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ADN2848 - 3V Dual-Loop 50 Mbps to 1.25 Gbps Laser Diode Driver

General Description

The ADN2848 uses a unique control algorithm to control both the average power and the extinction ratio of the laser diode (LD) after initial factory setup.

External component count and PCB area are low because both power and extinction ratio control are fully integrated.

Key Features

  • 50 Mbps to 1.25 Gbps operation Single 3.3 V operation Bias current range: 2 to 100 mA Modulation current range: 5 to 80 mA Monitor photo diode current: 50 μA to 1200 μA 50 mA supply current at 3.3 V Closed-loop control of power and extinction ratio Full current parameter monitoring Laser fail and laser degrade alarms Automatic laser shutdown (ALS) Optional clocked data Supports FEC rates 32-lead, 5 mm × 5 mm LFCSP_VQ package.

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Datasheet Details

Part number ADN2848
Manufacturer Analog Devices
File Size 340.67 KB
Description 3V Dual-Loop 50 Mbps to 1.25 Gbps Laser Diode Driver
Datasheet download datasheet ADN2848 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet 3.3 V Dual-Loop 50 Mbps to 1.25 Gbps Laser Diode Driver ADN2848 FEATURES 50 Mbps to 1.25 Gbps operation Single 3.3 V operation Bias current range: 2 to 100 mA Modulation current range: 5 to 80 mA Monitor photo diode current: 50 μA to 1200 μA 50 mA supply current at 3.3 V Closed-loop control of power and extinction ratio Full current parameter monitoring Laser fail and laser degrade alarms Automatic laser shutdown (ALS) Optional clocked data Supports FEC rates 32-lead, 5 mm × 5 mm LFCSP_VQ package GENERAL DESCRIPTION The ADN2848 uses a unique control algorithm to control both the average power and the extinction ratio of the laser diode (LD) after initial factory setup.