TSOP31256 Infrared Receiver Module

Product Overview

The TSOP31256 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, such as televisions, DVD players, and air conditioners. The module is characterized by its high sensitivity, low power consumption, and compact package. It is typically supplied in tape and reel packaging, with a quantity of 100 pieces per reel.

Specifications

• Supply Voltage: 2.5V to 5.5V
• Carrier Frequency: 56kHz
• Supply Current: 350µA
• Operating Temperature: -25°C to 85°C
• Output Voltage: 0.4V (min) / Vcc (max)

Pin Configuration

The TSOP31256 module features a 3-pin configuration: 1. OUT (Output) 2. GND (Ground) 3. VS (Supply Voltage)

Functional Features

The module is designed to receive infrared signals modulated at a frequency of 56kHz. It filters out disturbances from sunlight and other light sources, ensuring reliable operation in various lighting conditions. The output signal is active low, providing a straightforward interface with microcontrollers and other digital circuits.

Advantages and Disadvantages

Advantages

• High sensitivity to infrared signals
• Wide supply voltage range
• Low power consumption
• Compact and easy-to-use package

Disadvantages

• Limited carrier frequency compatibility
• Susceptible to interference from ambient light sources

Working Principles

When exposed to infrared radiation modulated at 56kHz, the TSOP31256 generates a corresponding output signal. This signal can be utilized to decode remote control commands, making it an essential component in various consumer electronic devices.

Application Field Plans

The TSOP31256 is commonly employed in the following applications: - Remote controls for TVs, audio systems, and set-top boxes - Infrared data transmission systems - Presence detection and proximity sensing

Alternative Models

For those seeking alternatives to the TSOP31256, the following models are worth considering: - TSOP38256: Similar specifications with improved ambient light immunity - TSOP48456: Higher sensitivity and extended operating temperature range

In conclusion, the TSOP31256 infrared receiver module offers a reliable and efficient solution for remote control systems in consumer electronics. Its high sensitivity, low power consumption, and compact design make it a popular choice among manufacturers and designers.

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