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MAX3622
Low-Jitter, Precision Clock Generator with Two Outputs

0.14ps Ultra-Low Jitter Clock Generator Eliminates 156.25MHz Crystal Oscillator Module


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Data Sheet
FULL DATA SHEET (PDF, 208kB)
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Description
The MAX3622 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 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 MAX3622 has one LVPECL output and one LVCMOS output. It is available in a 16-pin TSSOP package and operates over the 0°C to +70°C temperature range.

Key Features   Applications/Uses
  • Crystal Oscillator Interface: 25MHz Typical
  • Output Frequencies: 125MHz and 156.25MHz
  • 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

    Key Specifications:   Clock Generators
    Part Number Nominal Input Reference (Crystal or CLK) (kHz) Output Frequencies (MHz) Output Type Number of Outputs Number of PLLs Programmability Output Jitter (ps) Supply Voltage (V) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX3622  25 125
    156.25
    LVCMOS
    LVPECL
    2 1 Divider Ratio 0.14 (RMS) 3.0 to 3.6 Yes TSSOP/16 33 0 to +70 $6.85 @ 1k
    See All Clock Generators (22)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Evaluation Kits
  • MAX3622EVKIT

    Design Guides
  • COMMUNICATIONS (PDF)
  • SYSTEM TIMING & CONTROL (PDF)
  • HIGH-SPEED INTERCONNECT (PDF)

    Reliability Reports
  • Show FIT data for:
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    Software/Models
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    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

    MAX3622 Free
    Sample
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    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3622CUE+  
    TSSOP;16 pin;33 mm²
    Dwg: 21-0066I (PDF)
    Use pkgcode/variation: U16+2*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3622CUE+T  
    TSSOP;16 pin;33 mm²
    Dwg: 21-0066I (PDF)
    Use pkgcode/variation: U16+2*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • New Product Press Release 2008-05-27 

    Related Products
    MAX3624 Low-Jitter, Precision Clock Generator with Four Outputs
    MAX3625 Low-Jitter, Precision Clock Generator with Three Outputs

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    Document Ref.: 19-2456; Rev 0; 2007-12-18
    This page last modified: 2008-02-11



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