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UG-469 

Evaluation Board User Guide 

 

Rev. 0 | Page 20 of 20 

NOTES 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

I

2

C refers to a communications protocol originally developed by Philips Semiconductors (now NXP Semiconductors). 

 

 

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. 

©2012  Analog Devices, Inc. All rights reserved. Trademarks and  
 registered trademarks are the property of their respective owners. 
  

UG11006-0-11/12(0)  

 

Содержание UG-469

Страница 1: ...memory digital potentiometer With versatile programmability the AD5144 allows multiple modes of operation including read write access in the RDAC and EEMEM registers increment decrement of resistance...

Страница 2: ...nd SDP S 1 Revision History 2 Evaluation Board Hardware 3 Power Supplies 3 Digital Interface 3 Test Circuits 4 Evaluation Board Software 8 Installing the Software 8 Software Operation 10 Evaluation Bo...

Страница 3: ...SDZ motherboard and should be set up before using the board Table 2 describes the positions of the links to control the evaluation board via the SDP board using a PC The functions of these link option...

Страница 4: ...is the voltage applied to the B terminal A10 link However by using the R34 and R35 external resistors the user can reduce the voltage of the voltage references In this case use the A1 and B1 test poi...

Страница 5: ...Signal Attenuation Link Options Voltage Supply Maximum AC Signal Amplitude Link Options Conditions Single VDD A9 AC No dc offset voltage the ac signal is outside the voltage supply rails due to the dc...

Страница 6: ...oninverting Amplifier R43 and R42 can be used to set the maximum and minimum gain limits The inverting amplifier with linear gain is shown in Figure 6 and the gain is defined in Equation 5 Note that t...

Страница 7: ...ifier Selection Link Options Amplifier Gain Linear Setting Gain Mode Enabled Link Label Noninverting Linear Yes A7 LIN A6 N INV A8 N INV Pseudologarithmic No A7 LOG A6 N INV A8 N INV Inverting Linear...

Страница 8: ...the evaluation board as described in the Power Supplies section 4 Connect the EVAL AD5144DBZ and EVAL MB LV SDZ to the SDP board and then connect the SDP board to the PC using the USB cable included w...

Страница 9: ...Evaluation Board User Guide UG 469 Rev 0 Page 9 of 20 11006 022 Figure 11 EVAL AD5144DBZ Software Main Window...

Страница 10: ...ou to send quick commands directly to the AD5144 The INDIVIDUAL CHANNEL COMMANDS section allows you to send quick commands to only specific channels of the AD5144 The block diagram allows you to updat...

Страница 11: ...Evaluation Board User Guide UG 469 Rev 0 Page 11 of 20 EVALUATION BOARD SCHEMATICS AND ARTWORK MOTHERBOARD 11006 012 Figure 13 SDP Connector and Power Supply...

Страница 12: ...UG 469 Evaluation Board User Guide Rev 0 Page 12 of 20 11006 013 Figure 14 Schematic of Test Circuits...

Страница 13: ...Evaluation Board User Guide UG 469 Rev 0 Page 13 of 20 11006 014 Figure 15 Schematic of Connectors to Daughter Board...

Страница 14: ...n Board User Guide Rev 0 Page 14 of 20 11006 015 Figure 16 Component Side View of Motherboard 11006 016 Figure 17 Component Placement Drawing of Motherboard 11006 017 Figure 18 Layer 2 Side PCB Drawin...

Страница 15: ...5 6 7 12 13 14 15 16 18 17 19 22 21 23 24 20 1 8 J1 1 J1 2 J1 3 J1 4 J1 5 J1 6 J1 8 J1 7 ADDR0 ADDR1 SDA J3 1 J3 2 J3 3 J3 4 J3 5 J2 1 J2 3 J2 5 J2 7 J2 11 J2 9 J2 2 J2 4 J2 6 J2 8 J2 12 J2 10 A1 W1...

Страница 16: ...UG 469 Evaluation Board User Guide Rev 0 Page 16 of 20 11006 019 Figure 20 Component Side View of Daughter Board 11006 020 Figure 21 Component Placement Drawing of Daughter Board...

Страница 17: ...Evaluation Board User Guide UG 469 Rev 0 Page 17 of 20 11006 021 Figure 22 Layer 2 Side PCB Drawing of Daughter Board...

Страница 18: ...R14 SMD resistor 100 1 0603 FEC 9330364 1 R4 SMD resistor 1 k 0 01 0603 FEC 9330380 3 R5 R25 R26 SMD resistor 100 k 1 0603 FEC 9330402 5 R15 R16 R17 R18 R19 SMD resistor 33 k 1 0603 FEC 9331034 1 C1...

Страница 19: ...e quad SPDT switch ADG774BRQZ 3 A1 ADDR0 ADDR1 3 pin SIL header and shorting link FEC 1022248 and 150410 2 C2 C4 6 3 V tantalum capacitor Case A 10 F 20 FEC 1190107 2 C1 C3 50 V X7R ceramic capacitor...

Страница 20: ...se 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 re...

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