DATA SHEET SKY66109-11: 2.4 GHz ZigBee /Smart Energy Front-End Module Applications Smart meters In-home appliances Logic control Smart thermostats TXP PA TXN Features ANT1 Balun Integrated PA with up to +22.5 dBm output power VB OUT Integrated LNA with programmable bypass Integrated antenna switching with transmit and receive diversity RXP ANT2 function RXN Balun Low noise figure: 2 dB typical LNA Differential transmit/receive interface with integrated baluns Fast switch on/off time: <800 ns 203034-001 Supply range: 2.0 V to 3.6 V Sleep mode current: 0.05 A typical Figure 1. SKY66109-11 Functional Block Diagram No bias resistor is required Small MCM (20-pin, 3 x 4 x 0.9 mm) package, NiPdAu-plated (MSL3, 240 C per JEDEC-J-STD-020) Description TM Skyworks Green products are compliant with The SKY66109-11 is a high-performance, fully integrated RF all applicable legislation and are halogen-free. front-end module (FEM) designed for ZigBee/Smart Energy For additional information, refer to Skyworks applications. TM Denition of Green , document number The SKY66109-11 is designed for ease of use and maximum SQ040074. flexibility. The device provides integrated and fully matched input baluns, an integrated interstage matching and harmonic filter, and 19 18 17 digital controls compatible with 1.6 to 3.6 V CMOS levels. 20 The RF blocks operate over a wide supply voltage range from GND 1 16 VCC2 2.0 V to 3.6 V that allows the SKY66109-11 to be used in battery TXP 2 15 GND powered applications over a wide spectrum of the battery 3 14 TXN ANT SEL discharge curve. 4 13 VB OUT GND The SKY66109-11 is provided in a small, 20-pin, 3 x 4 mm Multi- 5 12 RXP ANT1 Chip Module (MCM) package. A functional block diagram is 6 11 RXN GND shown in Figure 1. The pin configuration and package are shown in Figure 2. Signal pin assignments and functional pin 7 89 10 descriptions are provided in Table 1. 203034-002 Figure 2. SKY66109-11 Pinout (Top View) Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 203034G Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice June 3, 2016 1 CTX VB IN VCC1 GND CPS GND ANT2 CSD VB IN CPS CTX CSD ANT SELDATA SHEET SKY66109-11: ZIGBEE/SMART ENERGY FEM Table 1. SKY66109-11 Signal Descriptions Pin Name Description Pin Name Description 1 GND Ground 11 GND Ground Positive transmit input signal from transceiver, 200 2 TXP 12 ANT1 Connect to 50 antenna differential Negative transmit input signal from transceiver, 200 3 TXN 13 GND Ground differential Transmit balun bias core supply from transceiver Connect to GPIO signal to control antenna switch (see 4 VB OUT 14 ANT SEL (optional connection) Table 7) Positive receiver output signal to transceiver, 200 5 RXP 15 GND Ground differential Negative receiver output signal to transceiver, 200 6 RXN 16 VCC2 Connect to positive supply differential Receive balun bias core supply from transceiver 7 VB IN 17 CSD Connect to GPIO signal for mode control (see Table 6) (optional connection) 8 GND Ground 18 CPS Connect to GPIO signal for mode control (see Table 6) 9 GND Ground 19 VCC1 Connect to positive supply 10 ANT2 Connect to 50 antenna 20 CTX Connect to GPIO signal for mode control (see Table 6) +1.8 V FEM VB IN VREG OUT Optional Output Filter 2n7 SoC 1 pF 1 pF VB OUT VDD PA 1 k each series resistor, placed close to the SKY66109 pins. CPS CSD CTX Internal Lattice Balun 1.8 V Input Differential source or load impedance symbol Input Decoupling capacitor 1.8 V on chip 1.8 V VBIAS IN The balun at the FEM PA input (or LNA output) can also be used to inject a bias operating point for the transceiver output stage (the shunt inductor provides a DC path on the other side). The inductor also tunes out any parasitic capacitance. 203034-003 If the SOIC transceiver does not require a DC bias, leave the VB IN open. Figure 3. Injecting a Bias Operating Point for the Transceiver Output Stage Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 June 3, 2016 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 203034G