DATA SHEET SKY66185-11: 851 to 894 MHz Linear Power Amplifier Applications 3G/4G LTE Bands 5, 6, 18, 19, 26, and 27 small cell VCC1 VBIAS VEN VCC3 Active distributed antenna system Cellular repeaters Active Bias RFOUT Coupling Port Driver amplifier RFIN Output Match Input Match Features Input Stage High gain: 36.5 dB (unconditionally stable) High linearity: +23 dBm with –50 dBc ACLR @ 85°C (WCDMA Test Model 1 with 64 DPCH) RF input and output internally matched to 50 Ω Excellent output return loss: <–15 dB Integrated active bias: performance compensated over temp PA On/Off function: 6.5 μs switching time Integrated coupler for output power monitoring Single supply voltage: 3.3 V Minimal external components Pin-to-pin compatible PA family supporting all 3GPP bands Small 5 x 5 mm, 28-pin package (MSL3, 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. RFOUT Output Stage 203345-001 Figure 1. SKY66185-11 Linear PA Block Diagram Description The SKY66185-11 is a high-linearity power amplifier (PA) with fully matched input/output and high gain. The compact 5 x 5 mm PA is designed for FDD 3G/4G LTE small cell base stations operating from 851 to 894 MHz. The active biasing circuitry is integrated to compensate PA performance over temperature, voltage, and process variation as well as an internal coupler for power monitoring. The SKY66185-11 requires minimal external components and is part of a high-linearity, pin-to-pin compatible PA family supporting all 3GPP bands. A block diagram of the SKY66185-11 is shown in Figure 1. The device package and pinout for the 28-pin device are shown in Figure 2. Table 1 lists the pin-to-pin compatible parts in the PA family. Table 1. Pin-to-Pin Compatible PA Family Part Number Frequency (MHz) LTE Band SKY66180-11 790 to 821 20 SKY66181-11 1805 to 1880 3 SKY66182-11 2300 to 2400 30, 40 SKY66183-11 3400 to 3600 22, 42 SKY66184-11 2110 to 2170 1, 4, 10, and 23 SKY66185-11 851 to 894 5, 6, 18, 19, 26, and 27 SKY66186-11 728 to 768 12, 13, 14, and 17 SKY66187-11 2620 to 2690 7 SKY66188-11 758 to 803 28 SKY66189-11 1930 to 1995 2 and 25 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 203354D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 11, 2016 1 GND N/C GND N/C VCC3 28 27 26 25 24 23 N/C VCC1 DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER GND 1 22 21 GND GND 2 20 GND N/C 3 19 RFOUT RFIN 4 18 N/C N/C 5 17 N/C GND 6 16 GND VEN 7 15 GND 14 RFOUT_COUP 13 GND 12 N/C 11 GND 10 VBIAS 9 N/C N/C 8 203354C-002 Figure 2. SKY66185-11 Pinout (Top View) Table 2. SKY66185-11 Signal Descriptions Pin Name Description Pin Name Description 1 GND Ground 15 GND Ground 2 GND Ground 16 GND Ground 3 N/C No internal connection 17 N/C No internal connection 4 RFIN RF input 18 N/C No internal connection 5 N/C No internal connection 19 RFOUT RF output 6 GND Ground 20 GND Ground 7 VEN Enable (active low) 21 GND Ground 8 N/C No internal connection 22 N/C No internal connection 9 N/C No internal connection 23 VCC3 Output stage supply voltage 10 VBIAS Bias voltage 24 N/C No internal connection 11 GND Ground 25 GND Ground 12 N/C No internal connection 26 N/C No internal connection 13 GND Ground 27 GND Ground 14 RFOUT_COUP RF output coupling port 28 VCC1 Input stage supply voltage Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 May 11, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203354E DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER Technical Description Electrical and Mechanical Specifications The SKY66185-11 PA contains all of the needed RF matching and DC biasing circuits. This two-stage device is optimized for high linearity and power efficiency. These features make the device suitable for wideband applications where PA linearity and power consumption are of critical importance (e.g., small cell and infrastructure applications). The absolute maximum ratings of the SKY66185-11 are provided in Table 3. The recommended operating conditions are specified in Table 4, and electrical specifications are provided in Table 5. Typical performance characteristics are shown in Figures 3 through 7. The device is designed for standard WCDMA and LTE modulated signals. Under these stringent test conditions, the device exhibits excellent spectral purity and power efficiency. Table 3. SKY66185-11 Absolute Maximum Ratings1 Parameter Symbol Minimum Maximum Units 0 +4.0 V 700 mA Supply voltage (VCC) VCC Total supply current ICC Logic control input voltage (VEN) VEN –0.5 3.6 V Case operating temperature2 TC –40 +105 C Storage temperature TSTG –55 +150 C Junction temperature TJ +150 C Thermal resistance θJC 21 C/W Power dissipation PDISS 2.3 W Electrostatic discharge: ESD 500 150 V V Charged Device Model (CDM) Human Body Model (HBM) 1 Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device. 2 Case operating temperature (Tc) refers to the temperature of the bottom ground pad. ESD HANDLING: Although this device is designed to be as robust as possible, electrostatic discharge (ESD) can damage this device. This device must be protected at all times from ESD when handling or transporting. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industrystandard ESD handling precautions should be used at all times. Table 4. SKY66185-11 Recommended Operating Conditions Parameter Symbol Minimum Frequency range f 851 Supply voltage (VCC1, VCC2, VCC3)1 VCC 3.0 VENH VENL 2.5 0 Typical 3.3 Maximum Units 894 MHz 3.6 V 3.6 0.6 V V <1 mA +85 C PA enable control voltage (active low): Disable Enable PA enable current (@ PAEN = 3.6 V) IEN Case operating temperature TC +25 +40 1 Voltage levels measured at the pads of the package. The Evaluation Board supply voltage levels may be different. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 203354E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 11, 2016 3 DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER Table 5. SKY66185-11 Electrical Specifications1 (VCC = +3.3 V, TC = +25 C, f = 872.5 MHz, Characteristic Impedance [ZO] = 50 Ω, VEN = 0 V, Unless Otherwise Noted) Parameter Symbol Gain G@23dBm Test Condition Typical Max Input return loss |S11| CW, PIN = –30 dBm Output return loss: |S22| CW, PIN = –30 dBm: In-band frequency: 851 and 894 MHz Out-of-band frequency: 831 and 914 MHz 36.0 36.0 35.5 36.5 36.3 36.0 dB dB dB 8.0 10.0 dB 11.0 10.0 15.0 13.0 dB dB Quiescent current ICQ No RF 130 160 mA Operating current ICC CW, POUT = +23 dBm 420 480 mA Power-down current IPD VEN = 2.5 V 0.1 1.5 mA Adjacent channel leakage ratio ACLR @ 5 MHz offset, WCDMA test model 1, with 64 DPCH, 8.5 dB PAR, POUT = +23 dBm –50 –46.5 dBc Output 1 dB compression point OP1dB CW (Gain compression less than 1dB reference to G@23dBm) +30.3 +30.8 Power-added efficiency PAE CW @ POUT = +23 dBm 12 14 Output coupling factor CPLOUT POUT = +23 dBm, CW 16 18 dBm % 20 1 Performance is guaranteed only under the conditions listed in this table. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 Units CW, POUT = +23 dBm: 851 MHz 872.5 MHz 894 MHz In-band Out-of-band Min May 11, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203354E dB DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER Typical Performance Characteristics (VCC = +3.3 V, TC = +25 C, f = 872.5 MHz, Characteristic Impedance [ZO] = 50 Ω, VEN = 0 V, Unless Otherwise Noted) 44 35 25 °C 40 °C 85 °C 42 25 38 PAE (%) 36 34 15 203354C-003 10 32 30 20 9 11 13 15 17 19 21 23 25 27 29 31 203354C-004 Gain (dB) 40 25 °C 40 °C 85 °C 30 5 0 33 9 11 13 15 17 19 –30 32.0 –35 203354C-005 31.0 30.5 30.0 35 40 45 50 55 25 27 29 31 33 60 65 70 75 80 25 ˚C 40 ˚C 85 ˚C –40 –45 –50 203354C-006 ACLR (dBc) 31.5 –55 –60 85 21 22 23 Temperature (°C) 24 POUT (dBm) Figure 5. OP1dB vs Temperature Figure 6. ACLR vs Output Power –12 –13 25 ˚C 40 ˚C 85 ˚C –14 –15 S22 (dB) –16 –17 –18 –19 203354C-007 OP1dB (dBm) 32.5 30 23 Figure 4. PAE vs Output Power Figure 3. Gain vs Output Power 25 21 POUT (dBm) POUT (dBm) –20 –21 828 838 848 858 868 878 888 898 908 918 Frequency (MHz) Figure 7. S22 vs Frequency across Temperature Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 203354E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 11, 2016 5 DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER Evaluation Board Description Application Circuit Notes The SKY66185-11 Evaluation Board is used to test the performance of the SKY66185-11 PA. A typical application schematic diagram is shown in Figure 8. A Bill of Materials for the SKY66185-11 Evaluation Board is listed in Table 6. An assembly drawing for the Evaluation Board is shown in Figure 9. The board layer detail is shown in Figurer 10. The layer detail physical characteristics are shown in Figure 11. Center Ground. It is extremely important to sufficiently ground the bottom ground pad of the device for both thermal and stability reasons. Multiple small vias are acceptable and work well under the device if solder migration is an issue. GND (pins 1, 2, 6, 11, 13, 15, 16, 20, 21, 25, and 27). Attach all ground pins to the RF ground plane with the largest diameter and lowest inductance via that the layout allows. Multiple small vias are acceptable and work well under the device if solder migration is an issue. VBIAS (pin 10). The bias supply voltage for each stage, nominally set to +3.3 V. RFOUT (pin 19). Amplifier RF output pin (ZO = 50 Ω). The module includes an onboard internal DC blocking capacitor. All impedance matching is provided internal to the module. VCC1 and VCC3 (pins 28 and 23, respectively). Supply voltage for each stage collector bias is nominally set to 3.3 V. Bypass and decoupling capacitors C1, C2, C5, and C6 should be placed in the approximate location shown on the evaluation board assembly drawing, although exact placement is not critical. RFIN (pin 4). Amplifier RF input pin (Zo = 50 Ω). The module includes an onboard internal DC blocking capacitor. All impedance matching is provided internal to the module. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 6 May 11, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203354E DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER J1 1 2 PAEN VBIAS 3 4 L1 0Ω N/C 8 X X VCC3 29 GND 8 Header X RFIN N/C R2 5100 Ω SKY66185-11 RFOUT_COUP C8 DNI GND 2 GND 3 N/C 4 RFIIN 5 N/C 6 GND 7 VEN GND N/C GND J3 X C5 0.1 μF C6 10 μF 28 27 26 25 24 23 22 1 C7 33 pF VCC3 C12 DNI X VCC1 GND N/C GND N/C VCC3 N/C 7 C2 0.1 μF C1 10 μF VCC1 N/C VBIAS 5 6 VCC1 GND GND RFOUT N/C N/C GND GND 21 20 19 18 17 RFOUT J2 X X 16 15 8 9 10 11 12 13 14 X PAEN X R5 0Ω X RF Output Coupling Port J4 C10 0.1 μF C11 0.1 μF 203354C-008 VBIAS Figure 8. SKY66185-11 Application Schematic Table 6. SKY66185-11 Evaluation Board Bill of Materials (BOM) Quantity Component Size Part Number Description 2 C1, C6 1206 C1206X7R160-106KNE Capacitor, 10 μF, 16 V, ±10%, X7R 3 C2, C5, C10, C11 0402 GRM155R71C104KA88 Ceramic capacitor, 0.1 μF, 10%, X7R, 16 V 1 C7 0402 GRM1555C1H330JZ01 Capacitor, 33 pF, 50 V, ±5%, X7R 3 C8, C12 DNI DNI 1 L1 0603 RM73ZIJ000 Resistor, 0 Ω, 5% 1 R5 0402 ERJ2GE0R00 Resistor, 0 Ω, jumper, 0.063 W 1 1 R2 PCB TW22-D115-002 SKY66185 0402 ERJ2GEJ512 Resistor, 5100 Ω, 5%, 0.063 W Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 203354E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 11, 2016 7 DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER J1 C6 C4 C1 C5 L1 C12 C3 C2 RF In C8 RF Out U1 C7 C10 R2 R5 C11 RF Out Coupling Port Notes: 203354C-009 The C3 and C4 components are not required. Some of the other components shown are optional. Figure 9. SKY66185-10 Evaluation Board Assembly Diagram Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 8 May 11, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203354E 203354C-010 DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER Figure 10. SKY66185-11 Board Layer Detail Cross Section Name Thickness (mm) Material Top Solder Mask 0.010 Solder Resist L1 0.035 Cu – 1 oz Dielectric 0.250 Rogers RO4350B L2 0.035 Cu – 1 oz Dielectric 0.500 FR4 L3 0.035 Cu – 1 oz Dielectric 0.250 FR4 L4 0.035 Cu – 1 oz Bottom Solder Mask 0.010 Solder Resist 203354C-011 Figure 11. SKY66185-11 Layer Detail Physical Characteristics Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 203354E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 11, 2016 9 DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER Package Dimensions The SKY66185-11 is rated to Moisture Sensitivity Level 3 (MSL3) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, PCB Design and SMT Assembly/Rework Guidelines for MCM-L Packages, document number 101752. The typical part marking is shown in Figure 12. Figure 13 shows the PCB layout footprint. Figure 14 shows the package dimensions, and Figure 15 provides the tape and reel dimensions. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. Package and Handling Information Since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. Pin 1 Indicator 66185-11 XXXXXXXXX YYWW CC 203354C-012 Skyworks Part Number Lot Code Date Code: YY = Calendar Year WW = Work Week CC = Country Code Figure 12. Typical Part Marking Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 10 May 11, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203354E DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER 5.3 mm Pin 28 Package Outline 6X 1.25 mm Pin 1 Indicator 0.43 X 0.43 Pin 1 0.5 mm Pitch 5.3 mm 6X 1.25 mm 9X 1.1 mm 28X 0.55 mm Exposed Center Pad Stencil aperture size of 80% to 100% of the module/package solder mask openings 28X 0.25 mm 9X 1.1 mm Stencil Aperture Top View 5.4 mm 5.3 mm Package Outline Pin 28 0.25 mm Typ Pin 28 Package Outline Pin 1 Indicator 0.43 x 0.43 Pin 1 Pin 1 0.5 mm Pitch 0.5 mm Pitch 5.3 mm 5.4 mm 2X 1.8 mm 0.6 mm Pitch 17X 0.55 mm Thermal via array Ø0.3 mm on 0.6 mm pitch improves thermal performance 17X 0.25 mm 28X 0.65 mm Exposed Center Pad Opening size of 60% to 100% of exposed center opening shown 2X 1.8 mm 28X 0.35 mm 0.6 mm Pitch Notes: Metallization Top View Solder Mask Opening Top View 1. Thermal vias should be resin filled and capped in accordance with IPC–4761 type VII vias. 2. Recommended Cu thickness is 30 to 35 μm. 203354C-013 Figure 13. SKY66185-11 PCB Layout Footprint Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 203354E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 11, 2016 11 28X SMT Pad 0.1 A B C Top 4X 1 B 4X 1.5 5 Pin 1 Indicator 4X 0.5 DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER Pin 28 0 C See Detail B Pin 1 Indicator See Detail C Pin 1 4X 1.5 4X 0.5 5 0 4X 1 6X 1.25 14X 2.4 0.2 A B C 0.1 Side View 14X 2.4 Solder Mask Opening 1.25 ± 0.1 0.075 A B C Top View 6X 1.25 A A Bottom View 0.35 ± 0.05 2X (0.05) 1.1 0.43 X 0.43 0.3 ± 0.1 1.1 (0.1) Detail A Pad Notes: 1. Dimensions are in millimeters. 2. Dimensions and tolerances according to ASME Y14.5M-1994. 1.1 Metal Pad Edge 0.25 ± 0.05 Scale: 2X 7X This Rotation 7X Rotated 180° 7X Rotated 90° CW 7X Rotated 90° CCW 5X R0.05 Max 4X R0.05 Max 1.1 Detail B Pad Scale: 2X 8X This Rotation Detail C Pad Scale: 2X 1X This Rotation Figure 14. SKY66185-11 Package Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 12 May 11, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203354E 203354C-014 DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER 0.25 ± 0.20 Ø1. 50 2.00 ± 0.10 ±0 4.00 ± 0.10 1.75 ± 0.10 5.25 ± 0.10 5.50 ± 0.10 Pin 1 1.40 ± 0.10 8.00 ± 0.10 12.00 ± 0.20 .10 Ø1.50 ± 0.10 Notes: 1. Carrier tapes must meet all requirements of Skyworks GP01-D232 procurement spec for tape and reel shipping. 2. Carrier tape shall be black conductive polycarbonate. 3. Cover tape shall be transparent conductive material. 4. ESD-surface resistivity shall be ≤ 1 × 1010 Ω/square per EJA, JEDEC TNR specification. 5. All measurements are in millimeters. 5.25 ± 0.10 203354C-015 Figure 15. SKY66185-11 Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 203354E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • May 11, 2016 13 DATA SHEET • SKY66185-11: 851 TO 894 MHz LINEAR POWER AMPLIFIER Ordering Information Model Name SKY66185-11: Linear PA Manufacturing Part Number SKY66185-11 Evaluation Board Part Number TW22-D115-002 Copyright © 2015-2016 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. 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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 14 May 11, 2016 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 203354E