DATA SHEET SKY67110-396LF: 0.30-0.75 GHz High Linearity, Active Bias Low-Noise Amplifier Applications • CDMA, WCDMA, ISM, TETRA, RFID, LMR, and LTE cellular infrastructures • Ultra low-noise systems Features • Ultra Low Noise Figure: 0.65 dB @ 0.45 GHz • High temperature operation to +105 °C • High gain: 21 dB @ 0.45 GHz • IIP3: +16 dBm @ 0.45 GHz • High IP1dB performance: +1 dBm @ 0.45 GHz • Adjustable supply current and gain • Temperature and process-stable active bias • Miniature DFN (8-pin, 2 x 2 mm) package (MSL1 @ 260 °C per JEDEC J-STD-020) Figure 1. SKY67110-396LF Block Diagram Description The SKY67110-396LF is GaAs, pHEMT Low-Noise Amplifier (LNA) with an active bias and high linearity performance. The advanced GaAs pHEMT enhancement mode process provides excellent return loss, low noise, and high linearity performance. The internal active bias circuitry provides stable performance over temperature and process variation. The device offers the ability to externally adjust supply current and gain. Supply voltage is applied to the RFOUT/VDD pin through an RF choke inductor. Pin 4 (VBIAS) should be connected to RFOUT/VDD through an external resistor to control the supply current. The RFIN and RFOUT/VDD pins should be DC blocked to ensure proper operation. Pin 5 (FEEDBACK) is connected through an RC network to externally adjust the gain of the device without affecting the Noise Figure (NF) of the LNA. The SKY67110-396LF operates in the frequency range of 0.30 to 0.75 GHz with proper tuning. The LNA is manufactured in a compact, 2 x 2 mm, 8-pin Dual Flat No-Lead (DFN) 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. Figure 2. SKY67110-396LF Pinout – 8-Pin DFN (Top View) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201792B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 14, 2013 1 DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Table 1. SKY67110-396LF Signal Descriptions Pin # Name Description Pin # Name Description 1 N/C No connection. May be connected to ground with no change in performance. 5 FEEDBACK LNA external gain control. Connect to RFOUT using a series RD network. 2 RFIN RF input. DC blocking capacitor required. 6 N/C No connection. May be connected to ground with no change in performance. 3 RFGND RF ground. Connect to ground through a capacitor. 7 RFOUT/VDD RF output. Apply VDD through RF choke inductor. DC blocking capacitor required. 4 VBIAS LNA supply current. Connect through series resistor to VDD or bias separately through DC header, pin 4. 8 N/C No connection. May be connected to ground with no change in performance. Table 2. SKY67110-396LF Absolute Maximum Ratings Parameter Symbol Supply voltage VDD RF input power PIN Storage temperature TSTG Thermal resistance θJC Operating temperature TA Junction temperature TJ Electrostatic Discharge: Charged Device Model (CDM), Class 4 Human Body Model (HBM), Class 1A Machine Model (MM), Class A ESD Note: Minimum –65 Typical +25 Maximum Units 5.5 V +20 dBm +150 °C °C/W 62.2 –40 +25 +105 °C +150 °C 1000 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. Electrical and Mechanical Specifications The absolute maximum ratings of the SKY67110-396LF are provided in Table 2. Electrical specifications are provided in Table 3. Typical performance characteristics of the SKY67110-396LF are illustrated in Figures 3 through 19. Table 4 provides noise source pull information versus frequency. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 January 14, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201792B DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Table 3. SKY67110-396LF Electrical Specifications (Note 1) (VDD = 5.0 V, IDD = 76 mA, TA = +25 °C, PIN = –20 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Parameter Symbol Test Condition Min Typical Max Units 0.65 0.90 dB RF Specifications Noise Figure (Note 2) NF @ 0.45 GHz Small signal gain |S21| @ 0.45 GHz 20 21 dB Input return loss |S11| @ 0.45 GHz 13.0 17.5 dB Output return loss |S22| @ 0.45 GHz 12 18 dB Reverse isolation |S12| @ 0.45 GHz 25 28 dB 3rd Order Input Intercept Point IIP3 @ 0.45 GHz, Δf = 5 MHz, PIN = –20 dBm/tone +13 +16 dBm 3rd Order Output Intercept Point OIP3 @ 0.45 GHz, Δf = 5 MHz, PIN = –20 dBm/tone +34 +37 dBm 1 dB Input Compression Point IP1dB @ 0.45 GHz –1 +1 dBm 1 dB Output Compression Point OP1dB @ 0.45 GHz +19 +21 dBm Stability μ1, μ2 Up to 18 GHz, –40 °C to +105 °C >1 – DC Specifications Supply voltage VDD Supply current IDD 5.0 Set with external resistor 65 76 V 85 mA Note 1: Performance is guaranteed only under the conditions listed in this Table. Note 2 Board and connector losses have not been de-embedded. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201792B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 14, 2013 3 DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Typical Performance Characteristics (VDD = 5.0 V, IDD = 76 mA, TA = +25 °C, PIN = –20 dBm, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Figure 3. Broadband Gain Response vs Frequency Over Temperature Figure 4. Narrowband Gain Response vs Frequency Over Temperature Figure 5. Broadband Input Return Loss vs Frequency Over Temperature Figure 6. Narrowband Input Return Loss vs Frequency Over Temperature Figure 7. Broadband Reverse Isolation vs Frequency Over Temperature Figure 8. Narrowband Reverse Isolation vs Frequency Over Temperature Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 January 14, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201792B DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 9. Broadband Output Return Loss vs Frequency Over Temperature Figure 10. Narrowband Output Return Loss vs Frequency Over Temperature Figure 11. Noise Figure vs Frequency Over Temperature Figure 12. IIP3 vs Frequency Over Temperature Figure 13. IIP3 vs Input power/Tone @ 0.45 GHz Over Temperature Figure 14. Gain @ 0.45 GHz vs Input Power Over Temperature Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201792B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 14, 2013 5 DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 15. μ Stability vs Frequency Over Temperature Figure 16. μ1 Stability vs Frequency Over Temperature Figure 17. OIP3 Load Pull @ 0.35 GHz, 5 V, 76 mA (Input Load = NF Min., –20 dBm/Tone, 5 MHz Spacing) Figure 18. OIP3 Load Pull @ 0.45 GHz, 5 V, 76 mA (Input Load = NF Min., –20 dBm/Tone, 5 MHz Spacing) Figure 19. OIP3 Load Pull @ 0.75 GHz, 5 V, 76 mA (Input Load = NF Min., –20 dBm/Tone, 5 MHz Spacing) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 6 January 14, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201792B DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Table 4. Noise Parameters vs Frequency @ 25 °C, 5 V, 76 mA (1 of 2) Γopt Frequency (GHz) Minimum Noise Figure (FMIN) (dB) Noise Resistance (RN) (Ω) Phase Associated Gain (dB) Maximum Gain (GMAX) (dB) Magnitude 0.35 0.4326 0.0000 0.1806 69.36 23.4394 23.82222468 0.40 0.4819 0.0100 0.1797 70.08 22.3696 22.68049256 0.45 0.5265 0.0300 0.1796 70.95 21.3451 21.59645184 0.50 0.5671 0.0473 0.1800 71.94 20.3647 20.56825726 0.55 0.6042 0.0622 0.1810 73.05 19.4273 19.59406356 0.60 0.6385 0.0749 0.1827 74.28 18.5316 18.67202547 0.65 0.6707 0.0857 0.1848 75.60 17.6766 17.80029773 0.70 0.7014 0.0949 0.1875 77.01 16.8610 16.97703507 0.75 0.7313 0.1026 0.1906 78.51 16.0838 16.20039224 0.80 0.7610 0.1092 0.1942 80.09 15.3437 15.46852398 0.85 0.7912 0.1150 0.1983 81.73 14.6396 14.77958501 0.90 0.8224 0.1202 0.2027 83.42 13.9704 14.13173007 0.95 0.8555 0.1251 0.2076 85.17 13.3349 13.52311391 1.00 0.8909 0.1298 0.2128 86.95 12.7320 12.95189125 1.05 0.9294 0.1348 0.2183 88.76 12.1604 12.41621685 1.10 0.9716 0.1402 0.2242 90.60 11.6190 11.91424542 1.15 1.0181 0.1464 0.2303 92.44 11.1068 11.44413172 1.20 1.0697 0.1535 0.2367 94.29 10.6224 11.00403047 1.25 1.1269 0.1619 0.2433 96.14 10.1648 10.59209642 1.30 1.1904 0.1718 0.2501 97.97 9.7328 10.2064843 1.35 1.2608 0.1835 0.2571 99.78 9.3253 9.845348845 1.40 1.3388 0.1972 0.2643 101.55 8.9410 9.506844798 1.45 1.4251 0.2133 0.2716 103.29 8.5789 9.189126894 1.50 1.5203 0.2319 0.2790 104.97 8.2378 8.890349869 1.55 1.6250 0.2533 0.2864 106.60 7.9165 8.608668461 1.60 1.7399 0.2778 0.2939 108.16 7.6139 8.342237407 1.65 1.8657 0.3057 0.3015 109.64 7.3288 8.089211444 1.70 2.0029 0.3371 0.3090 111.03 7.0601 7.847745308 1.75 2.1522 0.3725 0.3165 112.34 6.8066 7.615993738 1.80 2.3144 0.4120 0.3240 113.54 6.5671 7.392111469 1.85 2.4900 0.4560 0.3314 114.62 6.3405 7.174253239 1.90 2.6796 0.5046 0.3386 115.59 6.1256 6.960573785 1.95 2.8840 0.5581 0.3458 116.43 5.9213 6.749227845 2.00 3.1038 0.6168 0.3528 117.12 5.7265 6.538370154 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201792B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 14, 2013 7 DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Table 4. Noise Parameters vs Frequency @ 25 °C (2 of 2) Γopt Frequency (GHz) Minimum Noise Figure (FMIN) (dB) Noise Resistance (RN) (Ω) Phase Associated Gain (dB) Maximum Gain (GMAX) (dB) Magnitude 2.05 3.3396 0.6810 0.3596 117.67 5.5399 6.32615545 2.10 3.5920 0.7510 0.3662 118.07 5.3604 6.110738471 2.15 3.8618 0.8269 0.3725 118.30 5.1869 5.890273953 2.20 4.1496 0.9091 0.3786 118.35 5.0182 5.662916633 2.25 4.4559 0.9978 0.3844 118.22 4.8532 5.426821248 2.30 4.7816 1.0932 0.3899 117.90 4.6906 5.180142536 2.35 5.1272 1.1958 0.3951 117.38 4.5293 4.921035233 2.40 5.4933 1.3056 0.3999 116.64 4.3683 4.647654076 2.45 5.8806 1.4230 0.4043 115.69 4.2063 4.358153803 2.50 6.2898 1.5482 0.4083 114.52 4.0421 4.050689151 Evaluation Board Description Package and Handling Information The SKY67110-396LF Evaluation Board is used to test the performance of the SKY67110-396LF LNA. An assembly drawing for the Evaluation Board is shown in Figure 20. An Evaluation Board schematic diagram is provided in Figure 21. Table 5 provides the Bill of Materials (BOM) list for Evaluation Board components. 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. The test board uses a 10 mil Rogers 4350B substrate on a 50 mil FR4 supporting substrate. The Rogers 4350B material was selected for the RF circuit because of its low dielectric constant (εr) and low εr variation over temperature for the best possible noise performance. Package Dimensions THE SKY67110-396LF 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. 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. The PCB layout footprint for the SKY67110-396LF is provided in Figure 22. Typical case markings are shown in Figure 23. Package dimensions for the 8-pin DFN are shown in Figure 24, and tape and reel dimensions are provided in Figure 25. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 8 January 14, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201792B DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 20. SKY67110-396LF Evaluation Board Assembly Diagram Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201792B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 14, 2013 9 DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 21. SKY67110-396LF Evaluation Board Schematic Table 5. SKY67110-396LF Evaluation Board Bill of Materials Component Value Size Manufacturer Part # Comments M1 9 pF 0402 Murata GJM1555C1H9R0DB01 Capacitor M2, M8, M9, M19 DNI – – – – M3 1 nH 0402 Coilcraft 0402HP-1N0XJL Inductor M4 82 pF 0402 Murata GRM1555C1H820JZ01 Capacitor M5 22 nH 0402 Coilcraft 0402HP-22NX_L Inductor M6 7500 Ω 0402 Panasonic ERJ-2GEJ752X Resistor M7, M15, M17 1000 pF 0402 Murata GRM155R71H102KA01 Capacitor M10 8.2 pF 0402 Murata GRM1555C1H8R2DZ01 Capacitor M11 12 nH 0402 Murata LQG15HS12NJ02 Inductor M12 22 nH 0402 TDK MLG1005S22NJ Inductor M13 120 pF 0402 Murata GRM1555C1H121JA01 Capacitor M14 2.2 pF 0402 Murata GRM1555C1H2R2CZ01 Capacitor M16, M18 0Ω 0402 Panasonic ERJ2GE0R00X Resistor Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 10 January 14, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201792B DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 22. SKY67110-396LF PCB Layout Footprint (Top View) Figure 23. Typical Case Markings (Top View) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201792B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 14, 2013 11 DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 24. SKY67110-396LF 8-Pin DFN Package Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 12 January 14, 2013 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201792B DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Figure 25. SKY67110-396LF Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201792B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • January 14, 2013 13 DATA SHEET • SKY67110-396LF HIGH LINEARITY, ACTIVE BIAS LNA Ordering Information Model Name SKY67110-396LF LNA Manufacturing Part Number SKY67110-396LF Evaluation Board Part Number SKY67110-396LF-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. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. 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