SKY65378-11

DATA SHEET SKY65378-11: 860 to 930 MHz RF Front-End Module CPS CTX CSD ANT_SEL Applications  Smart meters  In-home appliances  Smart thermostats Features  Integrated LNA with programmable gain  Integrated antenna switching with transmit/receive diversity function  Low FEM noise figure: 2.5 dB typical  Fast turn-on/turn-off time: <1 μs  2.0 to 4.8 V supply operation  Sleep mode current: <1 μA  Small QFN (24-pin, 4 x 4 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. TX_IN TX_FLT TR Logic Control ANT1 LNA ANT2 LNA_IN RX_FLT Y1093 Figure 1. SKY65378-11 Block Diagram Description The SKY65378-11 is a high-performance, highly integrated frontend module (FEM) designed for low power ISM band applications operating in the 860 to 930 MHz band. The device is designed for ease of use and maximum flexibility, with fully matched 50 Ω input and output, and digital controls compatible with 1.6 to 3.6 V CMOS levels. The RF blocks operate over a wide supply voltage range from 2.0 to 4.8 V, which allows the SKY65378-11 to be used in battery powered applications over a wide spectrum of the battery discharge curve. The device is provided in a 4 x 4 mm, 24-pin Quad Flat No-Lead (QFN) package. A functional block diagram is shown in Figure 1. The pin configuration and package are shown in Figure 2...