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UG-184 

Evaluation Board User Guide

 

Rev. 0 | Page 16 of 16 

NOTES 

 

 

ESD Caution  
ESD (electrostatic discharge) sensitive device

. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection 

circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality. 

Legal Terms and Conditions 

By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions 
set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you 
have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement.  This Agreement is made by and between you (“Customer”) and Analog Devices, Inc. 
(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal, 
temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided 
for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional 
limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term 
“Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including 
ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may 
not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to 
promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any 
occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board. 
Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice 
to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO 
WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECIFICALLY DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED, RELATED 
TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL 
PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S POSSESSION OR USE OF 
THE EVALUATION BOARD, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE 
AMOUNT OF ONE HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable 
United States federal laws and regulations relating to exports. GOVERNING  LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of 
Massachusetts (excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby 
submits to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed.

 

©2010 Analog Devices, Inc. All rights reserved. Trademarks and  
 registered trademarks are the property of their respective owners. 
  

UG09092-0-8/10(0)  

Содержание EVAL-AD5781

Страница 1: ...rolled by two means via the on board connector J6 or via the system development platform connector J3 The SDP board allows the evaluation board to be controlled through the USB port of a Windows XP SP2 or later or Vista 32 bit based PC using the AD5781 evaluation software DEVICE DESCRIPTION The AD5781 is a high precision 18 bit digital to analog con verter DAC designed to meet the requirements of ...

Страница 2: ...am 1 Revision History 2 Evaluation Board Hardware 3 Power Supplies 3 Link Options 3 On Board Connectors 3 Evaluation Board Software 5 Software Installation 5 Software Operation 5 Main Window 6 Evaluation Board Performance 8 Evaluation Board Schematics and Artwork 9 Ordering Information 15 Bill of Materials 15 REVISION HISTORY 8 10 Revision 0 Initial Version ...

Страница 3: ...k options on the evaluation board should be set for the required operating setup before using the board The functions of the link options are described in Table 5 Default Link Option Setup The default link options are listed in Table 1 Table 1 Default Link Options Link No Option LK1 A LK3 A LK4 Removed LK5 Removed LK6 Removed LK8 A LK9 C Connector J6 Pin Descriptions Table 2 Connector J6 Pin Confi...

Страница 4: ... at logic high LK5 This link selects the state of the CLR pin When this link is inserted CLR is at logic low When this link is removed CLR is at logic high LK6 This link selects the state of the RESET pin When this link is inserted RESET is at logic low When this link is removed RESET is at logic high LK8 This link selects the positive reference source Position A selects an on board generated 10 V...

Страница 5: ...the USB port of the PC to ensure that the evaluation system is correctly recognized when connected to the PC 2 If the evaluation system is not connected to the USB port when the software is launched a connectivity error is displayed see Figure 2 Connect the evaluation board to the USB port of the PC wait a number of seconds and click Rescan Follow the instructions 1 After installation from the CD ...

Страница 6: ...tware programming the DAC with the Start Code value incrementing the programmed value at each step by the Code Step value and finishing when the programmed value reaches the Stop Code value A delay between measure ments can be inserted if required The GPIB address of the multimeter must be specified To begin the measurement click the START button The measurement can be halted at anytime by clickin...

Страница 7: ...Evaluation Board User Guide UG 184 Rev 0 Page 7 of 16 09092 005 Figure 6 Measure DAC Output Window ...

Страница 8: ...wered from VDD 15 V VSS 15 V and VREF 5 V 0 5 0 4 0 3 0 2 0 1 0 4 0 3 0 2 0 1 0 0 5 0 50k 100k 150k 200k 250k INL ERROR LSB DAC CODE 09092 007 Figure 7 INL Error vs DAC Code 0 50 0 45 0 40 0 35 0 30 0 25 0 20 0 15 0 10 0 05 0 0 05 0 10 0 15 0 20 0 25 0 30 0 50 0 45 0 40 0 35 0 20k 40k 60k 80k 100k 120k 140k 160k 180k 200k 220k 240k 262 143 DNL ERROR LSBs DAC CODE 09092 008 Figure 8 DNL Error vs DA...

Страница 9: ...Evaluation Board User Guide UG 184 Rev 0 Page 9 of 16 EVALUATION BOARD SCHEMATICS AND ARTWORK 09092 009 Figure 9 Schematic of the AD5781 Circuitry ...

Страница 10: ...UG 184 Evaluation Board User Guide Rev 0 Page 10 of 16 09092 010 Figure 10 Schematic of the Voltage Reference Scaling Circuitry ...

Страница 11: ...Evaluation Board User Guide UG 184 Rev 0 Page 11 of 16 09092 011 Figure 11 Schematic of the SDP Board Connector ...

Страница 12: ...UG 184 Evaluation Board User Guide Rev 0 Page 12 of 16 09092 012 Figure 12 Component Placement Schematic 09092 013 Figure 13 Top PCB Layer Schematic ...

Страница 13: ...Evaluation Board User Guide UG 184 Rev 0 Page 13 of 16 09092 014 Figure 14 Inner First PCB Layer Schematic 09092 015 Figure 15 Inner Second PCB Layer Schematic ...

Страница 14: ...UG 184 Evaluation Board User Guide Rev 0 Page 14 of 16 09092 016 Figure 16 Bottom PCB Layer Schematic ...

Страница 15: ... 1022248 and FEC 150410 LK4 LK5 LK6 2 pin 0 1 pitch header and shorting shunt M20 9990246 and M7566 05 FEC 1022247 and FEC 150 411 LK8 LK9 4 pin 2 2 0 1 header and shorting shunt M20 9983646 and M7566 05 FEC 1022244 and 150 411 36 pin strip R1 R2 R3 R4 R5 R6 R7 SMD resistor 0 Ω MC 0 063W 0603 0R FEC 9331662 R8 SMD resistor 1 5 kΩ MC 0 1W 0805 5 1K5 FEC 9333924 R15 R16 R17 R18 SMD resistor 10 kΩ MC...

Страница 16: ...er party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred damages or any modifications or alterations it makes to the Evaluation Bo...

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