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MAX3802 3.2Gbps Quad Adaptive Cable Equalizer with Cable Driver

Quad 3.2Gbps Adaptive Equalizer Extends Reach

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Status

Active: In Production.

Description

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The MAX3802 has four independent adaptive cable equalizers and cable drivers on a single chip. It is designed for coaxial and twin-axial cable point-to-point scrambled-data communication applications. The driver features differential current-mode logic (CML) inputs and outputs. The equalizer includes differential CML data inputs and outputs and a TTL loss-of-signal (active-low LOS) output.

The adaptive cable equalizer can equalize differential or single-ended signals at data rates up to 3.2Gbps. It automatically adjusts to attenuation caused by skin-effect losses of 30dB at 1.6GHz. The equalizer effectively extends the usable length of copper cable in high-frequency interconnect applications.

An evaluation kit is available: MAX3802EVKIT

Key Features Applications/Uses

Single 3.3V Operation
Four Independent Equalizers and Drivers
725mW at 3.3V Typical Power Dissipation
Data Rates Up to 3.2Gbps
Equalizer Automatically Adjusts for Different Cable Lengths
0 to 30dB Equalization at 1.6GHz (3.2Gbps)
Loss-of-Signal (active-low LOS) Indicator
On-Chip Input and Output Terminations
Low External Component Count
0°C to +85°C Operating Temperature Range
ESD Protection on Cable Inputs and Outputs

Backplane and Twin-Axial Cable Interconnects
Category 5 UTP-Based Systems
Digital Video Systems
High-Speed Links in Communications and Data Systems