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Hojas de datosDatasheet Si5351 (Skyworks)

Datasheet Si5351 (Skyworks) - 6

FabricanteSkyworks
DescripciónI2C-Programmable Any-Frequency CMOS Clock Generator + VCXO
Páginas / Página48 / 6 — Si5351A/B/C-B TABLE OF CONTENTS. Section. Page. 1. Ordering Guide . .4. …
Formato / tamaño de archivoPDF / 1.5 Mb
Idioma del documentoInglés

Si5351A/B/C-B TABLE OF CONTENTS. Section. Page. 1. Ordering Guide . .4. 2. Technical Support Resources . .5

Si5351A/B/C-B TABLE OF CONTENTS Section Page 1 Ordering Guide .4 2 Technical Support Resources .5

Línea de modelo para esta hoja de datos

Si5351

Versión de texto del documento

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Si5351A/B/C-B TABLE OF CONTENTS Section Page 1. Ordering Guide . .4 2. Technical Support Resources . .5 3. Electrical Specifications . .8 4. Functional Description . .14
4.1. Input Stage . .15 4.2. Synthesis Stages . .16 4.3. Output Stage . .17 4.4. Spread Spectrum . .17 4.5. Control Pins (OEB, SSEN) . .17 4.6. Status Pins (INTR) . .17
5. I 2C Interface . .18 6. Configuring the Si5351 . .20
6.1. Writing a Custom Configuration to RAM . .20 6.2. Si5351 Application Examples . .22 6.3. Replacing Crystals and Crystal Oscillators . .22 6.4. Replacing Crystals, Crystal Oscillators, and VCXOs . .22 6.5. Replacing Crystals, Crystal Oscillators, and PLLs . .23 6.6. Applying a Reference Clock at XTAL Input . .23 6.7. HCSL Compatible Outputs . .24
7. Design Considerations . .25
7.1. Power Supply Decoupling/Filtering . .25 7.2. Power Supply Sequencing . .25 7.3. External Crystal . .25 7.4. External Crystal Load Capacitors . .25 7.5. Unused Pins . .25 7.6. Trace Characteristics . .25
8. Register Map Summary . .26 9. Register Descriptions . .26 10. Si5351 Pin Descriptions . .27
10.1. Si5351A 20-pin QFN . .27 10.2. Si5351B 20-Pin QFN . .28 10.3. Si5351C 20-Pin QFN . .29 10.4. Si5351A 16-Pin QFN . .30 10.5. Si5351B 16-Pin QFN . .31 10.6. Si5351C 16-Pin QFN . .32 10.7. Si5351A 10-Pin MSOP . .33
11. Ordering Information . .34 12. Packaging . .35
12.1. 20-pin QFN Package Outline . .35 12.2. Land Pattern: 20-Pin QFN . .36 12.3. 16-Pin QFN Package Outline . .37 12.4. Land Pattern: 16-Pin QFN . .39 6 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 27, 2021 Document Outline 1. Ordering Guide 2. Technical Support Resources 3. Electrical Specifications 4. Functional Description 4.1. Input Stage 4.1.1. Crystal Inputs (XA, XB) 4.1.2. External Clock Input (CLKIN) 4.1.3. Voltage Control Input (VC) 4.2. Synthesis Stages 4.3. Output Stage 4.4. Spread Spectrum 4.5. Control Pins (OEB, SSEN) 4.5.1. Output Enable (OEB) 4.5.2. Spread Spectrum Enable (SSEN)—Si5351A and Si5351B Only 4.6. Status Pins (INTR) 5. I2C Interface 6. Configuring the Si5351 6.1. Writing a Custom Configuration to RAM 6.2. Si5351 Application Examples 6.3. Replacing Crystals and Crystal Oscillators 6.4. Replacing Crystals, Crystal Oscillators, and VCXOs 6.5. Replacing Crystals, Crystal Oscillators, and PLLs 6.6. Applying a Reference Clock at XTAL Input 6.7. HCSL Compatible Outputs 7. Design Considerations 7.1. Power Supply Decoupling/Filtering 7.2. Power Supply Sequencing 7.3. External Crystal 7.4. External Crystal Load Capacitors 7.5. Unused Pins 7.6. Trace Characteristics 8. Register Map Summary 9. Register Descriptions 10. Si5351 Pin Descriptions 10.1. Si5351A 20-pin QFN 10.2. Si5351B 20-Pin QFN 10.3. Si5351C 20-Pin QFN 10.4. Si5351A 16-Pin QFN 10.5. Si5351B 16-Pin QFN 10.6. Si5351C 16-Pin QFN 10.7. Si5351A 10-Pin MSOP 11. Ordering Information 12. Packaging 12.1. 20-pin QFN Package Outline 12.2. Land Pattern: 20-Pin QFN 12.3. 16-Pin QFN Package Outline 12.4. Land Pattern: 16-Pin QFN 12.5. 10-Pin MSOP Package Outline 12.6. Land Pattern: 10-Pin MSOP 13. Top Marking 13.1. 20-Pin QFN Top Marking 13.2. Top Marking Explanation 13.3. 16-Pin QFN Top Marking 13.4. Top Marking Explanation 13.5. 10-Pin MSOP Top Marking 13.6. Top Marking Explanation Revision History