General Purpose Voltage Controlled Crystal Oscillators (VCXOs)

Silicon Labs' general purpose voltage-controlled oscillators (VCXOs) offer short lead times, high reliability and excellent jitter performance. Devices in this family are available with single, dual, quad, and I2C-controlled configurations and support a frequency range between 100 kHz to 810 MHz with a typcial phase jitter of 0.7 to 1.0 ps. Taking advantage of patented DSPLL® technology, these devices use one fixed crystal and Silicon Labs’ proprietary DSPLL synthesizer to generate any frequency across this range. This solution also provides superior supply noise rejection, simplifying low jitter clock generation in noisy environments.

Features

  • Wide frequency range: 100 kHz to 810 MHz
  • Superior jitter performance: 0.7 to 1.0 ps RMS Typ
  • Superior initial accuracy
  • Best-in-class control voltage linearity
  • Dual, quad and any frequency configurations available
  • Available with LVPECL, LVDS, CML, HCSL, or LVCMOS outputs
  •  Operates with 1.8, 2.5, or 3.3 V supplies
  • Industry-standard, RoHS-compliant package and pinouts:
    • 5 mm x 7 mm
    • 3.2 mm x 5 mm 
  • Output enabled active high/active low polarity versions available

Getting Started with General Purpose VCXOs

Si5xx-EVB Development Kit

The easiest way to begin development with the general purpose voltage controlled oscillator family is with the Si5xx Single/Dual XO/VCXO Development Kit.

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General Purpose VCXO Product Matrix

Devices
Part Number Customize Data Sheet Development Kit Description Selectable Frequencies Phase Jitter (RMS) (ps) Frequency Range (MHz) Stability (+/- ppm) Output Format(s) Supply Voltage (V) Temperature Range (ºC) Package Size (mm)
Customize Si5xx-EVB Single General Purpose VCXO Single 0.7 10 810 20; 50 CML; CMOS; LVDS; LVPECL 1.8; 2.5; 3.3 -40 85 3.2x5; 5x7
Customize Si5xx-EVB Dual Freq General Purpose VCXO Dual 0.7 10 810 20; 50 CML; CMOS; LVDS; LVPECL 1.8; 2.5; 3.3 -40 85 3.2x5; 5x7
Customize Si5xx5x7-EVB Quad Freq General Purpose VCXO Quad 0.7 10 810 20; 50 CML; CMOS; LVDS; LVPECL 1.8; 2.5; 3.3 -40 85 5x7
Customize Si5xxUC-EVB I2C General Purpose VCXO Any 0.7 10 810 20; 50 CML; CMOS; LVDS; LVPECL 1.8; 2.5; 3.3 -40 85 5x7
Customize Si5xx-EVB Single General Purpose VCXO Single 0.9 0.1 250 20 LVPECL; LVDS; HCSL; CMOS; dual CMOS 2.5; 3.3 -40 85 2.5x3.2; 3.2x5; 5x7
Customize Si5xx-EVB Dual Freq General Purpose VCXO Dual 0.9 0.1 250 20 LVPECL; LVDS; HCSL; CMOS; dual CMOS 2.5; 3.3 -40 85 2.5x3.2; 3.2x5; 5x7
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