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Si545

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The Si545 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. The device has a less than 1 ppb resolution and has excellent power supply noise rejection due to on-chip power supply filtering. The XO has a phase jitter of only 80 fs (femtoseconds) for optical networking, 100G+ optical modules, broadband, data center, broadcast video, test and measurement, mil/aero and FPGA applications. It is available in a small, industry-standard 3.2 x 5 mm package. Specific configurations are factory-programmed at time of shipment, eliminating the long lead times associated with custom oscillators. Silicon Labs ships custom frequency samples 1-2 weeks after receipt of order.

Product Specifications

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Product Details

  • Part Number
    Si545
  • Manufacturer
    Silicon Labs
  • Description
    Ultra Low Jitter Any-Frequency XO from 0.2 to 1500 MHz

General Parameters

  • Application - Standards
    Test & Measurement
  • Output Waveform
    LVPECL, LVDS, CMOS, CML, HCSL, Dual CMOS
  • Applications
    Test & Measurement, Clock and data recovery, FPGA/ASIC clocking, Datacenter, 3G-SDI/12G-SDI/24G-SDI broadcast video, 100G/200G/400G OTN, coherent optics, 10G/40G/100G optical ethernet
  • RoHS
    Yes
  • Dimension
    3.2×5 mm
  • Frequency
    0.2 to 1500 MHz
  • Supply Voltage
    -0.5 to 3.8 V
  • Temperature Stability
    -20 to 20 ppm
  • Package
    6-pin CLCC
  • Package Type
    Surface Mount
  • Current
    73 to 123 mA
  • Duty Cycle
    45 to 55 %
  • Fall Time
    350 to 1500 ps
  • Jitter
    80 to 94 fs
  • Operating Temperature
    -40 to 85 Degree C
  • Phase Noise
    -161 to -92 dBc/Hz
  • Phase Noise 1 kHz
    -133 to -119 dBc/Hz
  • Phase Noise 1 MHz
    -125 to -139 dBc/Hz
  • Phase Noise 10 kHz
    -140 to -127 dBc/Hz
  • Phase Noise 100 kHz
    -145 to -132 dBc/Hz
  • Rise Time
    350 to 1500 ps
  • Storage Temperature
    -55 to 125 Degree C

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