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EVAL-ADN2525-NT_15 PDF预览

EVAL-ADN2525-NT_15

更新时间: 2024-10-03 01:16:07
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亚德诺 - ADI /
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8页 553K
描述
Optical Evaluation Kit for the ADN2525

EVAL-ADN2525-NT_15 数据手册

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Optical Evaluation Kit for the ADN2525  
EVAL-ADN2525-NT/ADN2525-OP  
GENERAL DESCRIPTION  
The power supply must be able to deliver 400 mA at 3.3 V. The  
amplitude of the data signal from the pattern generator must be  
This data sheet describes the optical evaluation kit for the  
ADN2525, a 10 Gbps, active back-termination, differential  
laser diode driver. The differential configuration of the output  
stage combined with on-chip active back-termination ensures  
high quality eye diagrams at lower power consumption compared  
with traditional approaches on 10 Gbps laser diode drivers.  
Complete specifications can be found in the ADN2525 data  
sheet available from Analog Devices, Inc., and should be  
consulted in conjunction with this data sheet when using the  
evaluation board. The EVAL-ADN2525-OP evaluation kit  
consists of an evaluation board that provides optical evaluation  
of the ADN2525 with an Opnext 10 Gbps 1310 nm TOSA  
(LD5033SMDL). The EVAL-ADN2525-NT evaluation kit  
consists of the same evaluation board without a TOSA attached.  
adjusted to within the ADN2525 data sheet specifications for  
data inputs, typically 1 V peak-to-peak differential (500 mV  
single-ended on DATAP and DATAN). The oscilloscope/digital  
communications analyzer must have a 1310 nm optical channel  
that can accept and display properly the optical signals generated by  
the TOSA.  
The coaxial cables used to connect the pattern generator to the  
evaluation board DATAP/DATAN inputs must be suitable for  
carrying 10 Gbps signals without significant reduction of  
rise/fall time or introduction of pattern jitter. They should also  
be a matched pair with a delay skew of ≤2 ps. An example of  
suitable cables is the 60 cm Lab-Flex® 160 cables with 2.4 mm  
connectors from Florida RF Labs.  
To evaluate the performance of the ADN2525, the board must  
be connected to the test setup as shown in Figure 1. A fiber  
patch cord with an appropriate connector for the TOSA end is  
required to connect the TOSA to the oscilloscope.  
Z
= 50  
0
TRIGGER OUT  
TRIGGER IN  
OPTICAL  
FIBER  
Z
= 50Ω  
= 50Ω  
J6  
J5  
DATA  
0
ADN2525  
OPTICAL  
EVALUATION  
BOARD  
PATTERN  
GENERATOR  
OSCILLOSCOPE/  
DIGITAL  
COMMUNICATIONS  
Z
DATA  
0
TOSA  
ANALYZER  
J2  
J4  
J1  
POWER SUPPLY  
0V TO 1.2V/2mA  
POWER SUPPLY  
3.3V/400mA  
POWER SUPPLY  
0V TO 1.2V/2mA  
BSET  
VCC  
MSET  
Figure 1. ADN2525 Optical Evaluation Board Test Setup  
Rev. 0  
Evaluation boards are only intended for device evaluation and not for production purposes.  
Evaluation boards are supplied “as is” and without warranties of any kind, express, implied, or  
statutory including, but not limited to, any implied warranty of merchantability or fitness for a  
particular purpose. No license is granted by implication or otherwise under any patents or other  
intellectual property by application or use of evaluation boards. Information furnished by Analog  
Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog  
Devices for its use, nor for any infringements of patents or other rights of third parties that may result  
from its use. Analog Devices reserves the right to change devices or specifications at any time  
without notice. Trademarks and registered trademarks are the property of their respective owners.  
Evaluation boards are not authorized to be used in life support devices or systems.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2007 Analog Devices, Inc. All rights reserved.  
 
 

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