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MAX3624
Low-Jitter, Precision Clock Generator with Four Outputs

0.36ps Jitter and Excellent Power-Supply Noise Rejection


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 428kB)
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Description
The MAX3624 is a low-jitter precision clock generator optimized for networking applications. The device integrates a crystal oscillator and a phase-locked loop (PLL) clock multiplier to generate high-frequency clock outputs for Ethernet, Fibre Channel, SONET/SDH, and other networking applications.

Maxim's proprietary PLL design features ultra-low jitter (0.36psRMS) and excellent power-supply noise rejection, minimizing design risk for network equipment.

The MAX3624 has three LVPECL outputs and one LVCMOS output. Selectable output dividers and a selectable feedback divider allow a range of output frequencies.

An evaluation kit is available:  MAX3624EVKIT  

Key Features   Applications/Uses
  • Crystal Oscillator Interface: 19.375MHz to 27MHz
  • CMOS Input: 19MHz to 40.5MHz
  • Output Frequencies
    • Ethernet: 62.5MHz, 125MHz, 156.25MHz, 312.5MHz
    • Fibre Channel: 106.25MHz, 159.375MHz, 212.5MHz, 318.5MHz
    • SONET/SDH: 77.76MHz, 155.52MHz, 311.04MHz
  • Low Jitter
    • 0.14psRMS (1.875MHz to 20MHz)
    • 0.36psRMS (12kHz to 20MHz)
  • Excellent Power-Supply Noise Rejection
  • No External Loop Filter Capacitor Required

 
  • Ethernet Networking Equipment
  • Fibre Channel Storage Area Network
  • SONET/SDH Network

    Diagram
    MAX3624: Block Diagram
    Block Diagram

    Application Notes
  • Application Note 4457: Assess Power-Supply Noise Rejection in Low-Jitter PLL Clock Generators - MAX3624
  • Application Note 4461: HFAN-04.5.5 Characterizing Power-Supply Noise Rejection in PLL Clock Synthesizers - MAX3624

    Evaluation Kits
  • MAX3624EVKIT

    Design Guides
  • System Timing & Control (PDF)

    Reliability Reports
  • Show FIT data for:
  • Request Reliability Report for:

    Software/Models
  • MAX3624 PCB Layout Files

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-2 of 2

    MAX3624 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3624UTJ+  
    Active TQFN;32 pin;26 mm²
    Outline Drawing: 21-0140 (PDF)
    Land Pattern: 90-0001 (PDF)
    Use pkgcode/variation: T3255+3*
    0°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3624UTJ+T    
    Active TQFN;32 pin;26 mm²
    Outline Drawing: 21-0140 (PDF)
    Land Pattern: 90-0001 (PDF)
    Use pkgcode/variation: T3255+3*
    0°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • New Product Press Release 2008-01-14 
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    Document Ref.: 19-0977; Rev 01; 2007-11-29
    This page last modified: 2009-08-31


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