MAX3632

622Mbps/1244Mbps Burst-Mode Limiting Amplifier for GPON OLT Applications

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Overview

DC-Coupled Limiting Amplifier for Burst-Mode GPON Applications
LVPECL Data Output
4mV_P-P Input Sensitivity
LVPECL Reset Input (RST-bar)
LVPECL HOLD Input for Optional Control Modes
4mm x 4mm TQFN Package

The MAX3632 burst-mode limiting amplifier is designed specifically for 622Mbps or 1244Mbps GPON (G.984) optical line terminal (OLT) receiver applications. The MAX3632 has an electrical input sensitivity of 4mV_P-P that supports GPON class-B optical sensitivity at 622Mbps with a PIN photodiode. An LVPECL-compatible burst reset input (active-low RST) connected to the limiting amplifier is used to control the offset correction loop of the MAX3632 as required for burst-mode operation.

The MAX3632 is available in a low-profile, 4mm x 4mm, 24-lead thin QFN package. It operates from a single +3.3V power supply over a -40°C to +85°C temperature range.

Applications