EVAL-AD7606BFMCZ User Guide UG-1225 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 Evaluating the AD7606B 8-Channel DAS with 16-Bit, 800 kSPS Bipolar Input, Simultaneous Sampling ADC FEATURES EVALUATION BOARD DESCRIPTION Full featured evaluation board for the AD7606B On-board power supplies Standalone capability SDP-H1 compatible (EVAL-SDP-CH1Z (SDP-H1)) PC software for control and data analysis (download from the AD7606B product page) Time and frequency domain The EVAL-AD7606BFMCZ is a full featured evaluation board that allows users to easily evaluate the features of the AD7606B analog-to-digital converter (ADC). The EVAL-AD7606BFMCZ can be controlled by the system demonstration platform controller board (EVAL-SDP-CH1Z (SDP-H1)). The EVAL-SDP-CH1Z (SDP-H1) allows the EVAL-AD7606BFMCZ to be controlled through the USB port of a PC using the AD7606B evaluation software. The software is available for download from the AD7606B product page. EVALUATION KIT CONTENTS EVAL-AD7606BFMCZ evaluation board On-board components include an ADP7118 5 V, low noise low dropout regulator (LDO) and an ADR4525 high precision, band gap voltage reference. ADDITIONAL EQUIPMENT NEEDED System demonstration platform (SDP)--high speed controller board (EVAL-SDP-CH1Z (SDP-H1)) PC running Windows Vista SP2 (32-bit or 64-bit), Windows 7 SP1 (32-bit or 64-bit), Windows 8.1 (32-bit or 64-bit), or Windows 10 (32-bit or 64-bit) with a USB 2.0 port DC/ac signal source SMB and USB cables External supply (optional) Full data on the AD7606B is available in the AD7606B data sheet, which must be consulted in conjunction with this user guide. Full details on the EVAL-SDP-CH1Z are available on the SDP-H1 product page. DOCUMENTS NEEDED AD7606B data sheet EVAL-AD7606BFMCZ user guide Schematics Layout files Bill of materials ONLINE RESOURCES ACE evaluation software AD7606B ACE plug-in 16428-001 EVALUATION BOARD PHOTOGRAPH Figure 1. Rev. A | Page 1 of 15 UG-1225 EVAL-AD7606BFMCZ User Guide TABLE OF CONTENTS Features .............................................................................................. 1 Power Supplies ..............................................................................4 Evaluation Kit Contents .................................................................. 1 Channel Input ................................................................................4 Additional Equipment Needed ...................................................... 1 Evaluation Board Software...............................................................6 Documents Needed .......................................................................... 1 Software Installation .....................................................................6 Online Resources .............................................................................. 1 AD7606B Evaluation Software Operation.................................8 Evaluation Board Description ........................................................ 1 Description of Chip View ............................................................8 Evaluation Board Photograph ........................................................ 1 Description of Memory Map Window ................................... 10 Revision History ............................................................................... 2 Description of Analysis Window ............................................. 12 Quick Start Guide ............................................................................. 3 Waveform Tab ............................................................................ 12 Evaluation Board Hardware ........................................................... 4 Histogram Tab ............................................................................ 13 Device Description ....................................................................... 4 FFT Tab ....................................................................................... 14 Hardware Link Options .............................................................. 4 Exiting the Software ................................................................... 15 Connectors and Sockets .............................................................. 4 REVISION HISTORY 6/2020--Rev. 0 to Rev. A Changes to Additional Equipment Needed Section and Online Resources Section ............................................................................. 1 Changes to Quick Start Guide Section .......................................... 3 Changes to Table 2 ........................................................................... 4 Changes to Software Installation Section, Figure 2, Figure 3, and Figure 4 ....................................................................................... 6 Changes to Figure 5, Figure 6, Figure 7, and Figure 8 ................ 7 Added Disconnecting the EVAL-AD7380FMCZ or EVALAD7381FMCZ Section .................................................................... 7 Added AD7606B Evaluation Software Operation Section, Description of Chip View Section, and Figure 10; Renumbered Sequentially ........................................................................................8 Changes to Figure 11 and Figure 12 ...............................................9 Changes to Description of Memory Map Window, Figure 13, and Figure 14 .................................................................................. 10 Changes to Figure 15 and Waveform Tab Section .................... 12 Changes to Histogram Tab Section and Figure 16 .................... 13 Changes to Figure 17 and Figure 18 ............................................ 14 5/2019--Revision 0: Initial Version Rev. A | Page 2 of 15 EVAL-AD7606BFMCZ User Guide UG-1225 QUICK START GUIDE 4. To quickly evaluate the AD7606B ADC, take the following steps: 1. 2. 3. Download and install the Analysis Control Evaluation (ACE) software from the AD7606B product pages. Ensure that the EVAL-SDP-CH1Z (SDP-H1) is disconnected from the USB port of the PC while installing the software. Restart the PC after the installation process completes. For complete software installation instructions, see the Software Installation section. Ensure that the various link options are configured as outlined in Table 2. Connect the EVAL-SDP-CH1Z (SDP-H1) board to the EVAL-AD7606BFMCZ. Ensure that these boards are connected firmly together. 5. 6. 7. Rev. A | Page 3 of 15 By default, the power for the EVAL-AD7606BFMCZ is supplied by the EVAL-SDP-CH1Z (SDP-H1) controller board. A number of power options are available, see the Power Supplies section for more information. Connect the EVAL-SDP-CH1Z (SDP-H1) to the 12 V supply and to the PC via the USB cable. Choose to automatically search for the drivers for the EVAL-SDPCH1Z (SDP-H1) if prompted by the operating system. Launch the ACE evaluation software from the Analog Devices subfolder in the Programs menu. Connect an input signal via the CH1 to CH8 terminal blocks. UG-1225 EVAL-AD7606BFMCZ User Guide EVALUATION BOARD HARDWARE DEVICE DESCRIPTION The AD7606B is a 16-bit, 8-channel, simultaneous sampling successive approximation ADC. The device operates from a single 4.75 V to 5.25 V power supply and features throughput rates of up to 800 kSPS. The device has 5 M input impedance for direct connection from the user sensor outputs to the ADC. HARDWARE LINK OPTIONS Table 2 details the link option functions and the default power link options. The EVAL-AD7606BFMCZ can be powered by different sources, as described in the Power Supplies section. By default, the power supply required for the EVAL-AD7606BFMCZ comes from the EVAL-SDP-CH1Z (SDP-H1) controller board. The power supply is regulated by the on-board ADP7118 low dropout (LDO) regulators, which generates the 5 V supply. CONNECTORS AND SOCKETS The connectors and sockets on the EVAL-AD7606BFMCZ are outlined in Table 1. P9, P10 J1 to J4 P7, P11 P1, P2 POWER SUPPLIES Before applying power and signals to the EVAL-AD7606BFMCZ, ensure that all link positions are set according to the required operating mode. See Table 2 for the complete list of link options. The supply required for the EVAL-AD7606BFMCZ comes from the EVAL-SDP-CH1Z (SDP-H1) controller board. Alternatively, the EVAL-AD7606BFMCZ can also be supplied with a dc power supply connected to the P4 terminal block. Select the external power supply or the EVAL-SDP-CH1Z (SDP-H1) supply through JP2. The power supply is then connected to the on-board ADP7118 5 V linear regulator that supplies the correct bias to each of the various sections on the EVAL-AD7606BFMCZ. CHANNEL INPUT Table 1. On-Board Connectors Connector P12 P4 P6, P8 The default interface to the EVAL-AD7606BFMCZ is via the FMC connector, which connects the EVAL-AD7606BFMCZ to the EVAL-SDP-CH1Z (SDP-H1). Function FPGA mezzanine card (FMC) connector External power terminal block, 7 V to 9 V dc input 8-pin connectors for input to Channel 1 through Channel 4 8-pin connectors for input to Channel 5 through Channel 8 Analog input Subminiature Version B (SMB) connectors to Channel 1 through Channel 4 Channel 8 surfboard evaluation headers General connectors for debugging purposes or to connect an external controller The J1 to J4 connectors allow users to connect external signals to the ADC channel inputs through the SMB inputs. The EVALAD7606BFMCZ is supplied with the AD7606B mounted (U4, see Figure 1). The AD7606B is an 8-channel data acquisition system (DAS) with a simultaneous sampling ADC. External signals can be applied to the P8 to P10 terminal blocks on the EVAL-AD7606BFMCZ. Table 2. Link Options Link JP2 Default Position A JP1 A Function This link selects the power supply source for the evaluation board. In Position A, the unregulated supply to the on-board LDOs is taken from the EVAL-SDP-CH1Z (SDP-H1) 12 V supply. In Position B, the unregulated external supply to the on-board LDOs is taken from the P4 terminal block connector. The EVAL-AD7606BFMCZ evaluation software controls the STBY pin. When using the EVAL-AD7606BFMCZ board in standalone mode without running the EVAL-AD7606BFMCZ evaluation software, this jumper allows selection of standby mode. In this case, change the R8 and R10 resistors to 0 links. In Position A, the STBY pin is tied to VDRIVE. In Position B, the STBY pin is tied to AGND. Rev. A | Page 4 of 15 EVAL-AD7606BFMCZ User Guide Link JP3 Default Position A JP4 A JP5 A JP6 A S1 Open UG-1225 Function Use to select the VDRIVE source for the AD7606B. In Position A, the AD7606B is supplied with 3.3 V VDRIVE from the ADP7118. In Position B, the AD7606B is supplied with 3.3 V from the EVAL-SDP-CH1Z (SDP-H1). The EVAL-AD7606BFMCZ evaluation software controls the RANGE pin. If using the EVAL-AD7606BFMCZ board in standalone mode, this jumper allows selection of the analog input range in hardware mode. In this case, change the R20 resistor to a 0 link. In Position A, the RANGE pin is tied to VDRIVE, and the 10 V range is selected. In Position B, the RANGE pin is tied to AGND, and the 5 V range is selected. In software mode, this pin is ignored. The EVAL-AD7606BFMCZ evaluation software controls the PAR/SER SEL pin. If using the EVAL-AD7606BFMCZ board in standalone mode, this jumper allows digital interface selection. In this case, change the R19 and R21 resistors to 0 links In Position A, the PAR/SER SEL pin is tied to VDRIVE, and the serial interface is selected. In Position B, the PAR/SER SEL pin is tied to AGND, and the parallel interface is selected. The EVAL-AD7606BFMCZ evaluation software controls the REF SELECT pin. By default, the internal reference is selected. If switching to the external reference is required through the EVAL-AD7606BFMCZ evaluation software, R1 must be populated. If using the EVAL-AD7606BFMCZ board in standalone mode, this jumper allows reference selection. In this case, change the R13 resistor to a 0 link. In Position A, the REF SELECT pin is tied to AGND, the internal reference is disabled, and the external reference is selected. R1 must be populated. In Position B, the REF SELECT pin is tied to VDRIVE, and the internal reference is enabled and selected. R1 must be unpopulated. The EVAL-AD7606BFMCZ evaluation software controls the REF SELECT pin. If using the EVAL-AD7606BFMCZ in standalone mode, these switches can select the logic level on the OSx pins. Rev. A | Page 5 of 15 UG-1225 EVAL-AD7606BFMCZ User Guide EVALUATION BOARD SOFTWARE SOFTWARE INSTALLATION 5. Read the license and click I Agree. 6. Choose the install location and click Next >. Download the ACE evaluation software from the AD7606B product page. Both the EVAL-AD7606BFMCZ software and the EVAL-SDP-CH1Z (SDP-H1) board drivers must be installed. Warning The ACE evaluation software and drivers must be installed before connecting the EVAL-AD7606BFMCZ evaluation board and the EVAL-SDP-CH1Z (SDP-H1) board to the USB port of the PC to ensure that the evaluation system is correctly recognized when it is connected to the PC. Figure 3. License Agreement 16428-006 To install the ACE evaluation software, take the following steps: 1. Download the ACE evaluation software to a Windows(R)based PC. 2. Double click the ACEInstall.exe file to begin the installation. By default, the software is saved to: C:\Program Files (x86)> Analog Devices > ACE. 3. A dialog box appears asking for permission to allow the program to make changes to the PC. Click Yes to begin the installation process. 4. Click Next > to continue the installation, as shown in Figure 2. 16428-005 Installing the ACE Evaluation Software 16428-004 Figure 4. Choose Install Location Window Figure 2. Evaluation Software Install Confirmation Rev. A | Page 6 of 15 EVAL-AD7606BFMCZ User Guide 16428-010 The components to install are preselected. Click Install. 16428-007 7. UG-1225 When first plugging in the EVAL-SDP-CH1Z (SDP-H1) via the USB cable provided, allow the Found Hardware Wizard to run. After the drivers are installed, ensure that the EVAL-SDPCH1Z (SDP-H1) is connected correctly by looking at the Device Manager of the PC. The Device Manager can be found by right clicking My Computer > Manage > Device Manager from the list of System Tools. Figure 5. Choose Components The Windows Security window appears. Click Install. The Analog Devices SDP-H1 (EVAL-SDP-CH1Z (SDP-H1)) appears under ADI Development Tools, as shown in Figure 9. 16428-008 8. Figure 8. Installation Complete Figure 6. Windows Security Window The installation is in progress. No action is required. 16428-011 9. Figure 9. Device Manager Window Disconnecting the EVAL-AD7380FMCZ or EVALAD7381FMCZ 16428-009 Always disconnect power from the EVAL-SDP-CH1Z or press the reset tact switch located alongside the mini USB port before removing the EVAL-AD7606BFMCZ evaluation board. Figure 7. Installation in Progress 10. When the installation is complete, click Next >, and then click Finish to complete. Rev. A | Page 7 of 15 UG-1225 EVAL-AD7606BFMCZ User Guide AD7606B EVALUATION SOFTWARE OPERATION DESCRIPTION OF CHIP VIEW Launching the Software After completing the steps in the Software Installation section, set up the system for data capture. After the EVAL-AD7606BFMCZ and EVAL-SDP-CH1Z boards are correctly connected to the PC, launch the ACE evaluation software. 2. 3. 4. 5. From the Start menu, select All Programs > Analog Devices > ACE> ACE.exe, which brings up the window shown in Figure 10. If the EVAL-AD7606BFMCZ evaluation board is not connected to the USB port via the EVAL-SDP-CH1Z when the software is launched, the AD7606B Eval Board icon does not show up in the Attached Hardware section. Connect the EVAL-AD7606BFMCZ and the EVAL-SDP-CH1Z to the USB port of the PC and wait a few seconds, and then follow the instructions that appear in the dialogue box. Double-click the AD7606B Eval Board icon to view the window shown in Figure 10. Double-click the AD7606B chip icon to access the window shown in Figure 11. Click Software Defaults and then click Apply Changes. The available programmable blocks in chip view are as follows: Analog input range on a per channel basis through the icon located on each PGA block Gain, offset, and phase calibration setting on a per channel basis. Diagnostic multiplexer. Oversampling ratio lines. By setting all the lines high, the AD7606B enters software mode, and the oversampling ratio is set through the memory map. In hardware mode, these lines select the oversampling ratio. Data interface, either serial or parallel. Reference selection, either internal or external, through the REF SELECT switch. 16428-012 1. Block icons that are dark blue are programmable blocks. Clicking a dark blue block icon opens a configurable pop-up window that allows customization for the data capture, as shown for the Channel 1 input range (see Figure 13). Figure 10. ACE Software Main Window Rev. A | Page 8 of 15 UG-1225 16428-013 EVAL-AD7606BFMCZ User Guide 16428-014 Figure 11. Board View Figure 12. Chip View Rev. A | Page 9 of 15 EVAL-AD7606BFMCZ User Guide 16428-015 UG-1225 16428-016 Figure 13. Pop-Up Configurable Window Figure 14. Memory Map View Apply Changes DESCRIPTION OF MEMORY MAP WINDOW Click Proceed to Memory Map in the chip view to open the window shown in Figure 14. The memory map shows all registers of the AD7606B. The registers are in default values when powered up. To implement the values changed in all of the registers, click Apply Changes to write to the registers. Rev. A | Page 10 of 15 EVAL-AD7606BFMCZ User Guide UG-1225 Apply Selected Reset Chip In some cases, the values of all registers are changed, but the user wants to implement changes on a selected register only. Click Apply Selected to write the new value on the selected register to the AD7606B. Clicking Reset Chip causes the software to reset the AD7606B. Read All Diff Clicking Diff checks for difference in register values between software and chip. Software Defaults Clicking Read All results in a read of the values of all the registers from the chip. To revert the register values back to their defaults, click Software Default, and then click Apply Changes to write to the AD7606B. Read Selected Clicking Read Selected results in a read of the selected register from the chip. Rev. A | Page 11 of 15 EVAL-AD7606BFMCZ User Guide 16428-017 UG-1225 Figure 15. Analysis View DESCRIPTION OF ANALYSIS WINDOW Click Proceed to Analysis in the chip view to open the window, as shown in Figure 15. The analysis view contains the Waveform tab, Histogram tab, and FFT tab. WAVEFORM TAB The Waveform tab displays data in form of time vs. discrete data values with the results, as shown in Figure 16. The Capture pane contains capture settings, which reflect into the registers automatically before data capture. Capture General Capture Settings The Sample Count list allows the user to select the number of samples per channel per capture. The user can enter the input sample frequency in kSPS in the Throughput(kSPS) box. Refer to the AD7606B data sheet to determine the maximum sampling frequency for the selected mode. Device Configuration The Mode list can be set between hardware mode, meaning that the device is configured through digital input pins, or software mode, which allows reading and writing the memory map and enables a wider range of features. Refer to the AD7606B data sheet to determine the benefits of each mode. The Parallel/Serial Capture list allows the user to select the data interface between parallel or serial. AD7606B data sheet to determine the maximum oversampling ratio for the selected oversampling mode. The Input Range, when hardware mode is enabled, allows selection between 10 V and 5 V. In software mode, the input span is selected either in the memory map or the pop-up menu in chip view (see Figure 13). The Toggle Reset Pin button allows the user to issue a full reset to the AD7606B. Refer to the AD7606B data sheet for information on the different types of reset available on the device. Run Once Click Run Once to start a data capture of the samples at the sample rate specified in the Throughput(KSPS) box for the number of samples stated in Sample Count list. These samples are stored on the FPGA device and are only transferred to the PC when the sample frame is complete. Run Continuously Click Run Continuously to start a data capture that gathers samples continuously with one batch of data at a time. The Run Once operation is run continuously. Results Display Channels Display Channels allows the user to select the channels to capture. The channel data is shown only if that channel is selected before the capture. Waveform Results The Oversampling Ratio list can be set between 2 and 64 (in hardware mode) or 256 (in software mode) and provides improved signal-to-noise ratio (SNR) performance. Refer to the Waveform Results displays amplitude, sample frequency, and noise analysis data for the selected channels. Rev. A | Page 12 of 15 EVAL-AD7606BFMCZ User Guide UG-1225 Export Capture Data Click Export to export captured data. The waveform, histogram, and FFT data is stored in .xml files along with the values of parameters at capture. Waveform Graph The data waveform graph shows each successive sample of the ADC output. The user can zoom and pan the waveform using the embedded waveform tools. The channels to display can be selected in Display Channels. Display Units and Axis Controls HISTOGRAM TAB The Histogram tab contains the histogram graph and the results pane, as shown in Figure 17. Results Results displays the information related to the dc performance. Histogram Graph The histogram graph displays the number of hits per code within the sampled data. This graph is useful for dc analysis and indicates the noise performance of the device. 16428-018 Click the Display Units dropdown list to select whether the data graph displays in units of hexadecimal, volts, or codes. The axis controls are dynamic. When selecting either y-scale dynamic or x-scale dynamic, the corresponding axis width automatically adjusts to show the entire range of the ADC results after each batch of samples. Figure 16. Waveform Tab Rev. A | Page 13 of 15 EVAL-AD7606BFMCZ User Guide 16428-019 UG-1225 16428-020 Figure 17. Histogram Tab FFT TAB Figure 18. FFT Tab Windowing Figure 18 shows the FFT tab, which displays fast Fourier transform (FFT) information for the last batch of samples gathered. Analysis General Settings The Windowing pane allows the user to select the windowing type used in the FFT analysis, the number of harmonic bins, and the number of fundamental bins that must be included. The General Settings pane allows the user to set up the preferred configuration of the FFT analysis, including how many tones are analyzed. The fundamental is set manually. Rev. A | Page 14 of 15 EVAL-AD7606BFMCZ User Guide UG-1225 Single Tone Analysis and Two Tone Analysis Noise The Single Tone Analysis and Two Tone Analysis panes allow the user to select the fundamental frequency included in the FFT analysis. Use Two Tone Analysis when there are two frequencies that must be analyzed. The Noise pane displays the SNR and other noise performance results. Results Signal The Signal pane displays the sample frequency, fundamental frequency, and fundamental power. Distortion The Distortion pane displays the harmonic content of the sampled signal and dc power when viewing the FFT analysis. EXITING THE SOFTWARE To exit the software, click File and then click Exit. 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. 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