SE2438T-R

RF Front End (LNA + PA) Overview

The SE2438T-R is a 2.4 GHz RF front-end module designed for Zigbee and Bluetooth Smart applications. It integrates a power amplifier, low-noise amplifier, and transmit/receive switch with an integrated balun. The device supports differential Rx/Tx interfaces and operates on a 3.3V supply. Key electrical parameters include a gain of approximately 27 dB and output power capabilities up to +19 dBm under nominal conditions at 2.4 GHz. The module provides high-isolation switching functions suitable for IoT connectivity.

RF Front End (LNA + PA) Feature Summary

• Integrates power amplifier, low-noise amplifier, and switch with balanced interface
• Optimized for 2.4 GHz Zigbee and Bluetooth Smart protocols
• Supports programmable bypass functionality in the receive path

RF Front End (LNA + PA) Applications

• Zigbee wireless sensor networks
• Bluetooth Smart IoT devices
• Smart energy metering systems
• Wireless home automation controllers

RF Front End (LNA + PA) Procurement Notes

Verify the specific suffix 'R' indicates the correct tape-and-reel packaging configuration as defined by Skyworks Solutions. Confirm that the 20-QFN package dimensions match the target PCB layout requirements. Ensure compatibility with the intended 3.3V supply voltage and signal integrity specifications for the differential interface before finalizing procurement orders.

RF Front End (LNA + PA) Selection Notes

Select this component when a compact solution combining PA, LNA, and switch is required for 2.4 GHz ISM band operations. The integrated balun simplifies board design by eliminating external matching components for differential signals. Consider the thermal performance of the exposed pad QFN package for high-power transmission scenarios within the specified output power limits.

RF Front End (LNA + PA) Part Context

This part belongs to Skyworks' portfolio of RF front-end modules targeting short-range wireless communication standards. It complements other 2.4 GHz solutions like the SE2432L and SKY66112-11, offering a unified platform for manufacturers developing interoperable IoT devices requiring reliable connectivity across multiple protocol stacks.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Evaluate cross-reference options only through official Skyworks Solutions channel partners or authorized distributors to ensure functional equivalence and supply chain reliability.