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MAX3629 - Precision Clock Generator

General Description

The MAX3629 is a low-jitter precision clock generator optimized for network applications.

The device integrates a crystal oscillator and a phase-locked loop (PLL) to generate high-frequency clock outputs for Ethernet applications.

Key Features

  • ultra-low jitter (0.4psRMS) and excellent power-supply noise rejection (PSNR), minimizing design risk for network equipment. The MAX3629 contains five LVDS outputs and three LVCMOS outputs. The output frequencies are selectable among 125MHz, 156.25MHz, and 312.5MHz by pin control.
  • Crystal Oscillator Interface: 25MHz.
  • OSC_IN Interface: PLL Enabled: 25MHz PLL Disabled: 20MHz to 320MHz.
  • Outputs: One LVDS Output at 125MHz/156.25MHz/ 312.5MHz (Selectable with FSELA) Four L.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-4467; Rev 0; 2/09 www.DataSheet4U.com +3.3V, Low-Jitter, Precision Clock Generator with Multiple Outputs General Description The MAX3629 is a low-jitter precision clock generator optimized for network applications. The device integrates a crystal oscillator and a phase-locked loop (PLL) to generate high-frequency clock outputs for Ethernet applications. Maxim’s proprietary PLL design features ultra-low jitter (0.4psRMS) and excellent power-supply noise rejection (PSNR), minimizing design risk for network equipment. The MAX3629 contains five LVDS outputs and three LVCMOS outputs. The output frequencies are selectable among 125MHz, 156.25MHz, and 312.5MHz by pin control.