1Gbps to 12.5Gbps Passive Equalizer for Backplanes and Cables

Please check latest availability status for a specific part variant.


The MAX3787 is a 1Gbps to 12.5Gbps equalization network that compensates for transmission medium losses encountered with FR4 and cables. The equalization network is composed entirely of passive components and functions equally well for 8b/10b or scrambled signals. It is packaged in a small 1.5mm x 1.5mm chipscale package (UCSP™) that can be placed anywhere along the transmission medium to increase jitter margin for high-speed interconnects. Roughly the size of two 0603 components, the MAX3787 easily provides placement and routing flexibility.

At 8.5Gbps, the MAX3787 compensates for spans up to 18in of FR4 and 7m of cable. At 12.5Gbps, the MAX3787 compensates for spans up to 12in of FR4 and 3m of cable. Input and output impedance is 100Ω differential. The MAX3787 requires no power and operates over a -40°C to +125°C temperature range.
MAX3787: Typical Operating Characteristics MAX3787: Typical Operating Characteristics Enlarge+

Key Features

  • No Power Supply Required
  • Small 1.5mm x 1.5mm Chip-Scale Package
  • Passive Equalization Reduces ISI
  • Operates from 1Gbps to 12.5Gbps
  • Extends Board Link
  • Extends Cable Link
  • Coding Independent, 8b/10b or Scrambled


  • Backplane Interconnect Compensation
  • Cable Interconnect Compensation
  • Chassis Life Extension
  • Chip-to-Chip Link Extensions
  • Ethernet and Fibre Channel Serial Modules

See parametric specs for Equalizers (Cable and Circuit Board) (12)

Part NumberApplicationsData Rate
Data Rate
ChannelsRx Eq. @ Max. Rate
Tx Eq. @ Max. Rate
Package/PinsOper. Temp.
minmaxtyptypSee Notes
Fibre Channel
Printed Circuit Board Interconnect
UCSP (B)/9
-40 to +85$1.50 @1k

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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

MAX3787EVKIT: Evaluation Kit for the MAX3787

Quality and Environmental Data

Product Reliability Reports: MAX3787.pdf 
Lead-Free Package Tin (Sn) Whisker Reports
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >


Related Resources