DATA SHEET SKY66288-11: 5150 to 5925 MHz High-Efficiency 4 W Power Amplifier Applications VCC1 VBIAS PAEN VCC3 LTE small cell applications for Band 46 Active Bias LTE advanced for unlicensed spectrum, LAA, and LTE-U Driver amplifier for micro-base and macro-base stations Input Output RFOUT RFIN Match Match Active antenna array and massive MIMO Stage 3 Stage 4 Stage 1/2 PA PA PA 203477C-001 VCC2 Features Figure 1. SKY66288-11 Block Diagram High efficiency: PAE = 25% +28 dBm High linearity: +28 dBm with < 50 dBc ACLR with Description pre-distortion (2x 20 MHz LTE) The SKY66288-11 is a high-efficiency fully input/output matched Gain +28 dBm output power: 34.5 dB power amplifier (PA) with high gain and linearity. The compact Excellent input and output return loss: to 50 system 5 5 mm PA is designed for the unlicensed spectrum, Integrated active bias: performance compensated over temp LTE-advanced small cell base stations operating from 5150 to 5925 MHz. The active biasing circuitry is integrated to Integrated enable On/Off function: PAEN = 1.7 to 2.5 V compensate PA performance over temperature, voltage, and Single supply voltage: 5.0 V process variation. Pin-to-pin compatible PA family supporting all 3GPP bands The SKY66288-11 is part of the high-efficiency, pin-to-pin Compact (16-pin, 5 5 1.3 mm) package compatible PA family supporting all 3GPP bands. (MSL3, 260 C per JEDEC J-STD-020) A block diagram of the SKY66288-11 is shown in Figure 1. The device package and pinout for the 16-pin device are shown in Figure 2. Table 1 lists the pin-to-pin compatible parts in the PA family. Signal pin assignments and functional pin descriptions are TM Skyworks Green products are compliant with described in Table 2. all applicable legislation and are halogen-free. Table 1. Pin-to-Pin Compatible PA Family For additional information, refer to Skyworks TM Denition of Green , document number Part Number Frequency (MHz) 3GPP Band SQ040074. SKY66296-11 700 to 800 Bands 12, 13, 14, 17, 29, and 44 SKY66289-11 791 to 821 Band 20 SKY66295-11 800 to 900 Bands 5, 18, 19, 26 and 27 SKY66298-11 900 to 990 Band 8 SKY66291-11 1805 to 1880 Bands 3 and 9 SKY66299-11 1900 to 2000 Bands 2, 25, 33, 36, and 37 SKY66294-11 2000 to 2300 Bands 1, 4, 10, and 23 SKY66292-11 2300 to 2400 Bands 30, 40 SKY66297-11 2490 to 2690 Bands 7, 38, and 41 SKY66293-21 3400 to 3800 CBRS, Bands 22, 42, 43, and 48 SKY66288-11 5150 to 5925 Band 46, LAA, LTE-U Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 203477E Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice September 11, 2017 1 DATA SHEET SKY66288-11: 5150 TO 5925 MHz HIGH-EFFICIENCY 4 W POWER AMPLIFIER 16 15 14 13 GND 1 12 VCC3 RFIN 2 11 GND GND 3 10 GND GND 4 9 RFOUT 5 6 78 203477C-002 Figure 2. SKY66288-11 Pinout (Top View) 1 Table 2. SKY66288-11 Signal Descriptions Pin Name Description Pin Name Description 1 GND Ground 9 RFOUT RF output port 2 RFIN RF input port 10 GND Ground 3 GND Ground 11 GND Ground 4 GND Ground 12 VCC3 Stage 4 collector voltage 5 VBIAS Bias voltage 13 GND Ground 6 PAEN PA enable 14 VCC2 Stage 3 collector voltage 7 GND Ground 15 GND Ground 8 GND Ground 16 VCC1 Stage 1 and Stage 2 collector voltage 1 The center ground pad must have a low inductance and low thermal resistance connection to the applications printed circuit board ground plane. Technical Description Electrical and Mechanical Specifications The matching circuits are contained within the device. An on-chip The absolute maximum ratings of the SKY66288-11 are provided active bias circuit is included within the device for both input and in Table 3. Recommended operating conditions are specified in output stages, which provides excellent gain tracking over Table 4, and electrical specifications are provided in Table 5 temperature and voltage variations. (5200 MHz) and Table 6 (5850 MHz). The SKY66288-11 is internally matched for maximum output Typical performance characteristics are shown in Figures 3 power and efficiency. The input and output stages are through 26. independently supplied using the VCC1, VCC2, and VCC3 supply lines (pins 16, 14, and 12, respectively). The DC control voltage that sets the bias is supplied by the VCBIAS signal (pin 5). Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 September 11, 2017 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice 203477E VBIAS VCC1 PAEN GND VCC2 GND GND GND