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MAX3983 Quad Copper-Cable Signal Conditioner

2.5Gbps to 3.2Gbps Quad, Copper-Cable Signal Conditioner Provides Compensation for 4x Copper Infiniband and 10Gbase-Cx4 Ethernet Links, Allowing Spans of 20m with 24AWG and 15m with 28AWG

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Status

Active: In Production.

Description

FULL DATA SHEET (PDF, 336kB)

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The MAX3983 is a quad copper-cable signal conditioner that operates from 2.5Gbps to 3.2Gbps. It provides compensation for 4x copper InfiniBand® and 10Gbase-CX4 Ethernet links, allowing spans of 20m with 24AWG and 15m with 28AWG. The cable driver section provides four selectable preemphasis levels. The input to the cable driver compensates for up to 0.5m of FR4 circuit board material. The cable receiver section provides additional fixed input equalization while offering selectable preemphasis to drive FR4 circuit boards up to 0.5m.

The MAX3983 also features signal detection on all eight inputs and internal loopback that allows for diagnostic testing. It is packaged in a 10mm x 10mm, 68-pin QFN and operates from 0°C to +85°C.

An evaluation kit is available: MAX3983EVKIT MAX3983SMAEVKIT

Key Features Applications/Uses

Link Features

Span 20m with 24AWG, 15m with 28AWG
Span 0.5m of FR4 on Each Host
1.6W Total Power with 3.3V Supply
Loopback Function

Cable Driver Features

Selectable Output Preemphasis
FR4 Input Equalization
Signal Detect for Each Channel
Output Disable

Cable Receiver Features

Selectable FR4 Output Preemphasis
Cable Input Equalization
Signal Detect for Each Channel
Output Disable

10G Fibre Channel XAUI (4 x 3.1875Gbps)
10Gbase-CX4 Ethernet (4 x 3.125Gbps)
4x Copper-Cable or Backplane Transmission (1Gbps to 3.2Gbps)
4x InfiniBand® (4 x 2.5Gbps)