SKY66108-11

DATA SHEET SKY66108-11: 2.4 GHz ZigBee®/Smart Energy Front-End Module Applications  Smart meters  In-home appliances  Smart thermostats Features  Integrated: – PA with up to +16 dBm output power – LNA with programmable bypass – Transmit and receive switching function  +2.7 dB FEM Rx NF  Differential Rx/Tx interface with integrated balun  Fast switch on/off time <800 ns  2.0 V to 3.6 V supply operation  Sleep mode current 0.05 μA typical  QFN (20-pin, 3.0 mm x 3.0 mm x 0.55 mm) package (MSL1 @ 260 °C per JEDEC J-STD-020) Skyworks GreenTM products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of GreenTM, document number SQ04–0074. 20 GND 19 VCC2 18 GND 17 N/C 16 N/C VCC1 1 VB_IN 2 TRXP 3 TRXN 4 N/C 5 15 N/C 14 N/C 13 ANT 12 CSD 11 CTX VB_IN TRXP TRXN Logic Control PA Balun LNA ANT Y1854 Figure 1. SKY66108-11 Block Diagram Description The SKY66108-11 is a high-performance, fully integrated RF Front-End Module (FEM) that is designed for ZigBee®/Smart Energy applications. The SKY66108-11 is designed for ease of use and maximum flexibility, with integrated fully matched input balun, integrated inter-stage matching and harmonic filter, and digital controls that are compatible with 1.6 V to 3.6 V Complementary Metal Oxide Semiconductor (CMOS) levels. The RF blocks operate over a wide supply voltage range from 2.0 V to 3.6V, which allows the SKY66108-11 to be used in battery-powered appl...