LX5591LQ-TR

RF Front End (LNA + PA) Overview

The LX5591LQ-TR is a dual-band RF front-end module designed for 802.11n/ac wireless local area network applications. It operates across the 2.4 GHz to 2.5 GHz and 5.15 GHz to 5.85 GHz frequency bands, supporting industrial-grade performance at a 3.3 V supply voltage. The component integrates low-noise amplifiers and power amplifiers within a compact 28-VFQFN package measuring 4x3x1.0 mm. This integrated solution facilitates efficient signal transmission and reception in dual-band Wi-Fi systems.

RF Front End (LNA + PA) Feature Summary

• Supports dual-band operation for 2.4 GHz and 5 GHz WLAN standards
• Integrates LNA and PA functions for compact system design
• Industrial-grade reliability for demanding environments

RF Front End (LNA + PA) Applications

• 802.11n/ac Wireless Local Area Network (WLAN) systems
• Dual-band Wi-Fi routers and access points
• Industrial wireless communication modules

RF Front End (LNA + PA) Procurement Notes

Verify that the specific part number matches the required datasheet revision and package marking. Confirm compatibility with the target PCB footprint and thermal requirements. Ensure that the supply chain source provides authentic components with traceable documentation. Check for any specific handling instructions related to electrostatic discharge protection during storage and assembly processes.

RF Front End (LNA + PA) Selection Notes

Select this component when a unified solution for both 2.4 GHz and 5 GHz bands is required to reduce board space. Consider its integration of amplification stages which simplifies the RF chain design compared to discrete components. Evaluate the 3.3 V operating voltage against the system power budget. Assess the thermal dissipation capabilities of the VFQFN package relative to the expected output power levels in the final application.

RF Front End (LNA + PA) Part Context

This module belongs to Microchip's portfolio of RF front-end solutions tailored for wireless connectivity. It addresses the need for high-performance signal conditioning in modern Wi-Fi infrastructure. The dual-band capability allows for flexible spectrum usage, supporting various regional regulations and channel allocations essential for global deployment of networking equipment.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.