SKY85300-21

RF Front End (LNA + PA) Overview

The SKY85300-21 is a 2.4 GHz front-end module designed for WLAN and Bluetooth applications, supporting up to 256 QAM modulation. It integrates a power amplifier, switch, and low-noise amplifier within a compact 3.0mm x 3.0mm 16-pin QFN package with an exposed pad. The device operates at supply voltages of 3.3 V and 5 V, utilizing silicon technology. Key electrical specifications include a gain of 27 dB and SP3T switching functionality, optimized for wireless RF integrated circuit performance in consumer electronics.

RF Front End (LNA + PA) Feature Summary

• Integrates power amplifier, switch, and low-noise amplifier for simplified design
• Supports high-order 256 QAM modulation for enhanced data throughput
• Compact footprint suitable for space-constrained mobile devices

RF Front End (LNA + PA) Applications

• Wireless LAN (WLAN) modules
• Bluetooth-enabled consumer electronics
• IoT devices requiring 2.4 GHz connectivity

RF Front End (LNA + PA) Procurement Notes

Verify component authenticity through authorized Skyworks Solutions distributors. Confirm RoHS compliance status and check for obsolescence notices, as this part may be discontinued. Ensure packaging details match project requirements, noting the specific QFN package dimensions. Request official datasheets and test reports to validate performance against application specifications before finalizing procurement decisions.

RF Front End (LNA + PA) Selection Notes

Select this module for designs requiring integrated PA, LNA, and switch functionality in a minimal footprint. Consider the 3.0mm x 3.0mm package size for PCB layout constraints. Evaluate compatibility with 3.3 V or 5 V supply rails. Verify support for required modulation schemes like 256 QAM. Assess thermal management needs due to the exposed pad design for heat dissipation.

RF Front End (LNA + PA) Part Context

This component belongs to the Skyworks SKY85300 series of front-end modules. It is specifically engineered for 2.4 GHz wireless communications. The -21 suffix denotes the specific package variant and pin configuration. This series targets modern wireless standards requiring high integration and efficiency.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Skyworks Solutions directly for current replacement recommendations or updated product line information.