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ADN2531 Datasheet Differential Laser Diode Driver

Manufacturer: Analog Devices

Overview: 11.3 Gbps, Active Back-Termination, Differential Laser Diode Driver.

General Description

The ADN2531 laser diode driver can work with directly modulated laser diodes, including vertical-cavity surface-emitting laser (VCSEL), Fabry-Perot (FP) lasers, and distributed feedback (DFB) lasers, with a differential loading resistance ranging from 5 Ω to 140 Ω.

The active back-termination in the ADN2531 absorbs signal reflections from the laser diode side of the output transmission lines, enabling excellent optical eye quality even when the TOSA end of the output transmission lines is significantly mismatched.

The ADN2531 is a SFP+ MSA-pliant device, and its small package and enhanced ESD protection provides the optimum solution for pact modules in which laser diodes are packaged in low pin-count optical subassemblies.

Key Features

  • 3.3 V operation Up to 11.3 Gbps operation Typical 26 ps rise/fall times Bias current range: 10 mA to 100 mA Differential modulation current range: 10 mA to 80 mA Voltage input control for bias and modulation currents Data inputs sensitivity: 150 mV p-p differential Automatic laser shutdown (ALS) Crosspoint adjustment (CPA) VCSEL, FP, DFB laser support SFF/SFP/XFP/SFP+ MSA compliant Optical evaluation board available Compact, 3 mm × 3 mm LFCSP.

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ADN2531 Distributor