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MAX3800
3.2Gbps自适应均衡器及电缆驱动器

业内首款3.2Gbps自适应电缆均衡器/驱动器


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状况:生产中。

概述
完整的数据资料 (PDF, 764kB)
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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.

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关键特性   应用/使用
  • 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

 
  • 背板与互连应用
  • 通信与数据系统中的高速链接
  • SDH/SONET传输设备

    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
    查看所有Equalizers (Cable and Circuit Board) (18)

    图表
    MAX3800:典型应用电路
    典型应用电路

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    参考文献: 19-1953; Rev. 3; 2005-12-01
    本页最后一次更新: 2007-06-14


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