Microchip Technology's MCP2140A-I/P – A Versatile IRDA Standard Encoder/Decoder

The MCP2140A-I/P is a highly integrated device from Microchip Technology, designed to facilitate infrared data communication consistent with the Infrared Data Association (IrDA®) standard protocol. This product is tailored for applications that require low-power consumption and reliable data transfer through infrared signals.

As a standalone IrDA Encoder/Decoder, the MCP2140A-I/P operates as a serial interface engine (SIE) that can be connected to a standard UART of a host microcontroller. It simplifies the implementation of IrDA functionality by handling the modulation and demodulation of infrared signals, as well as the framing and error checking required by the IrDA standard. This offloads a significant amount of work from the host processor, allowing for more efficient system design and performance.

The device supports the IrDA standard data rates from 9.6 kbps to 115.2 kbps, which makes it highly adaptable to various communication requirements. Its versatility is further enhanced by its compatibility with 3.3V and 5V power supplies, enabling it to be used in a wide array of applications, from battery-powered devices to industrial systems.

The MCP2140A-I/P comes in a PDIP (Plastic Dual In-line Package) form factor, which is well-suited for prototyping and applications where space is not a primary constraint. Its through-hole mounting design allows for easy insertion into a printed circuit board, making it a favorite among hobbyists and professionals who prefer a more hands-on approach to circuit assembly.

Key features of the MCP2140A-I/P include:

• Compliance with IrDA Physical Layer Specification
• Support for SIR (Serial Infrared) standard protocol
• Low power consumption for battery-powered applications
• Integrated shutdown capability to further reduce power during idle periods
• Flexible power supply voltage range (3.3V to 5V)
• Easy interfacing with a host microcontroller's UART

Whether you're developing a new portable device requiring infrared communication, or retrofitting an existing system with IrDA capabilities, the MCP2140A-I/P offers a reliable and efficient solution that simplifies the design process and accelerates time to market.