General Description

The MAX3991 is a 10Gbps clock and data recovery (CDR) with limiting amplifier IC for XFP optical receivers.

The MAX3991 and the MAX3992 (CDR with equalizer) form a signal conditioner chipset for use in XFP trans

ceiver modules. The chipset is XFI compliant and offers multirate operation for data rates from 9.95Gbps to 11.1Gbps.

Features

♦Multirate Operation from 9.95Gbps to 11.1Gbps

♦7mVP-P Input Sensitivity (BER ≤10-12)

♦0.6UIP-P Total High-Frequency Jitter Tolerance

♦Low-Output Jitter Generation: 7mUIRMS

♦Low-Output Deterministic Jitter: 4.6psP-P

♦XFI-Compliant Output Interface

♦LOS Indicator with Programmable Threshold

♦LOL Indicator

♦Power Dissipation: 350mW

Applications

9.95Gbps to 11.1Gbps Optical XFP Modules

SONET OC-192/SDH STM-64 XFP Transceivers

10.3Gbps/11.1Gbps Ethernet XFP Transceivers

10.5Gbps Fibre-Channel XFP Transceivers

10Gbps DWDM Transceivers