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This user's guide describes the characteristics, operation, and use of the PGA112EVM and PGA113EVM
evaluation boards. It also describes how to set up and configure the software and hardware, and reviews
various aspects of program operation. Throughout this document, the terms PGA112EVM, PGA113EVM,
PGA112EVM/PGA113EVM, evaluation board, evaluation module, and EVM are synonymous with the
PGA112EVM and PGA113EVM. 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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All other trademarks are the property of their respective owners.
SBOU073A - February 2009 - Revised May 2012
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PGA112EVM and PGA113EVM User's Guide
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Copyright © 2009-2012, Texas Instruments Incorporated
SBOU073A - February 2009 - Revised May 2012
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Summary of Contents for Texas Instruments PGA112EVM

  • Page 1: Table Of Contents

    SBOU073A – February 2009 – Revised May 2012 PGA112EVM and PGA113EVM User’s Guide This user's guide describes the characteristics, operation, and use of the PGA112EVM and PGA113EVM evaluation boards. It also describes how to set up and configure the software and hardware, and reviews various aspects of program operation.
  • Page 2: Overview

    The following document provides information regarding Texas Instruments integrated circuits used in the assembly of the PGA112EVM and PGA113EVM. This user's guide is available from the TI web site under literature number SBOU073. 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 3: Evm Hardware Setup

    PGA112 (or PGA113) device. The PGA112EVM and PGA113EVM feature a test point for the VREF input of the PGA112 and PGA113, respectively. By default, VREF is shorted to ground, but can be disconnected with the removal of R2.
  • Page 4: Sm-Usb-Dig Platform Block Diagram

    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 its operation are included in the SM-USB-DIG Platform User's Guide (SBOU098). The block diagram...
  • Page 5: Evm Hardware Overview

    Electrostatic Discharge Warning Many of the components on the PGA112EVM and PGA113EVM are susceptible to damage by electrostatic discharge (ESD). Customers are advised to observe proper ESD handling precautions when unpacking and handling the EVM, including the use of a grounded wrist strap at an approved ESD workstation.
  • Page 6: Pga112Evm Hardware (Note That The Pga113Evm Is Identical Except For The Device Name)

    AVDD and GND test points. The SM-USB-DIG Plartform can supply 5 V or 3.3 V to the EVM. EVM Features This section describes some of the hardware features present on the PGA112EVM and PGA113EVM boards. Note that these two EVMs are identical except for the device name. 3.5.1...
  • Page 7: Evm Software Setup

    The EVM software is included on the CD that is shipped with the EVM kit. It is also available through the PGA112EVM or PGA113EVM product folder on the TI web site. To install the software to your system, insert the disc into an available CD-ROM drive and navigate to the drive contents. Locate the compressed file (PGA112-113EVM-Software), open it, find the setup.exe file (as shown in...
  • Page 8: Install Path

    8. Following this step, two license agreements are presented that must be accepted. After accepting the Texas Instruments and National Instruments license agreements, the progress bar opens and shows the installation of the software. After the installation process is completed, click Finish.
  • Page 9: Evm Software Overview

    Programs, and then select the PGA112-113EVM program. Figure 9 illustrates how the software should appear at launch if the PGA112EVM (or PGA113EVM) is functioning properly. Figure 9. EVM Software Interface SBOU073A – February 2009 – Revised May 2012 PGA112EVM and PGA113EVM User’s Guide Submit Documentation Feedback Copyright ©...
  • Page 10: Communication Error With Sm-Usb-Dig Platform

    EVM Software Features 5.2.1 Selecting Correct EV The EVM software can be configured to communicate to either the PGA112EVM or the PGA113EVM. The Part Type selection field is used to select the correct device, as shown in Figure 11. This setting is automatically saved.
  • Page 11: Individual Bits Panel And Help W Reg Button

    13. Disable the voltage from the SM-USB-DIG Platform by toggling the Power button. Figure 13. Setting DVDD Voltage SBOU073A – February 2009 – Revised May 2012 PGA112EVM and PGA113EVM User’s Guide Submit Documentation Feedback Copyright © 2009–2012, Texas Instruments Incorporated...
  • Page 12: Input Mux Configuration

    Use the Gain drop-down menu shown in Figure 15 to configure the PGA112 (or PGA113) device gain value. Figure 15. Setting the Gain PGA112EVM and PGA113EVM User’s Guide SBOU073A – February 2009 – Revised May 2012 Submit Documentation Feedback Copyright © 2009–2012, Texas Instruments Incorporated...
  • Page 13: Evm Documentation

    EVM Documentation This section contains the complete bill of materials, schematic diagram, and PCB layout for the PGA112EVM and PGA113EVM. Documentation information for the SM-USB-DIG Platform can be found in the SM-USB-DIG Platform User’s Guide, SBOU098, available for download at www.ti.com.
  • Page 14: Evm Schematic

    EVM Schematic Figure 16 shows the schematic for the PGA112EVM. Note that the PGA113 schematic is identical except for the device name. Figure 16. EVM Schematic PGA112EVM and PGA113EVM User’s Guide SBOU073A – February 2009 – Revised May 2012 Submit Documentation Feedback Copyright ©...
  • Page 15: Pcb Component Layout

    PCB Layout Figure 17 shows the layout of the components for the PGA112EVM board. Note that the PGA113EVM layout is identical, except for the device name. Figure 17. PCB Component Layout SBOU073A – February 2009 – Revised May 2012 PGA112EVM and PGA113EVM User’s Guide...
  • Page 16 EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards.
  • Page 17 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments PGA113EVM-B PGA112EVM-B...

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Pga113evm

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