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UG-690 

EVAL-AD7405FMCZ User Guide

 

Rev. 0 | Page 20 of 20 

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.

 

©2014 Analog Devices, Inc. All rights reserved. Trademarks and  
 registered trademarks are the property of their respective owners. 
  

UG12304-0-9/14(0)  

Summary of Contents for EVAL-AD7405FMCZ

Page 1: ...D DESCRIPTION The EVAL AD7405FMCZ is a full featured evaluation board designed to allow the user to easily evaluate all features of the AD7405 isolated analog to digital converter ADC The evaluation board can be controlled by the EVAL SDP CH1Z via the FMCZ connector J9 The SDP H1 board EVAL SDP CH1Z allows the evaluation board to be controlled through a USB port of a PC using the evaluation board ...

Page 2: ...ut Signals 7 Link Configuration Options 9 Setup Conditions 9 Evaluation Board Circuitry 10 Sockets Connectors 10 Test Points 10 Basic Hardware Setup 11 Evaluation Board Software 12 Starting the Software 12 Description of Main Window 14 Generating a Waveform Analysis Report 15 Generating a Histogram of the ADC Code Distribution 16 Generating a Fast Fourier Transform of AC Characteristics 17 Generat...

Page 3: ... evaluation board as shown in Figure 2 4 Connect the EVAL SDP CH1Z board to the PC via the USB cable For Windows XP you may need to search for the EVAL SDP CH1Z drivers Choose to automatically search for the drivers for the EVAL SDP CH1Z board if prompted by the operating system 5 Power up the EVAL SDP CH1Z by inserting the 12 V dc barrel jack included with EVAL SDP CH1Z into the barrel connector ...

Page 4: ...he CD 2 Double click the setup exe file to begin the installation By default the software is saved to the following location C Program Files Analog Devices AD740X 3 A dialog box appears asking for permission to allow the program to make changes to your computer Click Yes to begin the installation process see Figure 3 Figure 3 Evaluation Software Installation User Account Control 4 Select the locat...

Page 5: ...begin the driver installation process see Figure 7 Figure 7 EVAL SDP CH1Z Drivers Installation Setup Wizard 2 Select the location to install the drivers and then click Install see Figure 8 Figure 8 EVAL SDP CH1Z Drivers Installation Choose Install Location 3 Click Install to proceed with the installation see Figure 9 Figure 9 EVAL SDP CH1Z Drivers Installation Windows Security 4 To complete the dr...

Page 6: ...l connector labeled 12V_VIN on the EVAL SDP CH1Z board 4 Connect the EVAL SDP CH1Z board to the PC via the USB cable enclosed in the EVAL SDP CH1Z kit Verifying the Board Connection 1 Allow the Found New Hardware Wizard to run after the EVAL SDP CH1Z board is plugged into your PC If you are using Windows XP you may need to search for the EVAL SDP CH1Z drivers Choose to automatically search for the...

Page 7: ...t of link options This evaluation board is designed to be supplied via the EVAL SDP CH1Z The EVAL SDP CH1Z generates 12 V and 3 3 V supply rails The 12 V supply is connected to the on board 5 V linear regulator that supplies the ADuM6000 with power The ADuM6000 then generates an isolated 5 V supply to power the VDD1 rail of the AD7405 The 3 3 V supply rail from the EVAL SDP CH1Z is used to supply ...

Page 8: ... AD7405FMCZBlock Diagram SDP H1 BOARD XILINX SPARTAN 6 FPGA ADuM6000 12V SUPPLY ADP7104 5 0 AD7405 LOW VOLTAGE VIN VIN VDD1 VDD2 ADP2241 HIGH V GND VDD1 GND B 3 3V SUPPLY VDD2 GND B A C A HIGH VOLTAGE 12304 012 MCLK MDAT MDAT MCLK Rev 0 Page 8 of 20 ...

Page 9: ...power supplied from the EVAL SDP CH1Z board and the analog supply rail VDD1 being supplied via the on board isoPower ADuM6000 dc to dc converter Table 2 Link Options Category Link Default Position Function Power Supplies LK1 A This link selects the AD7405 VDD1 supply source Remove LK5 if using either Position A or Position B Position A VDD1 is supplied from the ADuM6000 on board device Position B ...

Page 10: ...nal source high voltage The default interface to this evaluation board is via the FMC connector which connects the EVAL AD7405FMCZ to the EVAL SDP CH1Z board If the EVAL AD7405FMCZ board is used in standalone mode communication is achieved via the J3 and J4 SMB jacks See Table 2 for more information about configuring the evaluation board for standalone mode TEST POINTS There are several test point...

Page 11: ... operation ensure that the link options are in their default positions as outlined in Table 2 Ensure all links are in the appropriate position before connecting the evaluation board to the EVAL SDP CH1Z Before powering up the EVAL SDP CH1Z connect the EVAL AD7405FMCZ to FMC Connector J4 on the EVAL SDP CH1Z board After the evaluation board and the EVAL SDP CH1Z board have been connected securely a...

Page 12: ... select Programs Analog Devices AD7405 The main window of the software then opens see Figure 14 2 If the EVAL AD7405FMCZ is not connected to the USB port via the EVAL SDP CH1Z when the software is launched a connectivity error displays see Figure 13 Connect the evaluation board to the USB port of the PC wait a few seconds click Rescan and follow the instructions Figure 13 Connectivity Error Alert ...

Page 13: ...EVAL AD7405FMCZ User Guide UG 690 Figure 14 Evaluation Software Main Window 1 2 3 4 6 5 12304 014 Rev 0 Page 13 of 20 ...

Page 14: ...ettings section labeled 6 in Figure 14 specifies the MCLK frequency used for the serial interface and the decimation ratio used by the FPGA to filter the data The Samples drop down box labeled 4 in Figure 14 allows selecting the number of samples to be captured in a single acquisition Clicking Single Capture see label 5 in Figure 14 initiates the sampling and readback of the number of measurements...

Page 15: ...the resulting waveform Graph controls labeled 2 in Figure 16 are located above the graph and may be used pan and zoom into particular areas of the graph see the Graph Tools section and Figure 15 for more information The Waveform Analysis area labeled 3 in Figure 16 shows statistics pertaining to the captured waveform such as maximum minimum and mean amplitudes and signal frequency Figure 16 Wavefo...

Page 16: ... quality signal source to the VIN input on the board 2 Select the Histogram tab in the evaluation software main window 3 Click the Single Capture or Continuous Capture button labeled 1 in Figure 17 DC Input The histogram is more commonly used for dc testing To perform a histogram test of dc input 1 Select the Histogram tab in the evaluation software main window 2 Click Single Capture or Continuous...

Page 17: ...ss filter based on the sinusoidal signal applied 2 Click the FFT tab from the main window 3 Click Single Capture or Continuous Capture As in the histogram test raw data is then captured and passed to the PC which performs the FFT and displays the resulting SNR THD and SINAD Figure 18 displays the spectral analysis results of the captured data The plot is the FFT image of the raw data The FFT Analy...

Page 18: ...ure 19 shows the Summary tab This tab captures and displays all of the information in one window with a synopsis of the information including key performance parameters such as SNR and THD see the SNR and THD boxes labeled 1 and 2 respectively in Figure 19 Figure 19 Summary Tab 1 2 12304 019 Rev 0 Page 18 of 20 ...

Page 19: ...location Screenshots are saved in jpeg format and can be viewed with any picture viewer editor Figure 21 Dialog Box for Saving a Screenshot PRINT SCREENSHOT To print a screenshot from the File menu select Print Screenshot The screenshot is sent to the default printer No dialog will appear when printing a screenshot OPENING FILES Loading Captured Data The software can load previously captured data ...

Page 20: ...valuationBoard 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 activ...

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