MAX4952A
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MAX4952A

Dual Equalized 1.5/3.0/6.0GT/s SAS/SATA Redriver

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Ultra-Small Equalizer/Redriver Supports SAS Data Rates Up to 6.0GT/s (Gigatransfers per Second)

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Part Models 2
1ku List Price Starting From $13.12
Features
  • 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 (typ) Output
  • Selectable Output Preemphasis
    • 0, 3dB
  • Inline Signal Traces for Flowthrough Layout
  • Space-Saving, 3.5mm x 5.5mm TQFN Package
Additional Details
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The MAX4952A dual-channel redriver is designed to redrive one full lane of SAS or SATA signals up to 6.0GT/s (gigatransfers per second) and operates from a single +3.3V supply.

The MAX4952A features independent input equalization and output preemphasis. The MAX4952A 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 MAX4952A is available in a small 28-pin, 3.5mm x 5.5mm 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
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file View Data Sheet (Rev.0)
Documentation View All Documentation
Part Models 2
1ku List Price Starting From $13.12
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MAX4952A

Documentation

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Data Sheet

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UPDATED 07/07/2009
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MAX4952A: Dual Equalized 1.5/3.0/6.0GT/s SAS/SATA Redriver Data Sheet (Rev.0)

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UPDATED 11/05/2009
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MAX4952A: イコライザ機能付きの1.5/3.0/6.0GT/s SAS/SATAデュアルリドライバ Data Sheet (Rev.0)

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Reliability Data

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UPDATED 01/12/2023
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MAX4952A Reliability Data redirect icon

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Documentation

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. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX4952ACTI+ 28-LFCSP-3.5X5.5X0.75 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
MAX4952ACTI+T 28-LFCSP-3.5X5.5X0.75 external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

Software & Part Ecosystem

Evaluation Kits 1

MAX4952AEVKIT

Evaluation Kit for the MAX4952A

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MAX4952AEVKIT

Evaluation Kit for the MAX4952A

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MAX4952AEVKIT
Evaluation Kit for the MAX4952A

Features and Benefits

  • Application Circuit with SAS and SATA Input/Output
  • Eye Diagram Test Circuit with SMA Inputs/Outputs
  • Calibration Traces (50Ω Single-Ended Load Trace and 50Ω Single-Ended Through Trace)
  • Lead(Pb)-Free and RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested
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Product Detail

The MAX4952A evaluation kit (EV kit) provides a proven design to evaluate the MAX4952A dual-channel buffer. The EV kit contains four sections: an application circuit, characterization circuit, and two calibration traces.

The application circuit (Figure 1a) is designed to demonstrate the MAX4952A IC's use in redriving Serial-Attached SCSI (SAS) and Serial ATA (SATA) signals. This section of the EV kit operates from an external +5V supply that is regulated by an on-board LDO to +3.3V, which powers the MAX4952A (U1) device. All traces in the application circuit are 100Ω differential controlled-impedance traces.

The characterization circuit (Figure 1b) is provided for eye diagram evaluation using SMA connectors and 50Ω single-ended controlled-impedance traces. This section is powered by an external +3.3V supply.

Applications

  • Data Storage/Work Stations
  • Docking Stations
  • Servers

Evaluation Kits1

MAX4952AEVKIT

Evaluation Kit for the MAX4952A

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