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Si5351

Skyworks

ANY-FREQUENCY CMOS CLOCK-GENERATOR+VCXO

Si5351A/B/C-B I2C-PROGRAMMABLE ANY-FREQUENCY CMOS CLOCK GENERATOR + VCXO Features  https://www.skyworksinc.com/Produ...


Si5351

Skyworks


Octopart Stock #: O-1496763

Findchips Stock #: 1496763-F

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Description
Si5351A/B/C-B I2C-PROGRAMMABLE ANY-FREQUENCY CMOS CLOCK GENERATOR + VCXO Features  https://www.skyworksinc.com/Products/Timi Glitchless frequency changes ng/CMOS-Clock-Generators  Generates up to eight non-integer- related frequencies from 2.5 kHz to 200 MHz  I2C user definable configuration  Separate voltage supply pins provide level tra
More View nslation:  Core VDD: 2.5 or 3.3 V  Output VDDO: 1.8, 2.5, or 3.3 V  Excellent PSRR eliminates external  Exact frequency synthesis at each power supply filtering output (0 ppm error)  Very low power consumption  Highly linear VCXO  Adjustable output delay  Optional clock input (CLKIN)  Available in three packages types:  Low output period jitter: < 70 ps pp, typ  Configurable spread spectrum selectable at each output  Operates from a low-cost, fixed frequency crystal: 25 or 27 MHz  10-MSOP: 3 outputs  16-QFN (3x3 mm): 4 outputs  20-QFN (4x4 mm): 8 outputs  PCIE Gen 1 compatible  Supports HCSL compatible swing  Supports static phase offset  Programmable rise/fall time control Applications  Audio/video equipment, gaming  Printers, scanners, projectors  Handheld Instrumentation  Laser range finder  Residential gateways  Networking/communication  Servers, storage  XO replacement Description The Si5351 is an I2C configurable clock generator that is ideally suited for replacing crystals, crystal oscillators, VCXOs, phase-locked loops (PLLs), and fanout buffers in cost-sensitive applications. Based on a PLL/VCXO + high resolution MultiSynth fractional divider architecture, the Si5351 can generate any frequency up to 200 MHz on each of its outputs with 0 ppm error. Three versions of the Si5351 are available to meet a wide variety of applications. The Si5351A generates up to 8 free-running clocks using an internal oscillator for replacing crystals and crystal oscillators. The Si5351B adds an internal VCXO and provides the flexibility to replace both free-running clocks and synchronous clocks. It eliminates the need for higher cost, custom pullable crystals while providing reliable operation over a wide tuning range. The Si5351C offers the same flexibility but synchronizes to an external reference clock (CLKIN). 10-MSOP 16-QFN 20-QFN Ordering Information: See page 34 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com Rev. 1.3 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 27, 2021 Si5351A/B/C-B Functional Block Diagrams Si5351A (20-QFN) XA PLL OSC A XB PLL B A0 SDA SCL OEB SSEN I2C Control Logic MultiSynth 0 R0 MultiSynth 1 R1 MultiSynth 2 R2 MultiSynth 3 R3 MultiSynth 4 R4 MultiSynth 5 R5 MultiSynth 6 R6 MultiSynth 7 R7 Si5351B (20-QFN) XA OSC PLL XB VCXO VC S






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