Datasheet > EVAL-ADN2843

EVAL-ADN2843

更新时间： 2024-10-01 22:49:07

品牌	Logo	应用领域
亚德诺 - ADI		驱动器二极管激光二极管
页数	文件大小	规格书
12页	330K
描述
10.709 Gbps Laser Diode Driver Chipset

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中文翻译

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数据手册

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EVAL-ADN2843 数据手册

10.709 Gbps Laser Diode

Driver Chipset

ADN2843

FEATURES

GENERAL DESCRIPTION

Data Rates from 9.952 Gbps to 10.709 Gbps

Typical Rise/Fall Time 25 ps/23 ps

Bias Current Range 3 mA to 80 mA

Modulation Current Range 5 mA to 80 mA

Monitor Photodiode Current 50 ꢀA to 1200 ꢀA

Closed-Loop Control of Both Average Optical Power

and Extinction Ratio

Laser Fail and Laser Degrade Alarms

Automatic Laser Shutdown, ALS

Dual MPD Functionality for Wavelength Control

CML Data Inputs

The ADN2943 chipset consists of two components, the ADN2845

and the ADN2844. The ADN2845 is a 10.709 Gbps laser diode

driver. The ADN2845 eliminates the need to ac couple since it

can deliver 80 mA of modulation while dc coupled to the laser

diode. It is intended to be copackaged with the laser to minimize

bond lengths, which improves performance of the optical

transmitter. For transmission line applications, contact HSN

Application Group at fiberoptic.ic@analog.com.

The ADN2844 offers a unique control loop algorithm and pro-

vides dual loop control of both average power and extinction ratio.

Programmable alarms are provided for laser fail (end of life) and

laser degrade (impending fail).

50 ꢁ Internal Data Terminations

3.3 V Single-Supply Operation

Driver Supplied in Dice Format

Both the ADN2844 and the ADN2845 are available as bare die.

The ADN2844 is also available in 5 mm ¥ 5 mm 32-lead LFCSP.

APPLICATIONS

SONET OC-192, SDH STM-64

Supports 10.667 Gbps and 10.709 Gbps FEC Rates

10 Gb Ethernet IEEE802.3ae

FUNCTIONAL BLOCK DIAGRAM

MPD

ADN2843

ADN2844

ADN2845

IMPD

IMODP

IMODN

IMPD2

DATAP

GND

MODE

CONTROL

DATAN

GND

IMOD_CTRL

ALS

D_IMOD

PSET

IBIAS

IBIAS_CTRL

GND

ERSET

GND

ERCAP

GND IDTONE

PAVCAP

ASET

GND

ALS

*ADN2850 OR ADN2860 OPTICAL SUPERVISOR

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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