PRODUCT SUMMARY SKY85303-21: 2.4 GHz, 256 QAM WLAN/Bluetooth Front-End Module Applications WiFi-enabled smartphones, tablets, and mobile/portable devices System-in-Package (SIP) modules for embedded systems Features TX Integrated high-performance 2.4 GHz PA, harmonic filter, LNA with bypass, and T/R switch BT ANT Fully-matched input and output LNA with integrated bypass mode High-performance SP3T switch to support Bluetooth/WiFi LNA RX functions Transmit loopback mode 203986-001 Integrated positive-slope power detector Transmit gain: 27 dB Figure 1. SKY85303-21 Block Diagram Receive gain: 14 dB Direct connection to battery with 5 V or 3.3 V regulated supply Description Small QFN (16-pin, 2.5 x 2.5 x 0.4 mm) package (MSL1, 260 C per JEDEC J-STD-020) The SKY85303-21 is a complete 802.11b/g/n WLAN RF front-end module (FEM) with a Bluetooth port. The device provides all the functionality of a fully matched power amplifier (PA), power detector, harmonic filter, low-noise amplifier (LNA), and single- TM Skyworks Green products are compliant with pole, triple-throw (SP3T) switch. all applicable legislation and are halogen-free. The SKY85303-21 provides a complete 2.4 GHz WLAN RF solution For additional information, refer to Skyworks TM from the output of the transceiver to the antenna, and from the Denition of Green , document number antenna to the input of the transceiver. The LNA increases the SQ040074. receive sensitivity of embedded solutions to improve range or to overcome the insertion loss of cellular filters (often included for mobile applications). The SKY85303-21 also includes a transmitter power detector with 20 dB of dynamic range, and a digital enable control for transmitter power ramp on/off control. The device is provided in an ultra-compact, 16-pin 2.5 x 2.5 x 0.4 mm Quad Flat No-Lead (QFN) package. A functional block diagram is shown in Figure 1. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 203986B Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice October 16, 2017 1 VDET PA EN LNA EN VC2 VC1PRODUCT SUMMARY SKY85303-21: FRONT-END MODULE Ordering Information Model Name Manufacturing Part Number Evaluation Board Part Number SKY85303-21: 2.4 GHz Front-End Module SKY85303-21 SKY85303-21EK1 Copyright 2016, 2017 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (Skyworks) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. 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Skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifications or parameters. Skyworks and the Skyworks symbol are trademarks or registered trademarks of Skyworks Solutions, Inc. or its subsidiaries in the United States and other countries. Third-party brands and names are for identification purposes only, and are the property of their respective owners. Additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 October 16, 2017 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 203986B