General Description
The MAX3798 is a highly integrated limiting amplifier and VCSEL driver designed for 1x/2x/4x/8x Fibre Channel transmission systems at data rates up to 8.5Gbps as well as for 10GBASE-SR transmission systems at a data rate of 10.3125Gbps.

Features
♦ Low Power Dissipation of 320mW at 3.3V Power Supply
♦ Up to 10.32Gbps (NRZ) Operation
♦ 3mVP-P Receiver Sensitivity at 10.32Gbps
♦ 4psP-P DJ at Receiver Output at 8.5Gbps 8B/10B
♦ 4psP-P DJ at Receiver Output at 10.32Gbps 231 - 1 PRBS
♦ 26ps Rise and Fall Time at Rx/Tx Output
♦ Mode Select for High-Gain Mode and HighBandwidth Mode
♦ CML Output Slew-Rate Adjustment for High-Gain Mode
♦ CML Output with Continuous Level Adjustment
♦ CML Output Squelch
♦ Polarity Select for Rx and Tx
♦ LOS Assert Level Adjustment
♦ LOS Polarity Select
♦ Modulation Current Up to 12mA Into 100Ω Differential Load
♦ Bias Current Up to 15mA
♦ Integrated Eye Safety Features
♦ Selectable Deemphasis at Rx Output
♦ 3-Wire Digital Interface
♦ Eye-Crossing Adjustment of Modulation Output
♦ Programmable Deemphasis at Tx Output
♦ Fast Mode-Select Change Time of 10µs

Applications
    10GBASE-SR SFP+ Optical Transceiver
    1x/2x/4x/8x SFF/SFP/SFP+ MSA Fibre Channel (FC) Optical Transceiver
    10GBASE-LR SFP+ Optical Transceiver (1310nm VCSEL)
    10GBASE-LRM SFP+ Optical Transceiver (1310nm VCSEL)