DATA SHEET SKY66289-11: 750 to 850 MHz High-Efficiency 4 W Power Amplifier VBIAS PAEN VCC3 Applications VCC1 FDD and TDD 2G/3G/4G LTE systems Active Bias 3GPP Bands 20, 28, and 68 small-cell base stations Driver amplifier for micro base stations and macro base stations Output Input Active antenna array and massive MIMO RFIN RFOUT Match Match Stage 1 Stage2 PA PA Features 203648-001 High efficiency: PAE = 35.5% +28 dBm Figure 1. SKY66289-11 Block Diagram High linearity: +28 dBm with < -50 dBc linearized ACLR (20 MHz LTE, 8.5 dB PAR signal) Description High gain: 36.5 dB The SKY66289-11 is a high-efficiency fully input / output matched Excellent input and output return loss: to 50 system power amplifier (PA) with high gain and linearity. The compact Integrated active bias: performance compensated over temp 5 5 mm PA is designed for FDD and TDD 2G/3G/4G LTE small cell base stations operating in two frequency ranges: 791 to 821 Integrated enable ON / OFF function: PAEN = 1.7 to 2.5 V and 750 to 850 MHz. The active biasing circuitry is integrated to Single supply voltage: 5.0 V compensate PA performance over temperature, voltage, and Pin-to-pin compatible PA family supporting all 3GPP bands process variation. Compact (16-pin, 5 5 1.3 mm) package The SKY66289-11 is part of high efficiency, pin-to-pin compatible (MSL3, 260 C per JEDEC J-STD-020) PA family supporting all 3GPP bands. A block diagram of the SKY66289-11 is shown in Figure 1. The device package and pinout for the 16-pin device are shown in TM Skyworks Green products are compliant with Figure 2. Table 1 lists the pin-to-pin compatible parts in the PA all applicable legislation and are halogen-free. family. Signal pin assignments and functional pin descriptions are For additional information, refer to Skyworks described in Table 2. TM Denition of Green , document number Table 1. Pin-to-Pin Compatible PA Family SQ040074. Part Number Frequency (MHz) 3GPP Band SKY66296-11 700 to 800 Bands 12, 13, 14, 17, 29, and 44 SKY66289-11 750 to 850 Bands 20, 28, and 68 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 and 40 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 203648E Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice March 6, 2020 1 DATA SHEET SKY66289-11: 750 TO 850 MHz HIGH-EFFICIENCY 4 W POWER AMPLIFIER 16 15 14 13 GND 1 12 VCC3 RFIN 11 2 GND 3 GND 10 GND GND 4 9 RFOUT 5 6 78 203648-002 Figure 2. SKY66289-11 Pinout (Top View) 1 Table 2. SKY66289-11 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 3 collector voltage 5 VBIAS Bias voltage 13 GND Ground 6 PAEN PA enable 14 N/U Not used 7 GND Ground 15 GND Ground 8 GND Ground 16 VCC1 Stage 1 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 SKY66289-11 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 Tables 5 temperature and voltage variations. and 6. The SKY66289-11 is internally matched for maximum output Typical performance characteristics are shown in Figures 3 power and efficiency. The input and output stages are through 19. independently supplied using the VCC1 and VCC3 supply lines (pins 16 and 12, respectively). The DC control voltage that sets the bias is supplied by the VBIAS signal (pin 5). Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 203648E Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice March 6, 2020 2 VBIAS VCC1 PAEN GND GND N/U GND GND