DATA SHEET SKY65371-11: 880 to 915 MHz High Linearity, Active Bias Low-Noise Variable Gain Amplifier Applications Bypass Control LTE, WCDMA, GSM wireless infrastructure Low noise, high linearity systems Macro base stations Small cells RF_OUT RFIN Features VCC1 Fully integrated low-noise front end High gain: 39 dB Excellent return loss: >20 dB High linearity gain control > 35 dB Low NF: 0.82 dB Switchable high/low gain state modes Temperature and process stable active bias GND VCC1 VCC3 GND 14 13 VCC3 The SKY65371-11 is variable gain Low-Noise Amplifier (LNA) with an active bias and high linearity performance. The first stage of the device is comprised of an LNA with a bypass switch that is followed by a high linearity driver amplifier, a variable voltage attenuator, and a high linearity power amplifier. This module architecture provides excellent return loss, low noise, and high linearity performance. The internal active bias circuitry ensures repeatable performance over temperature. The device is fully integrated and requires minimal external components. The SKY65371-11 is manufactured in a compact, 8 x 8 mm, 16-pin Multi-Chip Module (MCM) 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. The SKY65371-11 is part of a family of LNAs that cover the frequency range of 814 MHz to 2570 MHz: SKY65369-11, 832 to 862 MHz (Data Sheet # 201767) GND 2 11 GND SKY65370-11, 814 to 849 MHz (Data Sheet # 201965) BPC1 3 10 GND GND 4 9 VGC 6 7 8 N/C RFOUT N/C 12 BPC2 1 VCC2 RFIN 5 S2793a Description 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. 15 VCC2 Figure 1. SKY65371-11 Block Diagram Small MCM (16-pin, 8 x 8 mm) package (MSL3 @ 260 C per JEDEC J-STD-020) 16 VGC SKY65371-11, 880 to 915 MHz (this Data Sheet) SKY65373-11, 1710 to 1785 MHz (Data Sheet # 201764) SKY65374-11, 1850 to 1915 MHz (Data Sheet #201966) SKY65375-11, 1920 to 1980 MHz (Data Sheet # 201755) SKY65376-11, 2500 to 2570 MHz (Data Sheet # 202458) S2465 Figure 2. SKY65371-11 Pinout – 16-Pin MCM (Top View) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201766E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • February 6, 2014 1 DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA Table 1. SKY65371-11 Signal Descriptions Pin Name Description Pin Name Description 1 RFIN RF input 9 VGC Gain control, 0 V (maximum gain) to +3.3 V (minimum gain) 2 GND Ground 10 GND Ground 3 BPC1 Bypass switch for high/low gain state, terminal 1. See Table 8. 11 GND Ground 4 GND Ground 12 RFOUT RF output 5 VCC2 Second state amplifier bias. Connect to +5 V, 120 mA minimum DC supply. 13 GND Ground 6 BPC2 Bypass switch for high/low gain state, terminal 2. See Table 8. 14 VCC3 Third stage amplifier bias. Connect to +5 V, 120 mA minimum DC supply. 7 N/C No connection. Can be left open or grounded. 15 VCC1 First stage amplifier bias. Connect to +5 V, 120 mA minimum DC supply. 8 N/C No connection. Can be left open or grounded. 16 GND Ground Table 2. SKY65371-11 Absolute Maximum Ratings (Note 1) Parameter Symbol Minimum Maximum Units 5.5 V +5 dBm +150 C Supply voltage VCC RF input power PIN Storage temperature TSTG –55 Operating temperature TC –40 +100 C Junction temperature TJ +150 C Thermal resistance RTH 21 C/W Note 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. 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. Electrical and Mechanical Specifications The absolute maximum ratings of the SKY65371-11 are provided in Table 2. The recommended operating conditions are specified in Table 3. Electrical specifications are provided in Tables 4 through 7. The gain control logic is shown in Table 8. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 February 6, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201766E DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA Table 3. SKY65371-11 Recommended Operating Conditions (@ Maximum Gain [VGC = VBPC1 = 0 V, VBPC2 = 3.3 V], PIN = –25 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Parameter Symbol Minimum RF input power PIN Frequency range f 880 Supply voltage VCC 4.75 Gain control voltage VGC 0 Bypass control voltage: Logic high Logic low VBPC1, VBPC2 Operating case temperature TC Typical Maximum Units –25 –12 dBm 915 MHz 5.25 V +3.3 V 3.3 0.6 V V +85 C 5.00 3.0 2.7 0 –40 Table 4. SKY65371-11 Electrical Specifications (1 of 2) (Note 1) (VDD = 5.0 V @ Maximum Gain [VGC = VBPC1 = 0 V, VBPC2 = 3.3 V], TC = +25 C, PIN = –25 dBm, f = 900 MHz, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Parameter Symbol Test Condition Min Typical Max Units 915 MHz RF Specifications Frequency range f Quiescent current ICQ Noise Figure (Note 2) NF Gain variation over frequency 880 380 440 mA Gain = +35 dB 0.82 1.00 dB PIN = –25 dBm: 0.60 0.80 dB Gain = 3 and 17 dB (low gain) Gain = 18 and 35 dB (high gain) Part-to-part gain variation Gain = 32, 29, 26, 22, 17, 13, 10, and 6 dB Absolute gain, high gain mode GMAX_HIGHGAIN PIN = –25 dBm, BPC1 = 0, BPC2 = 1, VGC = 0 V Absolute gain, high gain mode GMIN_HIGHGAIN PIN = –25 dBm, BPC1 = 0, BPC2 = 1, VGC = 3.3 V Absolute gain, low gain mode GMAX_LOWGAIN PIN = –25 dBm, BPC1 = 1, BPC2 = 0, VGC = 0 V Absolute gain, low gain mode GMIN_LOWGAIN PIN = –25 dBm, BPC1 = 1, BPC2 = 0, VGC = 3.3 V Input return loss |S11| PIN = –25 dBm: Gain = 3 dB (low gain) Gain = 17 dB (low gain Gain = 18 dB (high gain) Gain = 35 dB (high gain) Output return loss |S22| –1 37.5 +1 39.0 16 18.5 dB 17 21.5 –6 db dB +1 dB 18.5 18.5 18.5 20.5 24.0 25.0 22.0 23.0 dB dB dB dB 16 16 16 16 21 22 21 22 dB dB dB dB PIN = –25 dBm: Gain = 3 dB (low gain) Gain = 17 dB (low gain) Gain = 18 dB (high gain) Gain = 35 dB (high gain) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201766E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • February 6, 2014 3 DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA Table 4. SKY65371-11 Electrical Specifications (2 of 2) (Note 1) (VDD = 5.0 V @ Maximum Gain [VGC = VBPC1 = 0 V, VBPC2 = 3.3 V], TC = +25 C, PIN = –25 dBm, f = 900 MHz, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Parameter Symbol Test Condition Min Typical Max Units 60.5 70 dB Gain = 11 dB Gain = 17 dB Gain = 29 dB Gain = 35 dB +18.5 +15.0 +5.5 +2.5 +21.0 +18.5 +8.0 +5.0 dBm dBm dBm dBm Gain = 11 dB Gain = 17 dB Gain = 29 dB Gain = 35 dB +9.0 +5.0 –8.0 –12.0 +16.0 +12.0 –4.5 –7.5 dBm dBm dBm dBm RF Specifications (continued) Reverse isolation |S12| PIN = –25 dBm, gain = 35 dB (high gain) 3rd Order Input Intercept Point (Note 3) IIP3 Δf = 1 MHz, PIN = –25 dBm/tone: 1 dB Input Compression Point (Note 4) IP1dB Note 1: Performance is guaranteed only under the conditions listed in this Table. Note 2: Loss from the input SMA connector and Evaluation Board up to pin 1 has been de-embedded from the NF measurement. See Table 5 for full specifcation. The Evaluation Board input and output trace loss (typical) is 0.07 dB. Note 3: See Table 6 for full specification. Note 4: See Table 7 for full specification. Table 5. SKY65371-11 Electrical Specifications: Noise Figure (Note 1) (VDD = 4.75 to 5.25 V, TC = –40 C to +85 C, PIN = –25 dBm, f = 880 to 915 MHz, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Parameter Noise Figure Symbol NF Test Condition Gain = 3 dB Gain = 4 to 6 dB Gain = 7 to 8 dB Gain = 9 to 10 dB Gain = 11 to 12 dB Gain = 13 to 14 dB Gain = 15 to 16 dB Gain = 17 to 18 dB Gain = 19 to 20 dB Gain = 21 to 22 dB Gain = 23 to 24 dB Gain = 25 to 26 dB Gain = 27 dB Gain = 28 dB Gain = 29 to 30 dB Gain = 31 dB Gain = 32 dB Gain = 33 dB Gain = 34 dB Gain = 35 dB Min Typical Max Units 23.70 22.70 20.70 18.70 16.70 14.70 12.80 10.80 8.80 6.80 5.30 3.50 2.60 2.40 2.10 1.70 1.60 1.40 1.35 1.15 dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB dB Db dB Note 1: Verified by characterization. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 February 6, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201766E DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA Table 6. SKY65371-11 Electrical Specifications: IIP3 (Note 1) (VDD = 4.75 to 5.25 V, TC = –40 C to +85 C, PIN = –25 dBm, f = 880 to 915 MHz, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Parameter 3rd Order Input Intercept Point Symbol IIP3 Test Condition Min Typical Max Units dBm dBm dBm dBm +18 +14 +3 +1 Gain = 3 to 11 dB Gain = 12 to 17 dB Gain = 18 to 29 dB Gain = 30 to 35 dB Note 1: Verified by characterization. Table 7. SKY65371-11 Electrical Specifications: IP1dB (Note 1) (VDD = 4.75 to 5.25 V, TC = –40 C to +85 C, PIN = –25 dBm, f = 880 to 915 MHz, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Parameter 1 dB Input Compression Point Symbol IP1dB Test Condition Gain = 3 to 5 dB Gain = 6 to 11 dB Gain = 12 to 17 dB Gain = 18 to 28 dB Gain = 29 dB Gain = 30 to 35 dB Min Typical Max Units dBm dBm dBm dBm dBm dBm +10.5 +8.0 +4.0 –7.0 –10.0 –14.0 Note 1: Verified by characterization. Table 8. Gain Control Logic BPC1 (Pin 3) BPC2 (Pin 6) High gain 0 1 Low gain 1 0 Note: “1” = 3.0 V, “0” = 0 V. Evaluation Board Description Package and Handling Information The SKY65371-11 Evaluation Board is used to test the performance of the SKY65371-11 LNA. An assembly drawing for the Evaluation Board is shown in Figure 3 and the layer detail is provided in Figure 4. The layer detail physical characteristics are noted in Figure 5. 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. An Evaluation Board schematic diagram is provided in Figure 6. Table 9 provides the Bill of Materials (BOM) list for Evaluation Board components. Package Dimensions The PCB layout footprint for the SKY65371-11 is provided in Figure 7. Package dimensions for the 16-pin MCM are shown in Figure 8, and tape and reel dimensions are provided in Figure 9. The SKY65371-11is 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 Skyworks Application Note, PCB Design and SMT Assembly/Rework Guidelines for MCM-L Packages, document number 101752. 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 201766E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • February 6, 2014 5 DATA SHEET • SKY65371-11 T1 T2 10 9 8 7 6 5 4 3 2 1 N/C 11 N/C 12 PB2 J2 PB1 J1 GAIN RFIN Test Coupon RFOUT GND VCC3 VCC3 VCC2 VCC2 VCC1 VCC1 X100 S2794 Figure 3. SKY65371-11 Evaluation Board Assembly Diagram Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 6 February 6, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201766E DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA Layer 1: Top – Metal Layer 2: Ground Layer 3: Signal Layer 4: Bottom Ground S2795 Figure 4. SKY65371-11 Evaluation Board Layer Detail Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201766E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • February 6, 2014 7 DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA Cross Section Name Thickness (mm) Material Tmask 0.010 Solder Resist L1 0.035 – Dielectric 0.305 R04003C L2 0.018 – 4 x 0.101 R04350B RF L3 0.018 – Dielectric 0.305 R04003C L4 0.035 – Bmask 0.010 Solder Resist Dielectric S3351 Figure 5. Layer Detail Physical Characteristics L100 Same Length C104 C124 T1 RFIN C105 L102 1 2 3 C117 C112 VCC3 C113 13 GND VCC1 C123 RF Input 14 VCC3 15 GND 16 VCC1 C101 T2 RFOUT C116 J1 C100 RFIN RFOUT GND GND BPC1 GND GND VGC J2 C121 12 RF Output 11 10 C120 7 C106 C108 Gain N/C 8 × VCC2 C107 6 N/C VCC2 5 L101 9 C118 BPC2 4 PB1 × C109 PB2 C119 X100: 12 Header 5 6 7 8 9 10 11 12 VCC1 4 VCC2 3 VCC3 2 N/C N/C PB2 PB1 GAIN 1 S2797 Figure 6. SKY65371-11 Evaluation Board Schematic Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 8 February 6, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201766E DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA Table 9. SKY65371-11 Evaluation Board Bill of Materials Component Size Value Tolerance (%) C100, C106, C112 1210 10 μF 10 C101, C107, C113 0402 10 pF 5 C104, C109, C116, C124 0402 1000 pF 5 C105, C108, C117 0402 100 nF 10 C118 0402 DNI – C119, C120 0402 1000 pF 5 C121, C123 0402 150 pF 5 L100, L101, L102 0603 68 nH 2 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201766E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • February 6, 2014 9 DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA Pin 16 8.3 Pin 1 indicator 0.20 X 0.20 Pin 1 16X 0.95 16X 0.7 Stencil aperture size of 80 to 100% of the module/package solder mask openings 8.3 36X 0.86 Exposed Center Pad 36X 0.86 Package Outline 0.125 Typ. 1.42 Pitch Stencil Aperture Top View Thermal via array Ø0.3 mm on 0.6 mm pitch will improve thermal performance. NOTE: thermal vias should be tented with solder mask, 30-35 μm Cu plating recommended. Pin 16 8.3 8.4 Pin 16 0.6 Pitch 0.71 Typ. Pin 1 indicator 0.20 X 0.20 Pin 1 10X 0.95 Pin 1 16X 1.05 Opening size of 60 to 100% of exposed center opening shown 10X 0.7 16X 0.8 8.3 8.4 2X 2.9 0.6 Pitch Exposed Center Pad Package Outline Package Outline 0.25 Typ. 2X 2.9 1.42 Pitch 1.42 Pitch Metallization Top View Solder Mask Opening Top View All dimensions are in millimeters S2853 Figure 7. SKY65371-11 PCB Layout Footprint (Top View) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 10 February 6, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201766E 16x SMT Pad 0.1 M A B C B Pin 1 Indicator 4X 2.13 8 4X 0.71 DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA C Pin 1 Indicator See Detail B Pin 16 0 Pin 1 12X 2.47 12X 1.482 12X 0.494 8 0 4X 0.71 4X 2.13 A C 8X 3.9 36X Solder Mask Opening 0.2 A B C A 1.3 ± 0.15 0.15 A B C 0.1 Side View Top View 0.7 ± 0.1 (0.1) Bottom View 0.86 0.86 0.2 x 45° Metal Pad Edge 0.7 ± 0.05 0.86 0.86 5X R0.05 Max Detail A Pad Scale: 2X Detail B 4X R0.05 Max. Detail C Scale: 2X Scale: 2X 1X This Rotation 35X This Rotation 4X This Rotation 4X Rotated 180° 4X Rotated 90° CW 4X Rotated 90° CCW Dimensioning and tolerancing according to ASME Y14.5M-1994. All measurements are in millimeters S2473 Figure 8. SKY65371-11 16-Pin MCM Package Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201766E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • February 6, 2014 11 DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA ∅1.55 ±0.05 12.00 (P1) 4.00 (Po) Pin 1 Indicator (see Note 7) 2.00 ± 0.05 1.75 ± 0.10 7.50 ± 0.05 B 5° 8.35 (Bo) A A 16.00 ± 0.03 0.30 ± 0.05 B 1.70 (Ko) 8.35 (Ao) Section B ∅1.50 Min. 5° Notes: 1. 2. 3. 4. 5. 6. 7. Carrier tape: black conductive polystyrene. Cover tape material: transparent conductive. ESD-surface resistivity is ≤1 x 1010 Ohms/square per EIA, JEDEC TNR Specification. Po/P1 10 pitches cumulative tolerance on tape: ±0.20 mm. Ao and Bo measurement point to be 0.30 mm from bottom pocket. All dimensions are in millimeters. Pin 1 orientation is in top left corner for the following Skyworks products: SKY77503-XX SKY77506-XX SKY77512-XX SKY77526-XX SKY77343-XX SKY65369-11 SKY65370-11 SKY65371-11 SKY65372-11 SKY65373-11 Section A SKY65374-11 SKY65375-11 SKY65376-11 SKY65379-11 For all other 8 x 8 mm MCM/RFLGA products, pin 1 orientation is in top right corner. Y0491 Figure 9. SKY65371-11 Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 12 February 6, 2014 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201766E DATA SHEET • SKY65371-11 HIGH LINEARITY, ACTIVE BIAS LNA Ordering Information Model Name SKY65371-11 LNA Manufacturing Part Number SKY65371-11 Evaluation Board Part Number TW19-D640 Copyright © 2012-2014 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. 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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201766E • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • February 6, 2014 13