DATA SHEET SKY65378-11: 860 to 930 MHz RF Front-End Module Applications Smart meters In-home appliances TX IN Logic Control Smart thermostats ANT1 TX FLT Features TR Integrated LNA with programmable gain ANT2 LNA Integrated antenna switching with transmit/receive diversity function Low FEM noise figure: 2.5 dB typical Y1093 Fast turn-on/turn-off time: <1 s 2.0 to 4.8 V supply operation Figure 1. SKY65378-11 Block Diagram Sleep mode current: <1 A Small QFN (24-pin, 4 x 4 mm) package (MSL1, 260 C per JEDEC J-STD-020) Description The SKY65378-11 is a high-performance, highly integrated front- TM Skyworks Green products are compliant with end module (FEM) designed for low power ISM band applications all applicable legislation and are halogen-free. operating in the 860 to 930 MHz band. For additional information, refer to Skyworks The device is designed for ease of use and maximum flexibility, TM Denition of Green , document number with fully matched 50 input and output, and digital controls SQ040074. 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. Signal pin assignments and functional pin descriptions are provided in Table 1. Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 202510D Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice July 9, 2015 1 LNA IN RX FLT CPS CTX CSD ANT SELDATA SHEET SKY65378-11: 860 TO 930 MHz RF FRONT-END MODULE 24 23 22 21 20 19 1 18 CSD N/C N/C 2 17 N/C 3 16 CPS TX IN 15 CTX 4 N/C 5 TX FLT 14 ANT1 13 TR 6 N/C 718 901112 S3212 Figure 2. SKY65378-11 Pinout 24-Pin QFN (Top View) Table 1. SKY65378-11 Signal Descriptions Pin Name Description Pin Name Description 1 CSD Shutdown control pin 13 N/C Not connected internally 2 N/C Not connected internally 14 ANT1 Antenna port 1 3 CPS Receive path select control input 15 N/C Not connected internally 4 CTX Transmit enable control input 16 TX IN Transmit signal to antennas (from external) 5 TX FLT Transmit signal from TR port 17 N/C Not connected internally 6 TR Common receive/transmit port 18 N/C Not connected internally 7 ANT SEL Antenna select control input 19 N/C Not connected internally 8 GND Ground 20 N/C Not connected internally 9 LNA IN LNA input (from receive filter) 21 N/C Not connected internally 10 N/C Not connected internally 22 N/C Not connected internally 11 RX FLT Receive signal from antennas (to receive filter) 23 VCC Positive power supply 12 ANT2 Antenna port 2 24 N/C Not connected internally Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 July 9, 2015 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 202510E ANT SEL N/C GND VCC LNA IN N/C N/C N/C RX FLT N/C ANT2 N/C