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SI5351B-B-GM Scheda tecnica(PDF) 1 Page - Silicon Laboratories |
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SI5351B-B-GM Scheda tecnica(HTML) 1 Page - Silicon Laboratories |
1 / 29 page Rev. 1.0 4/15 Copyright © 2015 by Silicon Laboratories Si5350A-B Si5350A-B F ACTORY-P ROGRAMMABLE A NY-F REQUENCY CMOS C LOCK G ENERATOR Features Applications Description The Si5350A is a highly-flexible, user-definable custom clock generator that is ideally suited for replacing crystals and crystal oscillators in cost-sensitive applications. Based on a PLL + high resolution fractional divider MultiSynthTM architecture, the Si5350A can generate any frequency up to 200 MHz on each of its outputs with 0 ppm error. Spread spectrum is selectable (on/off) on any of the outputs. Custom pin-controlled Si5350A devices can be requested using the ClockBuilder web-based part number utility (www.silabs.com/ClockBuilder). Functional Block Diagram www.silabs.com/custom-timing Generates up to 8 non-integer-related frequencies from 2.5 kHz to 200 MHz Exact frequency synthesis at each output (0 ppm error) Glitchless frequency changes Low output period jitter: < 70 ps pp, typ Configurable Spread Spectrum selectable at each output User-configurable control pins: Output Enable (OEB_0/1/2) Power Down (PDN) Frequency Select (FS_0/1) Spread Spectrum Enable (SSEN) Supports static phase offset Rise/fall time control Operates from a low-cost, fixed frequency crystal: 25 or 27 MHz Separate voltage supply pins provide level translation: Core VDD: 1.8 V, 2.5 V or 3.3 V Output VDDO: 1.8 V, 2.5 V or 3.3 V Excellent PSRR eliminates external power supply filtering Very low power consumption (25 mA core, typ) Available in 2 packages types: 10-MSOP: 3 outputs 20-QFN (4x4 mm): 8 outputs PCIE Gen 1 compatible Supports HCSL jitter compatible swing HDTV, DVD/Blu-ray, set-top box Audio/video equipment, gaming Printers, scanners, projectors Handheld instrumentation Residential gateways Networking/communication Servers, storage XO replacement Control Logic P1 VDDO CLK0 CLK1 CLK2 MultiSynth 0 MultiSynth 1 MultiSynth 2 OSC XA XB PLL A PLL B Si5350A (10-MSOP) P0 CLK0 CLK1 VDDOA CLK2 CLK3 VDDOB CLK4 CLK5 VDDOC CLK6 CLK7 VDDOD MultiSynth 0 MultiSynth 1 MultiSynth 2 MultiSynth 3 MultiSynth 4 MultiSynth 5 MultiSynth 6 MultiSynth 7 Control Logic P3 P4 OSC PLL A PLL B P0 P1 P2 Si5350A (20-QFN) XA XB Ordering Information: See page 17 20-QFN 10-MSOP |
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