ADS42LB69EVM

User's Guide SLAU465A – October 2012 – Revised June 2014 ADS42LBx9EVM The ADS42LB49 and ADS42LB69 are dual-channel, 250-MSPS, analog-to-digital converters that are 14bit and 16-bit resolutions, respectively. The ADS42LB49EVM and ADS42LB69EVM (ADS42LBx9EVM) are specifically suited for interfacing with TI’s TSW1400EVM to capture and display waveforms from the ADC. The EVM schematic, BOM, and layout files are found in the design package in the ADS42LB69EVM product folder on www.ti.com. 1 2 3 Contents Introduction ................................................................................................................... 1.1 Overview ............................................................................................................. 1.2 Block Diagram ....................................................................................................... Software Control ............................................................................................................. 2.1 Installation Instructions ............................................................................................. 2.2 Software Operation ................................................................................................. Basic Test Setup ............................................................................................................. 3.1 Test Block Diagram ................................................................................................. 3.2 TSW1400EVM Setup............................................................................................... 3.3 ADS42LBx9EVM Quick-Start Procedure ........................................................................ 2 2 2 3 3 4 7 7 7 8 List of Figures 1 Block Diagram of the ADS42LBx9EVM ................................................................................... 2 2 Block Diagram Windows of the ADS42LBx9 GUI v2.0 ................................................................. 4 3 Controls Tab of the ADS42LBx9 GUI v2.0 ............................................................................... 5 4 Registers Tab of the ADS42LBx9 GUI v2.0 .............................................................................. 6 5 Quick Start Test Setup for the ADS42LBx9EVM ........................................................................ 7 6 ADS42LB69 Sample Capture using the TSW1400 ..................................................................... 9 List of Tables 1 Input and Output Connectors and Jumper Descriptions of the ADS42LBx9EVM ................................... 3 SLAU465A – October 2012 – Revised June 2014 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated ADS42LBx9EVM 1 Introduction 1 Introduction 1.1 Overview www.ti.com The ADS42LB49EVM and ADS42LB69EVM (ADS42LBx9EVM) are evaluation modules (EVMs) that allow for the evaluation of TI's ADS42LB49 and ADS42LB69. The ADS42LB49 and ADS42LB69 (ADS42LBx9) are dual-channel, low-power, 250-MSPS analog-to-digital converters (ADC) with 14-bit and 16-bit resolutions, respectively and buffered analog inputs and LVDS outputs. The EVM has transformer coupled analog and clock inputs to accommodate a wide range of signal sources and frequencies. The ADS42LBx9 is programmable through an easy-to-use software GUI enabling quick configuration for a variety of uses. The ADS42LBx9EVM is designed to mate with the TSW1400EVM which is a full-function data-capture card. The High Speed Data Converter Pro (HSDCPro) software GUI can then process the data from the TSW1400EVM to quickly assess the performance of the ADS42LBx9. It is also compatible with Altera and Xilinx FPGA development platforms which have FMC or HSMC connectors, via the appropriate interposer card. 1.2 Block Diagram The block diagram for the ADS42LBx9EVM is shown in Figure 1. The various inputs, outputs, and jumpers of the ADS42LBx9EVM are described in Table 1. Figure 1. Block Diagram of the ADS42LBx9EVM Microsoft, Windows are registered trademarks of Microsoft Corporation. 2 ADS42LBx9EVM SLAU465A – October 2012 – Revised June 2014 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated Software Control www.ti.com Table 1. Input and Output Connectors and Jumper Descriptions of the ADS42LBx9EVM 2 Component Description A_INP Single-ended analog input for channel A B_INM Single-ended analog input for channel B CLK_INM Single-ended ADC clock input J8 Positive power connection (3.3 V) J9 Negative power connection (GND) USB USB connection LVDS OUT LVDS connector to connect to the TSW1400 SYNCIN ADC sync input RESET Switch to reset the ADC using the RESET pin JP4 ADC CNTRL1 pin, controls power down modes (default: short 2-3) JP3 ADC CNTRL2 pin, controls power down modes (default: short 2-3) Software Control This section provides installation instructions for the ADS42LBx9 GUI and descriptions of the various controls. 2.1 Installation Instructions 1. The software can be downloaded from the ADS42LB69EVM product page on www.ti.com. Find the page by searching for ADS42LB69EVM. 2. Extract the files from the zip file named ADS42LBx9 GUI vXpY installer.zip where XpY represents the version number. 3. Run setup.exe and follow the installation prompts. 4. Start the GUI by going to Start Menu → All Programs → Texas Instruments ADCs → ADS42LBx9 GUI. 5. When plugging the board into the computer for the first time through the USB cable, you are prompted to install the USB drivers: • Microsoft® Windows® XP: If Windows XP does not automatically install the drivers, follow the prompts on the screen to do so. Do not let Windows XP search Microsoft Update for the drivers, but do let Windows XP install the drivers automatically. • Windows 7: After installing the GUI, Windows 7 should automatically be able to install the drivers for the ADS42LBx9EVM with no user input. SLAU465A – October 2012 – Revised June 2014 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated ADS42LBx9EVM 3 Software Control 2.2 www.ti.com Software Operation The software GUI allows full programming control of the ADS42LBx9 device. Figure 2 shows the GUI front panel which contains a block diagram of the ADS42LBx9. Detailed descriptions for each screen of the GUI are given in this section. Please refer to the ADS42LBx9 datasheet (SLAS904) for more detailed explanations of the register fields. 2.2.1 Block Diagram Tab Figure 2 shows the top-level view of the GUI which contains the block diagram of the ADS42LBx9. Along the top of the GUI is an indicator which informs of the USB connection status and a button to re-establish the connection with the ADS42LBx9 EVM. Having the USB link disconnected or having the drivers of the EVM not installed will turn this indicator off. On the bottom side of the GUI a status bar reports the current application state. Double clicking on the left field of the status bar displays the complete status log of the application in a separated window. Figure 2. Block Diagram Windows of the ADS42LBx9 GUI v2.0 4 ADS42LBx9EVM SLAU465A – October 2012 – Revised June 2014 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated Software Control www.ti.com 2.2.2 Controls Tab The Controls tab of the ADS42LBx9 GUI enables quick configuration of key parameters of the data converter. For more configuration options, refer to Section 2.2.3. Figure 3. Controls Tab of the ADS42LBx9 GUI v2.0 SLAU465A – October 2012 – Revised June 2014 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated ADS42LBx9EVM 5 Software Control 2.2.3 www.ti.com Registers Tab The Registers tab is used to access the ADC registers as well as loading or saving a configuration. Figure 4 shows a screenshot of the Registers tab. Figure 4. Registers Tab of the ADS42LBx9 GUI v2.0 6 ADS42LBx9EVM SLAU465A – October 2012 – Revised June 2014 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated Basic Test Setup www.ti.com 3 Basic Test Setup This section outlines basic testing of the ADS42LBx9EVM. 3.1 Test Block Diagram The test setup for the ADS42LBx9EVM is shown in Figure 5. The TSW1400EVM is used to capture data from the ADS42LBx9, which is then transferred to the computer for analysis in the HSDCPro software tool. The analog signal source shown is an HP8644B signal generator, however any analog signal source can be used. The clock source is also an HP8644B, but other clock sources can be used, such as a TI clockchip EVM. Note that there are filters on both the analog and clock sources, which is necessary to achieve the best performance. Figure 5. Quick Start Test Setup for the ADS42LBx9EVM 3.2 TSW1400EVM Setup See the TSW1400EVM User's Guide (SLWU079) for a more detailed explanation of the TSW1400 setup and its features. This document assumes that the HSDCPro software and the TSW1400 pattern capture and generation board are both installed and functioning properly. This information can be found at http://www.ti.com/tool/tsw1400evm http://www.ti.com/tool/tsw1400evm. SLAU465A – October 2012 – Revised June 2014 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated ADS42LBx9EVM 7 Basic Test Setup www.ti.com 3.3 ADS42LBx9EVM Quick-Start Procedure 3.3.1 TSW1400 Data Capture Card 1. Connect a 5-V power supply to connector J12 of the TSW1400EVM. 2. Flip switch SW7 to the ON position. 3. Insert a USB cable into the USB port on the TSW1400. Connect the other end to the PC. 3.3.2 ADS42LBx9EVM 1. Connect a 3.3-V power supply to the banana jacks, J8 and J9. Connect the positive end to J8 and the negative end to J9. 2. Connect a USB cable to the USB port on the ADS42LBx9EVM and connect the other end to the PC. 3. Connect a clock to the SMA connector labeled CLK_INM. The maximum clock frequency is 250 MHz and the clock should be around 1 Vpp. A smaller voltage may reduce the SNR performance. A bandpass filter should be placed on the clock in order to achieve the best SNR performance. 4. Connect a signal source to either analog input SMA connector, A_INP or B_INM. For single-tone testing, a bandpass filter should be used to achieve the best SNR and harmonic performance. 5. Connect the ADS42LBx9EVM to the TSW1400 by connecting J7 on the ADS42LBx9EVM to the ADC Interface connector on the bottom of the TSW1400. 6. Press the RESET switch, SW1 on the ADS42LBx9EVM. 3.3.3 ADS42LBx9 GUI 1. Start the ADS42LBx9 GUI by selecting Start Menu → Program Files → Texas Instruments ADCs → ADS42LBx9 GUI. 2. Verify that the board is properly connected by looking at the USB Status indicator on the top right corner of the GUI. If the indicator is not green then click Reconnect FTDI ? until the connection with the board is established. 3. Follow the instructions displayed on the Block Diagram to program the ADC. 3.3.4 1. 2. 3. 4. 5. 6. 7. 8. 8 High Speed Data Converter Pro (HSDCPro) Start the HSDCPro software tool by selecting Start Menu → All Programs → Texas Instruments ADCs → High Speed Data Converter Pro. When prompted for the serial number of the board, select the serial number that represents the TSW1400 that has been connected to the ADS42LBx9. This number is on a sticker on the TSW1400 board. Click the ADC tab to display the ADC working environment. In the Select ADC drop-down box select either ADS42LB49 or ADS42LB69, depending on which EVM is being used. If it asks to download the firmware, select Yes. Multiple LEDs light up on the TSW1400, once the firmware has finished downloading. Select Single Tone from the Test Selection drop-down menu. At the bottom-left corner, enter 250M in the ADC Output Data Rate box, or another value if a clock other than 250 MHz is used. Enter the input frequency into the ADC Input Target Frequency box. Press the Enter key. If a windowing function is desired, then Blackman should be selected above the plot window. If the signals are synchronized and coherent, select Rectangular. All boards and software are now setup. Click the Capture button. A sample capture is shown in Figure 6 for the ADS42LB69 with a 250-MHz clock and 10-MHz input frequency. ADS42LBx9EVM SLAU465A – October 2012 – Revised June 2014 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated Basic Test Setup www.ti.com Figure 6. ADS42LB69 Sample Capture using the TSW1400 SLAU465A – October 2012 – Revised June 2014 Submit Documentation Feedback Copyright © 2012–2014, Texas Instruments Incorporated ADS42LBx9EVM 9 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES 1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein. Acceptance of the EVM is expressly subject to the following terms and conditions. 1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. 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Unless the assembled kit is designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter. 3.1.2 For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant: CAUTION This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC Interference Statement for Class A EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • • • • Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. 3.2 Canada 3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210 Concerning EVMs Including Radio Transmitters: This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Concernant les EVMs avec appareils radio: Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. 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Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. 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 3.3 Japan 3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に 輸入される評価用キット、ボードについては、次のところをご覧ください。 http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified by TI as conforming to Technical Regulations of Radio Law of Japan. If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required by Radio Law of Japan to follow the instructions below with respect to EVMs: 1. 2. 3. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of Japan, Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs, or Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan. SPACER SPACER SPACER SPACER SPACER 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 2. 3. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 実験局の免許を取得後ご使用いただく。 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ い。http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page SPACER 4 EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices. The notices contain important safety information related to, for example, temperatures and voltages. 4.3 Safety-Related Warnings and Restrictions: 4.3.1 User shall operate the EVM within TI’s recommended specifications and environmental considerations stated in the user guide, other available documentation provided by TI, and any other applicable requirements and employ reasonable and customary safeguards. Exceeding the specified performance ratings and specifications (including but not limited to input and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or property damage. If there are questions concerning performance ratings and specifications, User should contact a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the specified output range may also result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or interface electronics. Please consult the EVM user guide prior to connecting any load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative. During normal operation, even with the inputs and outputs kept within the specified allowable ranges, some circuit components may have elevated case temperatures. These components include but are not limited to linear regulators, switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the information in the associated documentation. When working with the EVM, please be aware that the EVM may become very warm. 4.3.2 EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components, systems, and subsystems. User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees, affiliates, contractors or designees. User assumes all responsibility and liability to ensure that any interfaces (electronic and/or mechanical) between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard. User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or designees. 4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal, state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local requirements. 5. Accuracy of Information: To the extent TI provides information on the availability and function of EVMs, TI attempts to be as accurate as possible. However, TI does not warrant the accuracy of EVM descriptions, EVM availability or other information on its websites as accurate, complete, reliable, current, or error-free. SPACER SPACER SPACER SPACER SPACER SPACER SPACER 6. Disclaimers: 6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY WRITTEN DESIGN MATERIALS PROVIDED WITH THE EVM (AND THE DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL FAULTS." TI DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADE SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS. 6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS AND CONDITIONS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD PARTY, TO USE THE EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY INVENTION, DISCOVERY OR IMPROVEMENT MADE, CONCEIVED OR ACQUIRED PRIOR TO OR AFTER DELIVERY OF THE EVM. 7. USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. 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EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST OF REMOVAL OR REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, RETESTING, OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS, LOSS OF SAVINGS, LOSS OF USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED. 8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY WARRANTY OR OTHER OBLIGATION ARISING OUT OF OR IN CONNECTION WITH THESE TERMS AND CONDITIONS, OR ANY USE OF ANY TI EVM PROVIDED HEREUNDER, EXCEED THE TOTAL AMOUNT PAID TO TI FOR THE PARTICULAR UNITS SOLD UNDER THESE TERMS AND CONDITIONS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE CLAIMED. THE EXISTENCE OF MORE THAN ONE CLAIM AGAINST THE PARTICULAR UNITS SOLD TO USER UNDER THESE TERMS AND CONDITIONS SHALL NOT ENLARGE OR EXTEND THIS LIMIT. 9. Return Policy. Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s) will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s), excluding any postage or packaging costs. 10. Governing Law: These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas, without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas. 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