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Si549

XO by Silicon Labs (20 more products)

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The Si549 from Silicon Labs is a crystal oscillator that provides an ultra-low jitter, low phase noise clock at an output frequency from 0.2 to 1500 MHz. This crystal oscillator is user-programmable via simple I2C commands and has less than 1 ppb resolution with excellent power supply noise rejection due to on-chip power supply filtering. The XO has a phase jitter of only 95 fs (femtoseconds) for optical networking, 100G+ optical modules, coherent optics, broadband, data center, broadcast video, test and measurement and FPGA/ASIC clocking applications. It is available in a small, industry-standard 3.2 x 5 mm package.

Specific configurations are factory-programmed at the time of shipment, eliminating the long lead times associated with custom oscillators. Silicon Labs ships custom frequency samples 1-2 weeks after receipt of an order.

Product Specifications

    Product Details

    • Part Number :
      Si549
    • Manufacturer :
      Silicon Labs
    • Description :
      Ultra Low Jitter I2C Programmable XO from 0.2 to 1500 MHz

    General Parameters

    • Output Waveform :
      LVPECL, LVDS, CML, HCSL, CMOS, Dual CMOS
    • Applications :
      100G/200G/400G OTN, 3G-SDI/12G-SDI/24G-SDI broadcast video, 10G/40G/100G optical ethernet, Test & Measurement, FPGA/ASIC clocking
    • RoHS :
      Yes
    • Dimension :
      5 × 7 mm, 3.2 × 5 mm
    • Frequency :
      0.2 to 1500 MHz
    • Supply Voltage :
      1.8 to 3.3 V
    • Temperature Stability :
      +/- 20 ppm
    • Package :
      8-pin CLCC
    • Package Type :
      Surface Mount
    • Current :
      73 to 153 mA
    • Duty Cycle :
      45 to 55 %
    • Fall Time :
      0.5 to 1.5 ps
    • Jitter :
      95 to 200 fs
    • Operating Temperature :
      -40 to 85 Degree C
    • Phase Noise :
      -161 to -92 dBc/Hz
    • Phase Noise 1 kHz :
      -130 to -117 dBc/Hz
    • Phase Noise 1 MHz :
      -149 to -130 dBC/Hz
    • Phase Noise 10 kHz :
      -137 to -126 dBc/Hz
    • Phase Noise 100 kHz :
      -143 to -130 dBc/Hz
    • Rise Time :
      0.5 to 1.5 ps
    • Storage Temperature :
      -55 to 125 Degree C

    Technical Documents

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