sky73112-11 Skyworks Solutions, Inc., sky73112-11 Datasheet
sky73112-11
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sky73112-11 Summary of contents
Page 1
... Reference clock generators with an output frequency MHz can be used with the SKY73112-11. A functional block diagram is shown in Figure 1. As indicated in this diagram, the reference frequency is divided down the R1 divider, depending on the value of the reference divisor input (R1) ...
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... GND 1 GND 2 GND 3 SW_EN 4 GND 5 GND 6 GND 7 GND 8 GND 9 RF_OUT Figure 2. SKY73112-11 Pinout– 38-Pin MCM Package (Top View) Description Pin # 20 GND 21 N FREF 24 GND 25 GND 26 GND 27 N/C 28 GND 29 GND 30 GND 31 GND 32 GND 33 N/C 34 ...
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... Figure 3. Preset timing parameter values are provided in Table 2. Although the SKY73112-11 uses supply, the internal voltage regulator has a 3.3 V output for the PLL. Therefore, the input DC voltage for the serial interface (CLK, DATA, and LE signals) should be set to 3 ...
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... Words 0-3 Bits [1:0] 2 LSB Decode (Register Address, LE Bits [1:0]) Table 3. SKY73112-11 Hold Registers and Addresses Hold Register Name Operation Mode Auto Calibration Control Frequency Control 1 Frequency Control 2 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 4 November 30, 2009 • ...
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... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200736B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 30, 2009 DATA SHEET • SKY73112-11 VCO/SYNTHESIZER State Description Bits [4:2]: ...
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... DATA SHEET • SKY73112-11 VCO/SYNTHESIZER Table 4. Load Register Word 0 (Programs the Operation Mode Register Parameter Function test_mux Lock detect and diagnostic output select [17:15] rsvd Reserved [20:18] pre_curr_sel Prescaler current bias [22:21] prescale_sel Prescaler mode select [23] rsvd Reserved [25:24] Table 5. Load Register Word 1 (Programs the Auto Calibration Control Register) ...
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... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200736B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 30, 2009 DATA SHEET • SKY73112-11 VCO/SYNTHESIZER State Description Bits [15:6]: ...
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... DATA SHEET • SKY73112-11 VCO/SYNTHESIZER Table 8. DPLL Digital Control Bits Serial Port Name dpll_clk_dly(0) dpll_clk_dly(1) dpll_temp_comp(0) dpll_temp_comp(1) dpll_temp_comp(2) dpll_temp_comp(3) dpll_temp_comp(4) dpll_temp_comp_en dpll_ext_test(0) dpll_ext_test(1) dpll_ext_test(2) dpll_ext_test(3) dpll_ext_test(4) dpll_ext_test(5) dpll_ext_test(6) dpll_ext_test(7) dpll_flag_override dpll_flag_value Figure 5. VCO Auto-Tuning Enable Process Flow Due to POR or Frequency Change Skyworks Solutions, Inc. • ...
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... The phase detector and charge pump detect and integrate the phase and frequency errors of the divided down VCO output versus the reference clock. This results in a feedback adjustment of the control voltage for the VCO. DATA SHEET • SKY73112-11 VCO/SYNTHESIZER Word 3 Word 1 (Bit [20] high) D25 ...
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... November 30, 2009 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200736B Because of the way the SKY73112-11, the number 3.5 must be added to the division number to obtain the final division ratio. The calculated value for D correct synthesizer frequency, RF: ...
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... Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. The SKY73112-11 is rated to Moisture Sensitivity Level 3 (MSL3) at 260 C. It can be used for lead or lead-free soldering. For and removing the Total ...
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... November 30, 2009 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200736B Electrostatic Discharge (ESD) Sensitivity The SKY73112-11 ESD threshold level is 250 VDC for the RF_OUT pin and 2000 VDC for all other pins using Human Body Model (HBM) testing ...
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... Note 1: Performance is guaranteed only under the conditions listed in this Table. Note 2: Characterized performance may change if the SKY73112-11 is configured differently than the test conditions specified here. This characterization used a 6.5 MHz fixed comparison frequency for the PLL loop filter. The PLL synthesizer is programmable maximum comparison frequency of 26 MHz but with degraded performance. ...
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... DATA SHEET • SKY73112-11 VCO/SYNTHESIZER Table 12. SKY73112-11 Spur Suppression Measurements (VCC = °C, Charge Pump Current = 600 Offset from Center Frequency (Hz) 200-600 No spur 600-800 No spur >800 (2163.111 kHz, –106 dBc) –60 –70 –80 –90 –100 –110 –120 –130 –140 – ...
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... C ° –40 C 0.8 0.6 0.4 0.2 0 813 828 843 753 Figure 13. Integrated Phase Noise vs Frequency and Supply DATA SHEET • SKY73112-11 VCO/SYNTHESIZER 753 MHz 814 MHz 844 MHz 400 500 S1106 768 783 798 813 828 RF Frequency (MHz) 768 783 798 813 ...
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... DATA SHEET • SKY73112-11 VCO/SYNTHESIZER 500 400 300 200 100 0 753 768 783 798 RF Frequency (MHz) Figure 14. Phase Settling Time vs Frequency and Temperature –85 –87 –89 –91 –93 –95 753 768 783 798 RF Frequency (MHz) Figure 16. Phase Noise @ 10 kHz Offset vs Frequency and Temperature – ...
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... C ° –167 –40 C –171 –175 –179 –183 813 828 843 753 Figure 27. Phase Noise @ 6000 kHz Offset vs Frequency and DATA SHEET • SKY73112-11 VCO/SYNTHESIZER 768 783 798 813 828 RF Frequency (MHz) Supply Voltage 798 768 783 813 828 RF Frequency (MHz) Supply Voltage ...
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... GND 2 GND 3 GND 4 SW_EN 5 GND SKY73112 6 GND 7 GND 8 GND 9 GND 10 RF_OUT × Figure 28. SKY73112-11 Typical Application Schematic GND 28 GND 27 × N/C 26 GND 25 GND 24 GND 23 Frequency FREF Reference 22 LD Lock Detect 21 × N/C 20 GND 18 19 Latch Enable Data ...
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... Top View All measurements are in millimeters Figure 29. PCB Layout Footprint for the SKY73112- MCM Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200736B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 30, 2009 ...
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... Detail B SMT Pad Scale This Rotation Rotated 180 CW CCW 1 1.5 Solder Mask Edges Detail E Scale: 2X Figure 30. SKY73112-11 38-Pin MCM Package Dimensions 38X SMT Pad 0 Pin 38 C Pin 1 Indicator See Detail D Pin Bottom View Metal Pad Edge 0.5 ± 0.1 2X (0.1) 0.65 ± ...
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... Ao and Bo measurement point to be 0.30 mm from bottom pocket 6. All measurements are in millimeters Figure 31. SKY73112-11 Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200736B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 30, 2009 DATA SHEET • ...
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... DATA SHEET • SKY73112-11 VCO/SYNTHESIZER Ordering Information Model Name SKY73112-11 750-850 MHz VCO/Synthesizer Copyright © 2007, 2009 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 ...