The IR2E27A is an infrared remote control receiver module manufactured by Sharp Microelectronics. This component is designed to detect and decode infrared signals transmitted by remote controls, commonly used in consumer electronics and other remote control applications. It integrates a photodiode, amplifier, and demodulation circuitry in a single package, providing a convenient and compact solution for adding remote control functionality to various devices.

Applications

• Televisions: Receives remote control commands for channel selection, volume control, and power on/off.
• DVD Players and Blu-ray Players: Enables remote operation of playback functions, menu navigation, and device settings.
• Audio Systems: Used in stereo receivers, amplifiers, and soundbars for remote volume control, input selection, and playback management.
• Air Conditioners: Allows remote adjustment of temperature, fan speed, and operating mode.
• Set-Top Boxes: Receives commands for channel surfing, program selection, and menu navigation.

Features

• Integrated Photodiode and Amplifier: Contains all necessary components for IR signal detection and amplification.
• Demodulation Circuitry: Decodes the modulated IR signal to extract the control data.
• Compact Package: Small size allows for easy integration into various electronic devices.
• Low Power Consumption: Minimizes power consumption in battery-powered applications.
• High Sensitivity: Detects IR signals even at a distance.

Benefits

• Simplified Remote Control Design: Simplifies the implementation of remote control functionality in electronic devices.
• Reduced Component Count: Integrates multiple functions into a single component, reducing the overall component count on the PCB.
• Improved Noise Immunity: Reduces the impact of ambient light and electrical noise on remote control performance.
• Reliable Performance: Provides reliable IR signal detection and decoding.
• Cost-Effective Solution: Offers a cost-effective solution for adding IR remote control capability to electronic devices.

Additional Details

The IR2E27A operates at a specific carrier frequency, typically around 38 kHz, which is a common standard for IR remote control signals. It requires a supply voltage of typically 5V and provides a digital output signal that represents the decoded remote control data. The module's sensitivity is optimized for reliable operation within a certain range, and its noise immunity helps to prevent false triggering caused by ambient light or other sources of interference.