - TSOP57238: Enhanced immunity to ambient light with comparable specifications

In conclusion, the TSOP77438TT is a reliable and versatile infrared receiver suitable for various remote control and security applications. Its high sensitivity, compact package, and consistent performance make it a preferred choice for designers and engineers in need of robust infrared reception capabilities.

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