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MAX3558
Quad-Output LNA with AGC for Cable TV Applications


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Data Sheet
FULL DATA SHEET (PDF, 232kB)
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Description
The MAX3558 broadband quad-output low-noise amplifier (LNA) is designed for digital set tops and digital terrestrial applications. The LNA covers a 50MHz to 878MHz input frequency range, while integrating a separate automatic gain-control (AGC) function with over 30dB of control range for each of four balanced outputs. Each output has its own shutdown control to reduce power consumption when not used. The MAX3558 also includes a power detector that can be used to close the loop on any of the AGCs to prevent overload conditions. The LNA's attack point is adjustable with an external resistor. The MAX3558 is available in a very small 28-pin QFN package with exposed paddle (EP).

Key Features   Applications/Uses
  • Quad Outputs with Independent AGCs and Shutdown
  • 50MHz to 878MHz Broadband Operation
  • Integrated Power Detector
  • High Linearity: 15.6dBm IIP3

 
  • Digital Set-Top Boxes
  • Digital Terrestrial Receivers
  • Tuner Preamps

    Key Specifications:   CATV and Upstream Amplifiers
    Part Number Gain (dB) Features RoHS Available Package
    MAX3558  30
    50MHz to 878MHz Broadband Operation
    Integrated Power Detector
    Yes THIN QFN/28
    THIN QFN/32
    See All CATV and Upstream Amplifiers (10)

    Application Notes
  • Application Note 3250: Characterizing the S-Parameters of 75Ω Circuits using 50Ω Lab Equipment - MAX3558

    Evaluation Kits
  • MAX3558EVKIT

    Design Guides
  • WIRELESS (PDF)
  • FIBER (PDF)

    Reliability Reports
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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

    MAX3558 Free
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    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3558CTI+  
    THIN QFN;28 pin;
    Dwg: 21-0140L (PDF)
    Use pkgcode/variation: T2855+3*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3558CTI+T  
    THIN QFN;28 pin;
    Dwg: 21-0140L (PDF)
    Use pkgcode/variation: T2855+3*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
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    Related Products
    MAX3524 Low-Noise, High-Linearity Broadband Amplifier
    MAX2130 Broadband, Two-Output, Low-Noise Amplifier for TV Tuner Applications
    MAX3507 Upstream CATV Amplifier
    MAX3503 Upstream CATV Amplifier
    MAX3514, MAX3516, MAX3517 Upstream CATV Amplifiers

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    Document Ref.: 19-3025; Rev 1; 2006-06-20
    This page last modified: 2007-08-23



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