MAX3802

3.2Gbps Quad Adaptive Cable Equalizer with Cable Driver

Quad 3.2Gbps Adaptive Equalizer Extends Reach


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Description

The MAX3802 has four independent adaptive cable equalizers and cable drivers on a single chip. It is designed for coaxial and twin-axial cable point-to-point scrambled-data communication applications. The driver features differential current-mode logic (CML) inputs and outputs. The equalizer includes differential CML data inputs and outputs and a TTL loss-of-signal (active-low LOS) output.

The adaptive cable equalizer can equalize differential or single-ended signals at data rates up to 3.2Gbps. It automatically adjusts to attenuation caused by skin-effect losses of 30dB at 1.6GHz. The equalizer effectively extends the usable length of copper cable in high-frequency interconnect applications.
MAX3802: Typical Application Circuit MAX3802: Typical Application Circuit Enlarge+

Key Features

  • Single 3.3V Operation
  • Four Independent Equalizers and Drivers
  • 725mW at 3.3V Typical Power Dissipation
  • Data Rates Up to 3.2Gbps
  • Equalizer Automatically Adjusts for Different Cable Lengths
  • 0 to 30dB Equalization at 1.6GHz (3.2Gbps)
  • Loss-of-Signal (active-low LOS) Indicator
  • On-Chip Input and Output Terminations
  • Low External Component Count
  • 0°C to +85°C Operating Temperature Range
  • ESD Protection on Cable Inputs and Outputs

Applications/Uses

  • Backplane and Twin-Axial Cable Interconnects
  • Category 5 UTP-Based Systems
  • High-Speed Links in Communications and Data Systems

MAX3802EVKIT: Evaluation Kit for the MAX3802

Technical Documents

App Note 3455 HFTA-11.0: Spectral Content of NRZ Test Patterns
App Note 996 HFAN-06.0.1: Equalizing Gigabit-per-Second Signals on Copper Media

Quality and Environmental Data

Product Reliability Reports: MAX3802.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

Tools & Models

  • MAX3802UGK IBIS Model
  • CAD Symbols and Footprints

  • MAX3802UGK-D
  • MAX3802UGK-TD
  • MAX3802UTK+D
  • MAX3802UTK+TD
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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