Texas Instruments DACx760EMC-EVM User Manual
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Texas Instruments DACx760EMC-EVM User Manual

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This user's guide describes the characteristics, operation, and use of the DAC7760 and DAC8760
(DACx760) evaluation boards (EMC-EVMs). This user's guide also discusses how to set up and configure
the software and hardware, and reviews various aspects of the program operation. Throughout this
document, the terms DAC8760EMC-EVM, evaluation board, evaluation module, and EVM are
synonymous with the DACx760EMC-EVM. This user's guide also includes information regarding operating
procedures and input/output connections, an electrical schematic, printed circuit board (PCB) layout
drawings, and a parts list for the EVM.
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Microsoft, Windows are registered trademarks of Microsoft Corporation.
SPI is a trademark of Motorola Inc.
SBAU229 - April 2014
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DACx760EMC-EVM

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Summary of Contents for Texas Instruments DACx760EMC-EVM

  • Page 1: Table Of Contents

    Throughout this document, the terms DAC8760EMC-EVM, evaluation board, evaluation module, and EVM are synonymous with the DACx760EMC-EVM. This user's guide also includes information regarding operating procedures and input/output connections, an electrical schematic, printed circuit board (PCB) layout drawings, and a parts list for the EVM.
  • Page 2 ....................CRC Enable and Dialog ................CLRSEL Drop-Down Menu and Clear Button ................DACx760EMC-EVM Assembly Drawing List of Tables ............Contents of DACx760EMC-EVM and DACx750EMC-EVM Kit ..................... Related Documentation ....................SM-USB-DIG Connector DACx760EMC-EVM SBAU229 – April 2014 Submit Documentation Feedback...

  • Page 3: Overview

    The following documents provide information regarding Texas Instruments integrated circuits used in the assembly of the DACx760EMC-EVM and DACx750EMC-EVM. This user's guide is available from the TI web site under literature number SBAU205. Any letter appended to the literature number corresponds to the document revision that is current at the time of the writing of this document.

  • Page 4: Evm Hardware Setup

    DAC. Note that DACx750 only features current outputs (IOUT), but also includes a test point for R3- SENSE. External Power Power VOUT Protection Circuit Isolation (to SM-USB-DIG) DAC8760 IOUT Protection Circuit Figure 2. DAC8760EVM Block Diagram DACx760EMC-EVM SBAU229 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...

  • Page 5: Signal Definitions Of J1 (10-Pin Male Connector Socket)

    SM-USB-DIG Platform. This platform is a general-purpose data- acquisition system that is used on several different Texas Instruments evaluation modules. The details of operation are included in SBOU098, SM-USB-DIG Platform User's Guide. The block diagram shown in Figure 3 is given as a brief overview of the platform.

  • Page 6: Evm Hardware Overview

    10-pin connectors together as shown in Figure 4. Make sure that the two connectors are completely pushed together; loose connections may cause intermittent operation. Figure 4. SM-USB-DIG Connection to the DAC8760EVM DACx760EMC-EVM SBAU229 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...

  • Page 7: Connecting The Usb Cable To The Sm-Usb-Dig Platform

    Terminal block J2 allows for external voltage sources to be connected to the AVDD and AVSS supply rails of the DACx760. Note that the DACx750 devices feature only AVDD supplies. The DACx760EMC-EVM only requires an AVSS supply if the DACx760 is used in ±5 V or ±10 V mode. If bipolar output is not required, jumper JP1 can be shunted to connect AVSS to GND, or GND may be connected at J2.

  • Page 8: Evm Features

    IEC61000-4 test suite. For full details concerning the design of these circuits and the design considerations for the layout of this PCB, please refer to TIPD153. Figure 6. Hardware Features DACx760EMC-EVM SBAU229 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...

  • Page 9: Evm Software Setup

    To install the software, insert the included CD into an available CD- ROM drive. Navigate to the drive contents and open the DAC8760EVM software folder. Locate the compressed file named DACx760EMC-EVM.zip or DACx750EMC-EVM.zip and open it. Extract the EVM files into a specific folder (for example, C:\DAC8760EVM) on your hard drive.

  • Page 10: Dac8760Evm Install Path

    Figure Figure 9. DAC8760EVM Software License Agreements After accepting the Texas Instruments and National Instruments license agreements, the progress bar opens and shows the installation of the software. Once the installation process is completed, click Finish. DACx760EMC-EVM SBAU229 – April 2014 Submit Documentation Feedback Copyright ©...

  • Page 11: Evm Software Overview

    USB human interface device driver on your PC. Make sure that the device is recognized when the USB cable is plugged in, indicated by a Windows-generated confirmation sound. Figure 11. Communication Error with SM-USB-DIG Platform SBAU229 – April 2014 DACx760EMC-EVM Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...

  • Page 12: Evm Software Features

    DACx760 or DACx750 successfully stored the data. More information about the individual registers can be found by pressing the Help w/ Reg button. DACx760EMC-EVM SBAU229 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...

  • Page 13: Resetting Dac8760

    DAC value is reset. The Output Enable toggle button sets the OUTEN bit in the control register to high, which enables either the I or V functions. SBAU229 – April 2014 DACx760EMC-EVM Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...

  • Page 14: Dual Output Enable

    The Cal. Enable toggle button applies the gain and offset to the data register. After reading all registers, the DAC Value field shows the changes. Figure 18. Calibration Registers DACx760EMC-EVM SBAU229 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...

  • Page 15: Setting Slew Rates

    DACx750 set the voltage out to midscale (negative full-scale when in bipolar mode for DACx760 devices) if either the CLR-SEL pin is high or the register is set to midrange. Figure 21. CLRSEL Drop-Down Menu and Clear Button SBAU229 – April 2014 DACx760EMC-EVM Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...

  • Page 16: Pcb Assembly Drawings, Bill Of Materials, And Schematics

    PCB Assembly Drawings, Bill of Materials, and Schematics This section contains the schematics, PCB layouts, and bills of materials for the DACx760EMC-EVM and DACx750EMC-EVM. Documentation information for the SM-USB-DIG Platform can be found in SBOU098, SM-USB-DIG Platform User’s Guide, available at the TI web site at http://www.ti.com.

  • Page 17: Dacx760Emc-Evm Bill Of Materials

    PCB Assembly Drawings, Bill of Materials, and Schematics www.ti.com DACx760EMC-EVM Bill of Materials DACx760EMC-EVM Bill of Materials lists the bill of materials for the DACx760EMC-EVM. DACx760EMC-EVM Bill of Materials Item DAC8760 DAC7760 Designator Description Manufacturer Part Number Printed Circuit Board...
  • Page 18 Assembly Variant: Variant name not interpreted Sheet: warrant that this design will meet the specifications, will be suitable for your application or fit for any particular purpose, or will operate in an implementation. Texas Instruments and/or its Drawn By: File: DAC8760EMC-EVM_A.SchDoc...
  • Page 19 ADDITIONAL TERMS AND CONDITIONS, WARNINGS, RESTRICTIONS, AND DISCLAIMERS FOR EVALUATION MODULES Texas Instruments Incorporated (TI) markets, sells, and loans all evaluation boards, kits, and/or modules (EVMs) pursuant to, and user expressly acknowledges, represents, and agrees, and takes sole responsibility and risk with respect to, the following: 1.
  • Page 20 RADIO FREQUENCY REGULATORY COMPLIANCE INFORMATION FOR EVALUATION MODULES Texas Instruments Incorporated (TI) evaluation boards, kits, and/or modules (EVMs) and/or accompanying hardware that is marketed, sold, or loaned to users may or may not be subject to radio frequency regulations in specific countries.
  • Page 21 Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2014, Texas Instruments Incorporated spacer Important Notice for Users of EVMs Considered “Radio Frequency Products”...
  • Page 22 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.
  • Page 23 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments DAC8760EMC-EVM DAC7760EMC-EVM...

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