MAXIM MAX3802 3.2Gbps Quad Adaptive Cable Equalizer with Cable Driver Data Sheet
Summary
Boost signal integrity in high-speed data links using the MAX3802 Quad Adaptive Cable Equalizer. This essential chip features four independent drivers designed to maintain powerful differential signals up to 3.2Gbps over coaxial and twin-axial connections, automatically counteracting cable attenuation. The comprehensive manual provides hardware designers and electrical engineers with detailed specifications, timing diagrams, and best practices necessary for seamless integration of this advanced signal conditioning solution into demanding backplane and communications systems.
Page 1 Text Content
19-2289; Rev 2; 11/06
EVALUATION KIT AVAILABLE
3.2Gbps Quad Adaptive Cable Equalizer
with Cable Driver
General Description Features
The MAX3802 has four independent adaptive cable Single 3.3V Operation equalizers and cable drivers on a single chip. It is
Four Independent Equalizers and Drivers
designed for coaxial and twin-axial cable point-to-point scrambled-data communication applications. The dri-
725m W at 3.3V Typical Power Dissipation
ver features differential current-mode logic (CML)
Data Rates Up to 3.2Gbps
inputs and outputs. The equalizer includes differential CML data inputs and outputs and a TTL loss-of-signal
Equalizer Automatically Adjusts for Different
(LOS) output.
Cable Lengths
The adaptive cable equalizer can equalize differential
0 to 30d B Equalization at 1.6GHz (3.2Gbps)
or single-ended signals at data rates up to 3.2Gbps. It automatically adjusts to attenuation caused by skin- Loss-of-Signal (LOS) Indicator effect losses of 30d B at 1.6GHz. The equalizer effec-
On-Chip Input and Output Terminations
tively extends the usable length of copper cable in high-frequency interconnect applications. Low External Component Count
0°C to +85°C Operating Temperature Range
Applications ESD Protection on Cable Inputs and Outputs
High-Speed Links in Communications and Data
Ordering Information
Systems Backplane and Twin-Axial Cable Interconnects TEMP PIN- PACKAGE
RANGE PACKAGE CODE
Category 5 UTP-Based Systems
MAX3802UGK 0°C to +85°C 68 QFN G6800-2
Digital Video Systems
MAX3802UTK+ 0°C to +85°C 68 QFN T6800-4
Pin Configuration appears at end of data sheet. +Denotes lead-free package.
Typical Application Circuit
EP* VCC EP* VCC
DIN_ DOUT_ COAX, TWIN-AX, OR PC BOARD x 4 EIN_ EOUT_
CARD 2CARD 1
MAX3802 MAX3802
EOUT_ EIN_ COAX, TWIN-AX, OR PC BOARD x 4 DOUT_ DIN_
LOS_ RMOD_ CIM_ RMOD_ CIM_LOS_
RMOD_
RMOD_
THIS SYMBOL INDICATES A CONTROLLED-IMPEDANCE TRANSMISSION LINE.
*EP MUST BE SOLDERED TO GROUND FOR PROPER THERMAL AND ELECTRICAL PERFORMANCE.
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Page Summary Contents For MAXIM MAX3802 3.2Gbps Quad Adaptive Cable Equalizer with Cable Driver Data Sheet
Manual Details
| Brand | QUAD |
|---|---|
| Pages | 12 |
| File Size | 609.32 KB |
| Published | May 27, 2026 |
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Frequently Asked Questions
What is the maximum data rate supported by this equalizer chip?
The MAX3802 supports high-speed, point-to-point communication applications up to 3.2 Gbps.
How does the device compensate for signal loss in cables?
It includes adaptive equalization that automatically adjusts losses from 0 to 30dB at 1.6GHz, extending usable cable length.
What is the recommended required supply voltage for operation?
The MAX3802 is designed for single 3.3V operation.
What are the limitations regarding operating temperature?
The device maintains operation in an ambient temperature range from 0°C to +85°C.