514CCC001233AAG Silicon Labs

Si514 2 ANY-FREQUENCY I C PROGRAMMABLE XO (100 kHZ TO 250 MHZ) Features Si5602 Programmable to any frequency On-chip LDO for power supply from 100 kHz to 250 MHz noise filtering 0.026 ppb frequency tuning 3.3, 2.5, or 1.8 V operation resolution Differential (LVPECL, LVDS, Glitch suppression on OE, power HCSL) or CMOS output options on and frequency transitions Optional integrated 1:2 CMOS Low jitter operation fanout buffer Ordering Information: 2- to 4-week lead times Industry standard 5 x 7 and See page 28. 3.2x 5mm packages Total stability includes 10-year o aging 40 to 85 C operation Comprehensive production test coverage includes crystal ESR and Pin Assignments: DLD See page 27. Applications All-digital PLLs Datacom 1 6 V SDA DD DAC+ VCXO replacement Industrial automation SONET/SDH/OTN FPGA/ASIC clock generation SCL 2 5 CLK 3G-SDI/HD-SDI/SDI FPGA synchronization Description GND 3 4 CLK+ 2 The Si514 user-programmable I C XO utilizes Silicon Laboratories advanced PLL technology to provide any frequency from 100 kHz to 250 MHz with programming resolution of 0.026 parts per billion. The Si514 uses a single integrated crystal and Silicon Labs proprietary DSPLL synthesizer to generate any frequency across this 2 range using simple I C commands. Ultra-fine tuning resolution replaces DACs and VCXOs with an all-digital PLL solution that improves performance where synchronization is necessary or in free-running reference clock applications. This solution provides superior supply noise rejection, simplifying low jitter clock generation in noisy environments. Crystal ESR and DLD are individually production-tested to guarantee performance and enhance reliability. The Si514 is factory-configurable for a wide variety of user specifications, including 2 startup frequency, I C address, supply voltage, output format, and stability. Specific configurations are factory-programmed at time of shipment, eliminating long lead times and non-recurring engineering charges associated with custom frequency oscillators. Functional Block Diagram Rev. 1.0 5/12 Copyright 2012 by Silicon Laboratories Si514Si514 2 Rev. 1.0