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MAX4952
Quad Equalized 1.5/3.0/6.0GT/s SAS/SATA Redriver
Ultra-Small Equalizer/Redriver Supports SAS Data Rates Up to 6.0GT/s (Gigatransfers per Second)
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Status
Active: In Production.
Description
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.
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Data Sheet
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Key Features
- Single +3.3V Supply Operation
- SAS Gen I/II Up to 6.0GT/s
- Excellent Return Loss
- Supports SAS/SATA OOB (Out-of-Band) Signaling Very Fast Entry and Exit Time
- Internal Input/Output 50Ω Termination Resistors
- Selectable Input Equalization
- Standard 1000mVP-P Selectable (typ) Output
- Selectable Preemphasis
- Inline Signal Traces for Flowthrough Layout
- Space-Saving Package: 3.5mm x 9mm TQFN
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Applications/Uses
- Data Storage/Work Stations
- Docking Stations
- Servers
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Key Specifications:
| Repeaters and Buffers (SAS, SATA, PCIe, USB) |
| Part Number |
Functions |
Interface |
Data Rate
(Mbps) |
VSUPPLY
(V) |
ICC
(mA) |
Channels |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Oper. Temp.
(°C) |
Budgetary Price |
| max |
typ |
max w/pins |
See Notes |
| MAX4952 |
Equalizer/Re-Driver |
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6000 |
3.3 |
280 |
4 |
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32.8 |
0 to +70 |
$13.18 @1k |
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See All Repeaters and Buffers (SAS, SATA, PCIe, USB) (14)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Typical Application Circuit
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Information Index
Document Ref.: 19-4574
Rev 0;
2009-07-07
This page last modified: 2012-02-28
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