General Description

The MAX3748/MAX3748A multirate limiting amplifier functions as a data quantizer for SONET, Fibre Channel, and Gigabit Ethernet optical receivers. The amplifier accepts a wide range of input voltages and provides constantlevel current-mode logic (CML) output voltages with controlled edge speeds.

Features

♦ SFP Reference Design Available

♦ 16-Pin QFN Package with 3mm ✕ 3mm Footprint

♦ Single +3.3V Supply Voltage

♦ 86ps Rise and Fall Time

♦ Loss of Signal with Programmable Threshold

♦ RSSI Interface (with MAX3744 TIA)

♦ Output Disable

♦ Polarity Select

♦ 8.5psP-P Deterministic Jitter (3.2Gbps)

Applications

Gigabit Ethernet SFF/SFP Transceiver Modules

Fibre Channel SFF/SFP Transceiver Modules

Multirate OC-3 to OC-48-FEC SFF/SFP

Transceiver Modules