Overview

Features and Benefits

  • Single +3.3V Supply Operation
  • SAS Gen I/II Up to 6.0GT/s
  • Excellent Return Loss
    • 8dB at 3.0GT/s
  • Supports SAS/SATA OOB (Out-of-Band) Signaling Very Fast Entry and Exit Time
    • 5ns (typ)
  • Internal Input/Output 50Ω Termination Resistors
  • Selectable Input Equalization
    • 0, 3dB
  • Standard 1000mVP-P Selectable (typ) Output
  • Selectable Preemphasis
    • 0, 3dB
  • Inline Signal Traces for Flowthrough Layout
  • Space-Saving Package: 3.5mm x 9mm TQFN

Product Details

The MAX4952 quad-channel redriver is designed to redrive two full lanes of SAS or SATA signals up to 6.0GT/s (gigatransfers per second) and operates from a single +3.3V supply.

The MAX4952 features independent input equalization and output preemphasis. The MAX4952 enhances signal integrity at the receiver by equalizing the signal at the input and establishing preemphasis at the output of the device. SAS and SATA OOB (Out-of-Band) signaling is supported using high-speed amplitude detection on the inputs and squelch on the corresponding outputs. Inputs and outputs are all internally 50Ω terminated and must be AC-coupled to the SAS/SATA controller IC and SAS/SATA device.

The MAX4952 is available in a small 42-pin, 3.5mm x 9mm TQFN package with flowthrough traces for ease of layout. This device is specified over the 0°C to +70°C operating temperature range.

Applications

  • Data Storage/Work Stations
  • Docking Stations
  • Servers

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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