DATA SHEET SKY67161-306LF: 0.6 to 1.1 GHz Two-Stage, High Linearity and High Gain Low-Noise Amplifier Applications GSM, CDMA, WCDMA, cellular infrastructure systems Ultra low-noise, high gain and high linearity systems Active Bias RF_OUT2 RF_OUT2 Small, QFN (16-pin, 4 x 4 mm) Pb-free package (MSL1, 260 C per JEDEC J-STD-020) Skyworks Green™ products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of Green™, document number SQ04-0074. RF_OUT1 Ultra-low NF: 0.30 dB @ 849 MHz High gain: 38 dB @ 849 MHz +5 V operation Wideband performance, useable to 1.1 GHz RF_IN2 RF_IN1 Features S2407 Figure 1. SKY67161-306LF Block Diagram Description The SKY67161-306LF is a GaAs pHEMT and HBT two-stage, LowNoise Amplifier (LNA) with active bias and high linearity performance. The pHEMT front end of the device provides an ultra-low Noise Figure (NF) while the HBT output stage provides high gain, linearity, and efficiency. The SKY67161-306LF operates in the frequency range of 0.6 to 1.1 GHz and is provided in a 4 x 4 mm, 16-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 • [email protected] • www.skyworksinc.com 202525D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 5, 2013 1 N/C N/C N/C N/C DATA SHEET • SKY67161-306LF TWO-STAGE LNA 16 15 14 13 N/C 2 11 RF_OUT2 RF_IN1 3 10 RF_OUT2 RF_GND 4 9 N/C 5 6 7 8 RF_IN2 N/C RF_OUT1 12 N/C 1 VBIAS N/C S2406a Figure 2. SKY67161-306LF Pinout – 16-Pin QFN (Top View) Table 1. SKY67161-306LF Signal Descriptions Pin Name Description Pin Name Description 1 N/C No connection. May be grounded with no change in performance. 9 N/C No connection. May be grounded with no change in performance. 2 N/C No connection. May be grounded with no change in performance. 10 RF_OUT2 RF output of second stage amplifier. Bias to the output of stage 2 is supplied through pins 10 and 11. 3 RF_IN1 RF input to first stage amplifier 11 RF_OUT2 RF output of second stage amplifier. Bias to the output of stage 2 is supplied through pins 10 and 11. 4 RF_GND RF ground for first stage amplifier 12 N/C No connection. May be grounded with no change in performance. 5 VBIAS Bias for first stage amplifier. External resistor sets current consumption. 13 N/C No connection. May be grounded with no change in performance. 6 N/C No connection. May be grounded with no change in performance. 14 N/C No connection. May be grounded with no change in performance. 7 RF_OUT1 RF output of first stage amplifer 15 N/C No connection. May be grounded with no change in performance. 8 RF_IN2 RF input to second stage amplifier 16 N/C No connection. May be grounded with no change in performance. Electrical and Mechanical Specifications The absolute maximum ratings of the SKY67161-306LF are provided in Table 2. Electrical specifications are provided in Table 3. Typical performance characteristics of the SKY67161-306LF are illustrated in Figures 3 through 15. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 November 5, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202525D DATA SHEET • SKY67161-306LF TWO-STAGE LNA Table 2. SKY67161-306LF Absolute Maximum Ratings Parameter Symbol Minimum Supply voltage VDD RF input power PIN Operating temperature TOP –40 Storage temperature TSTG –40 Junction temperature TJ Thermal resistance: Stage 1 Stage 2 ΘJC Electrostatic Discharge: Charged Device Module (CDM), Class 2 Human Body Model (HBM), Class 1A Machine Model (MM), Class A ESD Note: Maximum Units 5.5 V +15 dBm +85 C +125 C +150 C 45 130 C/W C/W 250 250 25 V V V 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. CAUTION: 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. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times. Table 3. SKY67161-306LF Electrical Specifications: VDD = +5 V (Note 1) (TOP = +25 C, PIN = –30 dBm, Characteristic Impedance [ZO] = 50 Ω, Optimized for 849 MHz Operation, Unless Otherwise Noted) Parameter Symbol Test Condition Min Typical Max Units 0.30 0.50 dB RF Specifications Noise Figure (includes Evaluation Board losses) NF @ 849 MHz Small signal gain |S21| @ 849 MHz 38 dB Input return loss |S11| @ 849 MHz 20 dB Output return loss |S22| @ 849 MHz 14 dB Reverse isolation |S12| @ 849 MHz 57 dB 3 Order Input Intercept Point IIP3 @ 849 MHz, Δf = 1 MHz, PIN = –37 dBm/tone –2 +1 dBm 3rd Order Output Intercept Point OIP3 @ 849 MHz, Δf = 1 MHz, PIN = –37 dBm/tone +36 +39 dBm 1 dB Input Compression Point IP1dB @ 849 MHz –14.5 –12.5 dBm 1 dB Output Compression Point OP1dB @ 849 MHz +22.5 +24.5 dBm rd 36 DC Specifications Supply voltage VDD 5.0 V Quiescent current IDD Set with external resistor 115 mA Supply current @ IP1dB IDD_P1DB Set with external resistor 160 mA Note 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 202525D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 5, 2013 3 DATA SHEET • SKY67161-306LF TWO-STAGE LNA Typical Performance Characteristics (VDD = +5 V, TOP = +25 C, PIN = –30 dBm, Characteristic Impedance [ZO] = 50 Ω, Optimized for 849 MHz Operation, Unless Otherwise Noted) 39 0.7 –40 °C +25 °C +85 °C Small Signal Gain (dB) Noise Figure (dB) 0.6 0.5 0.4 0.3 0.2 37 36 35 34 0.1 0 0.70 –40 °C +25 °C +85 °C 38 0.75 0.80 0.85 0.90 0.95 33 0.70 1.00 0.75 0.80 –8 –10 Reverse Isolation (dB) Input Return Loss (dB) –6 –12 –14 –16 –18 –20 –40 °C +25 °C +85 °C –22 0.75 0.80 0.85 0.90 0.95 1.00 –40 –42 –44 –46 –48 –50 –52 –54 –56 –58 –60 –62 –64 –66 –68 –70 0.70 0.75 0.80 0.85 0.90 0.95 1.00 Figure 6. Reverse Isolation vs Frequency Over Temperature, Narrow Band +40 Small Signal Gain (dB) 0 –5 –10 –15 –20 –25 –30 –35 –40 –40 °C +25 °C +85 °C 0 –20 –40 –80 0.75 0.80 0.85 0.90 0.95 –40 °C +25 °C +85 °C +20 –60 1.00 Frequency (GHz) Figure 7. Output Return Loss vs Frequency Over Temperature, Narrow Band 0 2 4 6 8 10 12 14 16 18 20 22 24 Frequency (GHz) Figure 8. Small Signal Gain vs Frequency Over Temperature, Wide Band Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 1.00 Frequency (GHz) Figure 5. Input Return Loss vs Frequency Over Temperature Output Return Loss (dB) 0.95 –40 °C +25 °C +85 °C Frequency (GHz) –45 –50 0.70 0.90 Figure 4. Small Signal Gain vs Frequency Over Temperature, Narrow Band Figure 3. Noise Figure vs Frequency Over Temperature –24 –26 0.70 0.85 Frequency (GHz) Frequency (GHz) November 5, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202525D 0 –2 –4 –6 –8 –10 –12 –14 –16 –18 –20 –22 –24 –26 –20 –40 °C +25 °C +85 °C –30 Reverse Isolation (dB) Input Return Loss (dB) DATA SHEET • SKY67161-306LF TWO-STAGE LNA –40 °C +25 °C +85 °C 0 2 4 6 8 10 12 14 16 18 20 22 –40 –50 –60 –70 –80 24 0 2 4 6 8 10 Frequency (GHz) Figure 9. Input Return Loss vs Frequency Over Temperature, Wide Band 18 20 22 24 –40 °C +25 °C +85 °C 5 –10 Stability Factor (μ1) Output Return Loss (dB) 16 6 –20 –30 –40 °C +25 °C +85 °C –40 0 2 4 6 8 10 12 14 16 18 20 22 4 3 2 1 0 24 0 2 4 Frequency (GHz) 6 8 10 12 14 16 18 20 22 24 Frequency (GHz) Figure 11. Output Return Loss vs Frequency Over Temperature, Wide Band Figure 12. Stability Factor (μ1) vs Frequency Over Temperature 6 +41 –40 °C +25 °C +85 °C 5 +40 4 OIP3 (dBm) Stability Factor (μ2) 14 Figure 10. Reverse Isolation vs Frequency Over Temperature, Wide Band 0 –50 12 Frequency (GHz) 3 2 1 +39 +38 +37 –40 °C +25 °C +85 °C +36 0 0 2 4 6 8 10 12 14 16 18 20 22 24 Frequency (GHz) Figure 13. Stability Factor (μ2) vs Frequency Over Temperature +35 0.70 0.75 0.80 0.85 0.90 0.95 1.00 Frequency (GHz) Figure 14. OIP3 vs Frequency Over Temperature Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202525D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 5, 2013 5 +41 40 +40 38 +39 Gain (dB) OIP3 (dBm) DATA SHEET • SKY67161-306LF TWO-STAGE LNA +38 36 34 +37 4.5 V 5.0 V 5.5 V +36 +35 0.70 0.75 0.80 0.85 0.90 0.95 –40 °C +25 °C +85 °C 32 1.00 30 +10 +12 +14 +16 +18 +20 +22 +24 +26 Output Power (dBm) Frequency (GHz) Figure 16. Gain vs Output Power Over Temperature Figure 15. OIP3 vs Frequency Over Voltage 200 Supply Current (mA) 190 180 170 160 150 140 130 120 110 100 +10 –40 °C +25 °C +85 °C +12 +14 +16 +18 +20 +22 +24 +26 Output Power (dBm) Figure 17. Supply Current vs Output Power Over Temperature Evaluation Board Description Package and Handling Information The SKY67161-306LF Evaluation Board is used to test the performance of the SKY67161-306LF two-stage LNA. An Evaluation Board schematic diagram is provided in Figure 18. Table 4 provides the Evaluation Board Bill of Materials. An assembly drawing for the Evaluation Board is shown in Figure 19. 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. Package Dimensions THE SKY67161-306LF is rated to Moisture Sensitivity Level 1 (MSL1) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, Solder Reflow Information, document number 200164. The PCB layout footprint for the SKY67161-306LF is shown in Figure 20. Typical case markings are noted in Figure 21. Package dimensions for the 16-pin QFN are shown in Figure 22, and tape and reel dimensions are provided in Figure 23. 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. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 6 November 5, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202525D DATA SHEET • SKY67161-306LF TWO-STAGE LNA VDD2 –+ M18 × 1 × 2 × × 14 13 N/C N/C 15 N/C 16 × M17 N/C × M16 12 N/C N/C N/C RF_OUT2 RF_IN1 RF_OUT2 3 4 RF_GND M26 5 N/C VBIAS M24 6 N/C 7 RF_IN2 M25 M9 11 10 RF_OUT1 M23 RFIN × RFOUT M15 × M11 8 M8 × M27 9 M14 M13 M1 M7 M6 M10 M12 M5 M4 M2 + – M3 VDD1 Y0305 Figure 18. SKY67161-306LF Evaluation Board Schematic (VDD1 = VDD2 = +5 V) Table 4. SKY67161-306LF Evaluation Board Bill of Materials (1 of 2) Component M1 Value 9.1 kΩ Size 0402 Manufacturer Kamaya Part # RMC1/16S-912JTH Comments Resistor, RMC, 1/16S, 5% M2 24 Ω 0402 Kamaya RMC1/16S-240JTH Resistor, RMC, 1/16S, 5% M3 1000 pF 0402 Murata GRM155R71H102KA01 Capacitor M4 10000 pF 0402 Murata GRM155R71H103KA88 Capacitor M5 3.3 nH 0402 Murata LQG15HS3N3S02 Inductor M6, M14 0Ω 0402 Kamaya RMC1/16SJPTH Resistor, RMC, 1/16S, 5% M7 4.7 pF 0402 Murata GRM1555C1H4R7CZ01 Capacitor M8 0.1 μF 0402 Murata GRM155R71C104KA88 Capacitor M9 12 pF 0402 Murata GRM1555C1H120JZ01 Capacitor M10 10 kΩ 0402 Kamaya RMC1/16S-103JTH Resistor, RMC, 1/16S, 5% M11 20 Ω 0402 Kamaya RMC1/16S-200JTH Resistor, RMC, 1/16S, 5% M12, M13, M25 DNI – – – – M15 18 nH 0402 Murata LQG15HS18NJ02 Inductor Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202525D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 5, 2013 7 DATA SHEET • SKY67161-306LF TWO-STAGE LNA Table 4. SKY67161-306LF Evaluation Board Bill of Materials (2 of 2) Component Value Size Manufacturer Part # Comments M16 33 nH 0402 Coilcraft 0402HP-33NX_L Inductor M17 100 pF 0402 Murata GRM1555C1H101JZ01 Capacitor M18 1 μF 0402 Murata GRM155R61A105KE15 Capacitor M19, M20, M21, M22 Unused – – – – M23 33 pF 0402 Murata GRM155C1H330JZ01 Capacitor M24 18 nH 0402 Coilcraft 0402HP-18NX_L Inductor 0.1 μF 0402 Murata GRM155R71C104KA88 Capacitor M26, M27 VDD2 GND VDD1 GND VBIAS Components M19, M20, M21, and M22 are shown on the Evaluation Board assembly diagram but are not included in the schematic or in Table 4 since they are not needed for this application. GND Note: S3221 Figure 19. SKY67161-306LF Evaluation Board Assembly Diagram Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 8 November 5, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202525D DATA SHEET • SKY67161-306LF TWO-STAGE LNA 16X 1.45 (To Metal Pads) Pitch 0.65 Typ. 0.325 4X Plated Thru Vias See Detail A Metal GND Pad (Sq.) 2.15 0.30 Exposed Soldering Area 0.75 Detail A S2274 Figure 20. SKY67161-306LF PCB Layout Footprint Pin 1 Indicator Skyworks Part # Lot # Date Code: (YY = Calendar Year WW = Week CC = Country Code) Figure 21. Typical Case Markings (Top View) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202525D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 5, 2013 9 DATA SHEET • SKY67161-306LF TWO-STAGE LNA C 4 B Pin 1 Indicator 2.15 +0.10/–0.15 (0.2) Seating Plane (1.075) 0.02 +0.03/–0.02 Pin 1 Indicator (Option B) Exposed Pad Pin 1 Indicator (Option A) 4 (1.075) 0.20 Min. 16X 4 0.15 C 2X 2.15 +0.10/–0.15 A 0.08 C 2X Detail A 16X 0.15 C 0.90 ± 0.10 Detail B 0.10 C Side View Top View Bottom View R0.12 Typ. 0.18 R0.20 Pin 1 Indicator 0.55 ± 0.10 0.18 0.345 (0.325) 0.30 +0.05 0.10 M C A B 0.65 0.345 Detail A Detail B Option A Option B Scale: 40X 16 Places Scale: 20X Even Terminal Side Pin 1 Indicator Scale: 10X Pin 1 Indicator Scale: 20X All measurements are in millimeters. Dimensioning and tolerancing according to ASME Y14.5M-1994. Coplanarity applies to the exposed heat sink slug as well as the terminals. Package may have option A or option B pin 1 indicator. Figure 22. SKY67161-306LF 16-Pin QFN Package Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 10 November 5, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202525D S2400 DATA SHEET • SKY67161-306LF TWO-STAGE LNA 4.00 ± 0.10 0.30 ± 0.05 (T) 2.00 ± 0.05 ∅1.50 +0.1/–0 8.00 ± 0.10 1.75 ± 0.10 B A B 1.10 ± 0.10 (Ko) 4.35 ± 0.10 (Ao) 12.00 ± 0.30 4.35 ± 0.10 (Bo) A 5.50 ± 0.05 Pin 1 Indicator ∅1.50 Min. R0.25 Typ. B A Notes: 1. Carrier tape material: black conductive polystyrene, non-bakeable 2. Cover tape material: transparent conductive HSA 3. Cover tape size: 9.2 mm width 4. ESD surface resistivity is ≥1 x 105 ~ ≤ 1 x 1010 Ohms/square S1846 per EIA, JEDEC TNR Specification. 5. All measurements are in millimeters Figure 23. SKY67161-306LF Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202525D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 5, 2013 11 DATA SHEET • SKY67161-306LF TWO-STAGE LNA Ordering Information Model Name SKY67161-306LF Two-Stage LNA Manufacturing Part Number SKY67161-306LF Evaluation Board Part Number SKY67161-306LF-EVB Copyright © 2012, 2013 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. 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Skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifications or parameters. Skyworks, the Skyworks symbol, and “Breakthrough Simplicity” are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands and names are for identification purposes only, and are the property of their respective owners. Additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 12 November 5, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202525D