PRELIMINARY DATA SHEET SKY65186-11: 330 – 2700 MHz Dual-Channel, Variable Gain Amplifier Front-End Module Applications Description • Cellular, 3G and LTE infrastructure Skyworks SKY65186-11 is a high dynamic range receive Variable Gain Amplifier (VGA) Front-End Module (FEM) for 3G and LTE infrastructures and other applications that operate in the 0.4 to 2.7 GHz band. • Microwave radio • Repeaters • High performance radio links Features • Frequency range: 330 to 2700 MHz • Dual channel • 6-bit digital step attenuator for each channel • 31.5 dB control range with 0.5 dB step size • Single DC supply: +5 V • Internal RF match and bias circuits The SKY65186-11 contains two Digital Step Attenuators (DSAs) and two Power Amplifiers (PAs). The DSA is a 6-bit attenuator with an 0.5 dB step size that provides 31.5 dB of total attenuation. The DSA is controlled using an on-chip Serial Peripheral Interface (SPI) logic circuit. The SKY65186-11 is provided in a 32-pin, 7 x 7 mm Multi-Chip Module (MCM) package, which allows for a highly manufacturable low cost solution. The device package and pinout for the 32-pin MCM are shown in Figure 1. A block diagram of the SKY65186-11 is shown in Figure 2. Signal pin assignments and functional pin descriptions are provided in Table 1. • Small footprint, MCM (32-pin, 7 x 7 mm) package (MSL3, 260 °C per JEDEC J-STD-020) Figure 1. SKY65186-11 Pinout – 32-Pin MCM (Top View) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 1 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Figure 2. SKY65186-11 Block Diagram Table 1. SKY65186-11 Signal Descriptions Pin # Name Description Pin # Name Description 1 RF_IN1 RF input 1 17 RF_OUT2 RF output 2 2 GND Ground 18 GND Ground 3 SPI_VCC Supply voltage for SPI 19 GND Ground 4 SPI_LE Serial latch enable input 20 GND Ground 5 SPI_DATA Serial data input 21 GND Ground 6 SPI_CLK Serial clock input 22 GND Ground 7 N/C No connection 23 GND Ground 8 RF_IN2 RF input 2 24 RF_OUT1 RF output 1 9 GND Ground 25 GND Ground 10 N/C No connection 26 AMP1_VCC Supply voltage for amplifier 1 11 GND Ground 27 GND Ground 12 GND Ground 28 N/C No connection 13 N/C No connection 29 GND Ground 14 GND Ground 30 GND Ground 15 AMP2_VCC Supply voltage for amplfier 2 31 N/C No connection 16 GND Ground 32 GND Ground Technical Description Serial I/O Control Interface The SKY65186-11 VGA FEM contains all of the needed RF matching and DC biasing circuits. The device is a dualchannel,digitally controlled VGA that features high linearity and a low Noise Figure (NF). These features make the device suitable for 3G infrastructures and other applications operating in the 330 to 2700 MHz frequency range. The three-wire serial bus consists of the SPI_CLK, SPI_LE, and SPI_DATA control signals. The serial bus timing is shown in Figure 3. Timing parameters are defined in Table 2. The serial data is sent MSB first and should be sampled with the rising edge of the serial clock (SPI_CLK). The rising edge of the latch enable (SPI_LE) signal should be used to capture the data into holding registers. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Serial data is formatted as a 12-bit word. As shown in Figure 3, the 12-bit word contains logic for both attenuators. Each word contains the following sequence: The minimum attenuation (0 dB) for each attenuator is achieved using the binary data sequence 111111b. Maximum attenuation (31.5 dB) corresponds to the binary data sequence 000000b. Attenuator 1: The state of the SKY65186-11 is determined by the attenuation logic provided in Table 3 (DSA 1) and Table 4 (DSA 2). Bit[11]: attenuation = 16 dB Bit[10]: attenuation = 8 dB Bit[9]: attenuation = 4 dB Electrical and Mechanical Specifications Bit[8]: attenuation = 2 dB The absolute maximum ratings of the SKY65186-11 are provided in Table 5. Recommended operating conditions are specified in Table 6 and electrical specifications are provided in Table 7. Bit[7]: attenuation = 1 dB Bit[6]: attenuation = 0.5 dB Attenuator 2: Bit[5]: attenuation = 16 dB Bit[4]: attenuation = 8 dB Bit[3]: attenuation = 4 dB Typical performance characteristics are shown in Figures 4 through 8 (330 MHz), Figures 9 through 12 (400 MHz), Figures 13 through 16 (700 MHz), Figures 17 through 20 (900 MHz), Figures 21 through 24 (1900 MHz), and Figures 25 through 28 (2700 MHz). Bit[2]: attenuation = 2 dB Bit[1]: attenuation = 1 dB Bit[0]: attenuation = 0.5 dB Figure 3. Serial Input Timing Diagram Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 3 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Table 2. Serial Input Timing Parameters Parameter Value Description t1 25 MHz maximum Clock frequency t2 20 ns minimum CLK high t3 20 ns minimum CLK low t4 5 ns minimum DATA to CLK setup time t5 5 ns minimum DATA to CLK hold time t6 30 ns minimum DATA valid t7 5 ns minimum LE to CLK setup time t8 5 ns minimum CLK to LE setup time t9 10 ns minimum LE pulse width t10 20 ns minimum Output set Table 3. Attenuation Logic Truth Table (DSA 1) Attenuator Control Word (Channel 1) Attenuation Relative to Maximum Gain (dB) B11 (MSB) B10 B9 B8 B7 B6 (LSB) 1 1 1 1 1 1 0 1 1 1 1 1 0 0.5 1 1 1 1 0 1 1.0 1 1 1 0 1 1 2.0 1 1 0 1 1 1 4.0 1 0 1 1 1 1 8.0 0 1 1 1 1 1 16.0 0 0 0 0 0 0 31.5 Table 4. Attenuation Logic Truth Table (DSA 2) Attenuator Control Word (Channel 2) Attenuation Relative to Maximum Gain (dB) B5 (MSB) B4 B3 B2 B1 B0 (LSB) 1 1 1 1 1 1 0 1 1 1 1 1 0 0.5 1 1 1 1 0 1 1.0 1 1 1 0 1 1 2.0 1 1 0 1 1 1 4.0 1 0 1 1 1 1 8.0 0 1 1 1 1 1 16.0 0 0 0 0 0 0 31.5 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Table 5. SKY65186-11 Absolute Maximum Ratings (Note 1) Parameter Symbol Minimum Maximum Units 4.0 5.5 V Supply voltage AMP1_VCC, AMP2_VCC RF input power PIN +14 dBm Operating temperature TC –40 +85 °C Storage temperature TST –65 +150 °C Junction temperature TJ +150 °C 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. Table 6. SKY65186-11 Recommended Operating Conditions Parameter Symbol Minimum Typical Maximum Units Frequency range f 330 2700 MHz Supply voltage (AMP1_VCC, AMP2_VCC) VCC 4.75 5.25 V Serial port interface supply voltage (SPI_VCC) 4.75 5.25 V Control voltage, high level (SPI_LE, SPI_DATA, SPI_CLK) 3.0 3.3 V Operating current ICC 220 mA Table 7. SKY65186-11 Electrical Specifications (1 of 2) (Note 1) (AMP1_VCC = AMP2_VCC = 5.0 V, TC = 25 °C, Attenuation = 0 dB, CW Input = –30 dBm, Unless Otherwise Noted) Parameter Symbol Operating Frequency (MHz) Min Typical Max Units Small signal gain |S21| 330 (Note 2) 400 700 900 1900 2700 13.6 13.6 13.0 13.5 13.3 13.0 dB dB dB dB dB dB Attenuation Attn 330 (Note 2) 400 700 900 1900 2700 31.5 31.5 31.5 31.5 31.5 31.5 dB dB dB dB dB dB Attenuation step Attn_STEP 330 (Note 2) 400 700 900 1900 2700 0.5 0.5 0.5 0.5 0.5 0.5 dB dB dB dB dB dB Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 5 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Table 7. SKY65186-11 Electrical Specifications (2 of 2) (Note 1) (AMP1_VCC = AMP2_VCC = 5.0 V, TC = 25 °C, Attenuation = 0 dB, CW Input = –30 dBm, Unless Otherwise Noted) Parameter Symbol Operating Frequency (MHz) Min Typical Max Attenuation step error Attn_ERROR 330 (Note 2) 400 700 900 1900 2700 0.1 ± 0.5% 0.1 ± 0.5% 0.1 ± 0.5% 0.1 ± 0.5% 0.1 ± 0.5% 0.2 ± 0.5% dB dB dB dB dB dB 1 dB Output Compression Point OP1dB 330 (Note 2) 400 700 900 1900 2700 +20.3 +20.3 +20.0 +20.3 +20.2 +19.5 dBm dBm dBm dBm dBm dBm 3rd Order Output Intercept Point (output power = 0 dBm, 1 MHz spacing) OIP3 330 (Note 2) 400 700 900 1900 2700 +34.3 +36.8 +35.2 +36.4 +33.6 +32.0 dBm dBm dBm dBm dBm dBm Noise Figure NF 330 (Note 2) 400 700 900 1900 2700 7.9 7.8 6.5 5.8 5.0 4.8 dB dB dB dB dB dB Input return loss |S11| 330 (Note 2) 400 700 900 1900 2700 17.7 19.0 21.4 19.0 12.4 12.0 dB dB dB dB dB dB Output return loss |S22| 330 (Note 2) 400 700 900 1900 2700 9.2 11.0 15.3 26.2 11.7 10.8 dB dB dB dB dB dB Quiescent current/amplifier ICQ No RF 105 mA Note 1: Performance is guaranteed only under the conditions listed in this Table. Note 2: Performance at 330 MHz requires components C24 = C11 = 30 pF and components C25 = C10 = 2.2 pF. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 6 Units August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Typical Performance Characteristics @ 330 MHz (VCC = 5 V, TC = +25 °C, Schematic Components C24 = C11 = 30 pF and C25 = C10 = 2.2 pF, Unless Otherwise Noted) Figure 4. Gain vs Output Power Over Temperature Figure 5. Current vs Output Power Over Temperature Figure 6. Cascaded Performance, Attenuation Accuracy vs Attenuation Setting (Spec: 0.1 + 5%) Figure 7. OIP3 vs Output Power Over Temperature (1 MHz Spacing) Figure 8. Noise Figure vs Frequency Over Temperature Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 7 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Typical Performance Characteristics @ 400 MHz (VCC = 5 V, TC = +25 °C, Unless Otherwise Noted) Figure 9. Gain vs Output Power Over Temperature Figure 10. Current vs Output Power Over Temperature Figure 11. Cascaded Performance, Attenuation Accuracy vs Attenuation Setting Figure 12. OIP3 vs Output Power Over Temperature (1 MHz Spacing) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 8 August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Typical Performance Characteristics @ 700 MHz (VCC = 5 V, TC = +25 °C, Unless Otherwise Noted) Figure 13. Gain vs Output Power Over Temperature Figure 14. Current vs Output Power Over Temperature Figure 15. Cascaded Performance, Attenuation Accuracy vs Attenuation Setting Figure 16. OIP3 vs Output Power Over Temperature (1 MHz Spacing) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 9 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Typical Performance Characteristics @ 900 MHz (VCC = 5 V, TC = +25 °C, Unless Otherwise Noted) Figure 17. Gain vs Output Power Over Temperature Figure 18. Current vs Output Power Over Temperature Figure 19. Cascaded Performance, Attenuation Accuracy vs Attenuation Setting Figure 20. OIP3 vs Output Power Over Temperature (1 MHz Spacing) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 10 August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Typical Performance Characteristics @ 1900 MHz (VCC = 5 V, TC = +25 °C, Unless Otherwise Noted) Figure 21. Gain vs Output Power Over Temperature Figure 22. Current vs Output Power Over Temperature Figure 23. Cascaded Performance, Attenuation Accuracy vs Attenuation Setting Figure 24. OIP3 vs Output Power Over Temperature (1 MHz Spacing) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 11 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Typical Performance Characteristics @ 2700 MHz (VCC = 5 V, TC = +25 °C, Unless Otherwise Noted) Figure 25. Gain vs Output Power Over Temperature Figure 26. Current vs Output Power Over Temperature Figure 27. Cascaded Performance, Attenuation Accuracy vs Attenuation Setting Figure 28. OIP3 vs Output Power Over Temperature (1 MHz Spacing) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 12 August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Evaluation Board Description Package and Handling Information The SKY65186-11 Evaluation Board is used to test the performance of the SKY65186-11 VGA FEM. A schematic diagram of the SKY65186-11 Evaluation Board is shown in Figure 29. An assembly drawing for the Evaluation Board is shown in Figure 30 and the layer detail is provided in Figure 31. The layer detail physical characteristics are noted in Figure 32. 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. The SKY65186-11 requires DC blocking capacitors at the RF input ports (pins 1 and 8). The RF output ports (pins 17 and 24) are internally DC blocked. For applications operating from 330 MHz to 400 MHz, components C24 and C11 need to be populated with 30 pF capacitors and C25 and C10 need to be populated with 2.2 pF capacitors (see Figure 29). The SKY65186-11 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 Skyworks Application Note, PCB Design and SMT Assembly/Rework Guidelines for MCM-L Packages, document number 101752. Package Dimensions The PCB layout footprint for the SKY65186-11 is provided in Figure 33. Package dimensions for the 32-pin MCM are shown in Figure 34, and tape and reel dimensions are provided in Figure 35. 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 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 13 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Figure 29. SKY65186-11 Evaluation Board Schematic Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 14 August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Figure 30. SKY65186-11 Evaluation Board Assembly Drawing Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 15 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Figure 31. SKY65186-11 Evaluation Board Layer Detail Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 16 August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Figure 32. Layer Detail Physical Characteristics *** TBD *** Figure 33. SKY65186-11 PCB Layout Footprint Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 17 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Figure 34. SKY65186-11 32-Pin MCM Package Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 18 August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Figure 35. SKY65186-11 32-Pin MCM Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201646B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 24, 2012 19 PRELIMINARY DATA SHEET • SKY65186-11 DUAL-CHANNEL VGA FEM Ordering Information Model Name SKY65186-11 Dual-Channel VGA FEM Manufacturing Part Number SKY65186-11 Evaluation Board Part Number TW18-D930-001 Copyright © 2012 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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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 20 August 24, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 201646B