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Maxim > Products > [Optoelectronics] 
MAX3800
3.2Gbps Adaptive Equalizer and Cable Driver

Industry's First 3.2Gbps Adaptive Cable Equalizer/Driver


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 764kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX3800 is a +3.3V adaptive cable equalizer and cable driver implemented together on a single chip. It is designed for coaxial and twin-axial cable point-to-point communications applications. The driver features differential current-mode logic (CML) inputs and outputs as well as adjustable output amplitude. The equalizer includes differential CML data inputs and outputs, a loss-of-signal (active-low LOS) output, and a cable integrity monitor (CIM) output.

The adaptive cable equalizer is capable of equalizing differential or single-ended signals at data rates up to 3.2Gbps. It automatically adjusts to attenuation caused by skin-effect losses of up to 30dB at 1.6GHz. The equalizer effectively extends the usable length of copper cable in high-frequency interconnect applications.

The MAX3800 is available in a 32-pin TQFP package with exposed pad and consumes only 200mW at +3.3V. The driver can be disconnected from the power supply when it is not needed, resulting in a 40% reduction in supply current.

An evaluation kit is available:  MAX3800EVKIT  

Key Features   Applications/Uses
  • Single +3.3V Operation
  • Typical Power Dissipation = 200mW at +3.3V
  • Data Rates Up to 3.2Gbps
  • Adjustable Cable Driver Output Amplitude
  • Equalizer Automatically Adjusts for Different Cable Lengths
  • 0dB to 30dB Equalization at 1.6GHz (3.2Gbps)
  • Loss-of-Signal (active-low LOS) Indicator
  • Cable Integrity Monitor (CIM)
  • On-Chip Input and Output Terminations
  • Low External Component Count
  • Operating Temperature Range = 0°C to +85°C
  • ESD Protection on Cable Inputs and Outputs

 
  		• Backplane and Interconnect Applications
  		• High-Speed Links in Communications and Data Systems
  		• SDH/SONET Transmission Equipment

    Key Specifications:  Equalizers (Cable and Circuit Board)
    Part Number Data Rate
    (Mbps)    		 Data Rate
    (Mbps)    		 Max. Reach @ Max. Data Rate VSUPPLY
    (V)    		 I/O Type Channels Rx Eq. @ Max. Rate
    (dB)    		 Package/Pins Smallest Available Pckg.
    (mm2)    		 Oper. Temp.
    (°C)    		 Price
    min max typ max w/pins See Notes
    MAX3800  622 3200 30m Cable 3.3 CML 1 30
    QFN/32
    TQFN/32
    TQFP-EP/32
    		 26 0 to +85 $6.70 @1k
    See All Equalizers (Cable and Circuit Board) (18)

    Diagram
    MAX3800: Typical Application Circuit
    Typical Application Circuit

    Application Notes
  		• Application Note 625: MAX3800: Equalizing Gigabit Copper Cable Links with the MAX3800 - MAX3800
  		• Application Note 996: HFAN-06.0.1: Equalizing Gigabit-per-Second Signals on Copper Media - MAX3800
  		• Application Note 3353: HFAN-04.5.4: 'Jitter Happens' when a Twisted Pair is Unbalanced - MAX3800
  		• Application Note 3455: HFTA-11.0: Spectral Content of NRZ Test Patterns - MAX3800
  		• Application Note 3834: HFTA-13.0: Designing External Cabling for Low EMI Radiation - MAX3800

    Evaluation Kits
  		• MAX3800EVKIT

    Design Guides
  		• Fiber (PDF)

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

    Software/Models
  		• MAX3800UGJ IBIS Model
  		• MAX3800UGJ SPICE Input/Output Model

    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: 1-11 of 11

    MAX3800 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3800UGJEVKIT    
    		Active

    Land Pattern: Not Available

    		See data sheet
    MAX3800UGJ  
    		Active QFN;32 pin;26 mm²
    Outline Drawing: 21-0091 (PDF)
    Land Pattern: 90-0279 (PDF)
    Use pkgcode/variation: G3255-1*
    		0°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3800UGJ-T    
    		Active QFN;32 pin;26 mm²
    Outline Drawing: 21-0091 (PDF)
    Land Pattern: 90-0279 (PDF)
    Use pkgcode/variation: G3255-1*
    		0°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3800UTJ+  
    		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
    MAX3800UTJ+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
    MAX3800UHJ-G002    
    		Active

    Land Pattern: Not Available

    		0°C to +85°C See data sheet
    MAX3800UHJ-TG002    
    		Active

    Land Pattern: Not Available

    		0°C to +85°C See data sheet
    MAX3800UHJ  
    		Active TQFP-EP;32 pin;52 mm²
    Outline Drawing: 21-0079 (PDF)
    Land Pattern: 90-0325 (PDF)
    Use pkgcode/variation: H32E-5*
    		0°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3800UHJ-T    
    		Active

    Land Pattern: Not Available

    		0°C to +85°C See data sheet
    MAX3800UHJ+  
    		Active TQFP-EP;32 pin;52 mm²
    Outline Drawing: 21-0079 (PDF)
    Land Pattern: 90-0325 (PDF)
    Use pkgcode/variation: H32E+5*
    		0°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3800UHJ+T    
    		Active TQFP-EP;32 pin;52 mm²
    Outline Drawing: 21-0079 (PDF)
    Land Pattern: 90-0325 (PDF)
    Use pkgcode/variation: H32E+5*
    		0°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  		• New Product Press Release 2001-01-30 

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    Document Ref.: 19-1953; Rev 3; 2005-12-01
    This page last modified: 2007-06-14


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