The GP1UA281QK0F is an infrared remote control receiver module produced by Sharp Microelectronics. This device is designed to detect and decode infrared signals transmitted from remote controls, converting them into usable electrical signals for various electronic systems. It incorporates a photodiode, preamplifier, automatic gain control (AGC) circuit, and a bandpass filter within a single package.

Applications:

• Television remote control receivers
• Audio/Video (AV) receiver remote control inputs
• Set-top box remote control interfaces
• Air conditioning system remote control units
• General-purpose infrared remote control applications

Features:

• High sensitivity to infrared signals with a carrier frequency of 37.9kHz
• Integrated photodiode, preamplifier, and AGC circuit
• Compact package size for easy integration
• Low supply current
• Excellent noise suppression

Benefits:

• Simplified remote control receiver design
• Stable operation due to the AGC circuit, which compensates for variations in signal strength
• Reduced component count and board space requirements
• Extended battery life in portable applications due to low current consumption
• Improved reliability in noisy environments

Additional Details:

The GP1UA281QK0F operates from a supply voltage of 4.5V to 5.5V. The output is a digital signal, and the module is shielded to minimize electromagnetic interference. The AGC circuit ensures that the output signal remains relatively constant even when the input signal strength varies. The bandpass filter helps to reject unwanted noise and interference from other sources. This module is commonly used in a wide range of consumer electronics devices requiring remote control functionality.