SKY73112 Skyworks Solutions, SKY73112 Datasheet
SKY73112
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SKY73112 Summary of contents
Page 1
... Reference clock generators with an output frequency MHz can be used with the SKY73112. The input clock frequency is divided down by programmable dividers ( for the synthesizer. The phase detector can operate at a maximum speed of 26 MHz, which allows better phase noise due to the lower division value ...
Page 2
... PRELIMINARY DATA SHEET • SKY73112 VCO/SYNTHESIZER www.DataSheet4U.com Lr Vtune Lr cap [6:0] Flag FREF 7 LD Table 1. SKY73112 Signal Descriptions Pin # Name 1 GND Ground 2 GND Ground 3 GND Ground 4 SW_EN Synthesizer RF output switch enable 5 GND Ground 6 GND Ground 7 GND Ground 8 GND Ground 9 GND Ground 10 RF_OUT Synthesizer output ...
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... CLK LE Figure 3. SKY73112 Serial Data Input Timing Diagram (MSB First) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200736A • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • July 9, 2007 PRELIMINARY DATA SHEET • ...
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... PRELIMINARY DATA SHEET • SKY73112 VCO/SYNTHESIZER Table 2. CLK, DATA, LE Preset Timing Parameters www.DataSheet4U.com Parameter Input high voltage ( Input low voltage ( Input current (l ) DIG Clock frequency Clock high (t ) CKH Clock low (t ) CKL Data set DSU Data hold (t ) DHD Clock to latch enable (t ...
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... Synthesizer Output Switch www.DataSheet4U.com An on-chip switch is integrated into the SKY73112 RF output after the balun and is controlled by the SW_EN signal (pin 4) as indicated below: SW_EN Input High Low The switch provides >50 dB isolation at the synthesizer RF output. This allows the SKY73112 to be used for GSM applications ...
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... The SKY73112 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 ...
Page 7
... The ground pad of the SKY73112 provides critical electrical www.DataSheet4U.com grounding requirements. Design the connection to the ground pad to provide the best electrical connection to the circuit board. Multiple vias to the grounding layer are recommended to connect the top layer ground area to the main ground layer. ...
Page 8
... Current consumption Note 1: Characterized performance may change if the SKY73112 is configured differently than the test conditions specified here. This characterization used a 6.5 MHz fixed comparison frequency for the PLL phase loop filter. The PLL synthesizer is programmable maximum comparison frequency of 26 MHz but with degraded performance. ...
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... PRELIMINARY DATA SHEET • SKY73112 VCO/SYNTHESIZER 1 10 100 Offset Frequency (kHz) Figure 5. Single Sideband Phase Noise Measurements 200 300 Time (µsec) Figure 6. SKY73112 Settling Time Measurements 753 MHz 814 MHz 844 MHz 1000 10000 S1105 753 MHz 814 MHz 844 MHz ...
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... PRELIMINARY DATA SHEET • SKY73112 VCO/SYNTHESIZER +5 V www.DataSheet4U.com From Regulator + μ Output Switch Control RF Output (50 Ω Controlled Impedance Line) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 10 July 9, 2007 • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • 200736A × ...
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... Side View 0.65 ± 0.1 2X (0.1) Metal Pad Edge 0.5 ± 0.1 Metal Pad Edge Detail B 3.375 3.375 0.2 x 0.2 2.375 Solder Mask Edges Detail E Figure 8. SKY73112 38-Pin MCM Package Dimensions 38X SMT Pad 0 Pin 38 Pin 1 Indicator See Detail D Pin Solder Mask Openings 0 Bottom View Metal Pad Edge 0.5 ± ...
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... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 12 July 9, 2007 • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • 200736A ∅ 1.55 ± 0.05 12. 9.35 A Figure 9. SKY73112 Tape and Reel Dimensions 2.00 ± 0.05 4.00 1.75 ± 0.10 ∅ 1.50 Min. S961 ...
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... Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200736A • Skyworks Proprietary and Confidential Information • Products and Product Information are Subject to Change Without Notice • July 9, 2007 PRELIMINARY DATA SHEET • SKY73112 VCO/SYNTHESIZER Manufacturing Part Number ...