MAX3866

2.5Gbps, +3.3V Combined Transimpedance Limiting Amplifier

High Performance, Higher Integration

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Overview

Input Sensitivities Better than -22dBm (7.8µAp-p)
Overdrive Capability Better than +1.4dBm (2.5mAp-p)
Single +3.3V or +5V Supply
165mW Power Dissipation (at 3.3V)
1.8GHz Analog Input Bandwidth
Programmable Loss-of-Power Indicator
100Ω Differential Output

The MAX3866 combined transimpedance preamplifier and limiting postamplifier is intended for application in SDH/SONET systems operating at 2.488Gbps. It operates from a single +3.3V or +5V supply and provides a differential output signal. The differential outputs are each 50Ω reverse terminated (100Ω differential termination) for low-noise and high-speed signal performance.

The small-signal bandwidth and noise performance is specified for a source capacitance of 0.5pF. When the MAX3866 is used with the PIN photodetector, sensitivities better than -22dBm can be achieved. The MAX3866 is equipped with a programmable TTL loss-of-power (LOP) output.

Applications

2.488Gbps ATM Receivers
PIN/Preamplifier Receivers
Regenerators for SDH/SONET
SDH/SONET Transmission Systems

Documentation

Data Sheet 1

MAX3866: 2.5Gbps, +3.3V Combined Transimpedance Limiting Amplifier Data Sheet (Rev.1) 03/01/1999

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Clock & Data Recovery 1
MAX3873A	NOT RECOMMENDED FOR NEW DESIGNS	Low-Power, Compact 2.5Gbps/2.7Gbps Clock-Recovery and Data-Retiming IC
Serializer/Deserializer (SerDes) & Gigabit Multimedia Serial Link (GMSL) 2
MAX3885		+3.3V, 2.488Gbps, SDH/SONET 1:16 Deserializer with LVDS Outputs
MAX3880		+3.3V, 2.488Gbps, SDH/SONET 1:16 Deserializer with Clock Recovery

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