TSOP39256 Infrared Sensor

Product Overview

The TSOP39256 is an infrared sensor belonging to the category of photo modules for PCM remote control systems. It is commonly used in various electronic devices for receiving and decoding infrared signals from remote controls. The sensor possesses unique characteristics, comes in a compact package, and is essential for enabling remote control functionality in consumer electronics. The packaging typically includes a quantity of one sensor per package.

Specifications

• Supply Voltage: 2.5V to 5.5V
• Carrier Frequency: 56kHz
• Output Signal: Active Low
• Transmission Range: 45m
• Package Type: Through Hole
• Operating Temperature: -25°C to +85°C

Pin Configuration

The TSOP39256 features a standard pin configuration with three pins: 1. OUT (Output) 2. GND (Ground) 3. VS (Supply Voltage)

Functional Features

The sensor is designed to receive modulated infrared signals and convert them into electrical signals. It filters out disturbances from sunlight and other sources of noise, ensuring reliable operation in various lighting conditions. Additionally, it provides a high level of immunity against ambient light, making it suitable for indoor and outdoor applications.

Advantages and Disadvantages

Advantages

• High sensitivity to infrared signals
• Wide operating voltage range
• Compact and easy to integrate into circuit designs
• Excellent ambient light suppression

Disadvantages

• Limited transmission range compared to some alternatives
• Requires line-of-sight communication with the remote control

Working Principles

The TSOP39256 operates based on the principle of detecting modulated infrared signals. When exposed to infrared radiation at the specified carrier frequency, the sensor generates a corresponding output signal. This signal can then be processed by a microcontroller or decoder to interpret the transmitted commands.

Detailed Application Field Plans

The TSOP39256 is widely used in applications such as: - Television sets - DVD players - Set-top boxes - Air conditioners - Home automation systems - Remote control toys

Detailed and Complete Alternative Models

Some alternative models to the TSOP39256 include: - TSOP38256: Similar specifications with a different carrier frequency - TSOP48456: Higher transmission range and wider supply voltage range - TSOP57256: Enhanced sensitivity and improved noise immunity

In conclusion, the TSOP39256 infrared sensor is a crucial component in PCM remote control systems, offering reliable reception of infrared signals and enabling seamless integration into various electronic devices.

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