MCP2122-E/PG

Encoders, Decoders, Converters Overview

The MCP2122-E/PG is an infrared encoder/decoder compliant with the IrDA Standard Physical Layer Specification (version 1.3). It interfaces a host UART to an IR optical transceiver, supporting baud rates up to 115.2 Kbaud determined by a 16XCLK external clock source. The device operates within a supply voltage range of 1.8V to 5.5V and supports extended temperature ranges from -40°C to +125°C. It features low-power operation with a disabled current as low as 2 µA at 1.8V. The component is available in 8-pin PDIP and SOIC packages.

Encoders, Decoders, Converters Feature Summary

• Pinout compatible with HSDL-7000
• Compliant with IrDA Standard Physical Layer Specification version 1.3
• Supports low-power mode for reduced current consumption
• Utilizes CMOS technology for low-voltage operation

Encoders, Decoders, Converters Applications

• Data-Logging/Data Exchange
• System Setup
• System Diagnostic Read Out
• Manufacturing Configuration
• Host Controller Firmware Updates

Encoders, Decoders, Converters Procurement Notes

Verify the specific suffix requirements against official Microchip documentation before procurement. Confirm that the ordering suffix aligns with the required package type and temperature grade. Ensure compatibility with existing system designs regarding pinout and electrical specifications. Review the datasheet for any updates or revisions that may affect implementation details.

Encoders, Decoders, Converters Selection Notes

Select this component when interfacing a standard UART with an IrDA-compliant optical transceiver. Ensure the design accommodates an external 16XCLK signal for baud rate generation. Verify that the operating environment falls within the specified extended temperature range. Consider power constraints if low-power modes are critical for the application.

Encoders, Decoders, Converters Part Context

The MCP2122 serves as a standalone infrared encoder/decoder designed for embedded systems requiring IrDA connectivity. It bridges the gap between digital UART interfaces and optical transmission hardware. This component facilitates wireless data exchange in portable devices and industrial equipment without the need for physical cables.

Encoders, Decoders, Converters Replacement Considerations

The MCP2122 is pinout-compatible with the Agilent HSDL-7000. Designers should verify functional equivalence and electrical characteristics when considering alternative components. Ensure that any replacement maintains compliance with the IrDA Standard Physical Layer Specification.