Diff/SE; Single Frequency VCXO; 0

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Short Lead Time
Unit Price:$6.38
Minumum Qty: 1
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The Si515 VCXO utilizes Silicon Laboratories' advanced PLL technology to provide any frequency from 100 kHz to 250 MHz. Unlike a traditional VCXO where a different crystal is required for each output frequency, the Si515 uses one fixed crystal and Silicon Labs’ proprietary synthesizer to generate any frequency across this range. This IC-based approach allows the crystal resonator to provide enhanced reliability, improved mechanical robustness, and excellent stability. In addition, this solution provides superior control voltage linearity and supply noise rejection, improving PLL stability and simplifying low jitter PLL design in noisy environments. The Si515 is factory-configurable for a wide variety of user specifications, including frequency, supply voltage, output format, tuning slope 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.

• Low Jitter PLLs
• xDSL
• Broadcast video
• Telecom
• Switches/routers
• FPGA/ASIC clock generation

Symmetry Electronics is an authorized Silicon Labs distributor.


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Supports any frequency from 100 kHz to 250 MHz
Low-jitter operation
Short lead times: <2 weeks
AT-cut fundamental mode crystal ensures high reliability/low aging
High power supply noise rejection
1% control voltage linearity
Available CMOS, LVPECL, LVDS, and HCSL outputs
Optional integrated 1:2 CMOS fanout buffer
3.3 and 2.5 V supply options
Industry-standard 5x7, 3.2x5, and 2.5x3.2 mm packages
Selectable Kv (60, 90, 120, 150 ppm/V)

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Diff/SE; Single Frequency VCXO; 0
Part #: 515BAA000108BAG
Diff/SE; Single Frequency VCXO; 0