SE2431L-S

RF Front End (LNA + PA) Overview

The SE2431L-S is a fully integrated RF front-end module designed for 2.4 GHz applications, specifically supporting Zigbee and Bluetooth Low Energy protocols. It consolidates a Power Amplifier (PA), a bypassable Low Noise Amplifier (LNA), and an antenna switch into a single package. The device operates within the 2.4 GHz to 2.483 GHz frequency range. Key electrical specifications include a receive gain of 12.5 dB and a noise figure of 2 dB. It functions with a supply voltage of 3 V and draws a current of 30 mA. The module supports an operating temperature range from -40°C to +85°C and is housed in a QFN-24 (3x4 mm) surface-mount package.

RF Front End (LNA + PA) Feature Summary

• Integrates PA, LNA, and antenna switching for simplified system design
• Supports Zigbee and Bluetooth Low Energy standards
• Includes bypassable LNA for optimized power management

RF Front End (LNA + PA) Applications

• Zigbee smart energy devices
• Bluetooth Low Energy peripherals
• 802.15.4 wireless sensor networks

RF Front End (LNA + PA) Procurement Notes

Verify the specific suffix against official Skyworks documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with 2.4 GHz protocol requirements. Confirm RoHS compliance status through the manufacturer's latest certification records before integration.

RF Front End (LNA + PA) Selection Notes

Select this component for systems requiring high integration of transmit and receive paths in the 2.4 GHz ISM band. It is suitable for battery-powered devices due to its low current consumption and compact QFN footprint. Evaluate thermal performance within the specified -40°C to +85°C range for the target environment.

RF Front End (LNA + PA) Part Context

The SE2431L-S belongs to the SE2431L series of RF front-end modules from Skyworks Solutions. This series targets short-range wireless communication applications. The module simplifies PCB layout by combining critical RF components, reducing the overall bill of materials and board space required for Zigbee and BLE implementations.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pin-to-pin compatibility and electrical parameter equivalence with any alternative components using official Skyworks cross-reference data.