ADS1293EVM

User’s Guide January23, 2013 ADS1293EVM User’s Guide CONTENTS 1 INTRODUCTION................................................................................................................ 2 2 SETUP ............................................................................................................................... 2 3 SCHEMATIC .................................................................................................................... 10 LIST OF FIGURES Figure 1: Executable File........................................................................................................................................ 3 Figure 2: New Hardware ........................................................................................................................................ 3 Figure 3: Choose Installation Method ..................................................................................................................... 4 Figure 4: Choosing MSP430 Driver ........................................................................................................................ 4 Figure 5: ADS1293EVM Top View.......................................................................................................................... 5 Figure 6: ADS1293VM Bottom View ....................................................................................................................... 5 Figure 7: 3-LEAD ECG Connection ........................................................................................................................ 6 Figure 8: Register Map ........................................................................................................................................... 7 Figure 9: ECG Plot for 2-channels (3-lead) measurements ..................................................................................... 7 Figure 10: 5-Lead Application................................................................................................................................. 8 Figure 11: Register Map ......................................................................................................................................... 9 Figure 12: ECG Plot for 3-channels (5-lead) measurement ..................................................................................... 9 Figure 13: ADS1293EVM Schematic .....................................................................................................................12 LIST OF TABLES Table 1: Device and Package Configuration ........................................................................................................... 2 September 2012 SNAU138 ADS1293EVM User’s Guide 1 Setup 1. Introduction The Texas Instruments’ ADS1293EVM evaluation module (EVM) helps designers evaluate the operation and performance of the ADS1293, Low Power Scalable 24-Bit Analog Front End for ECG Monitoring. The device offers configurability and can be setup to perform a 3-Lead or 5-Lead configuration using an ECG Simulator. The EVM contains one device (See Table 1). Table 1: Device and Package Configuration U1 2. IC PACKAGE ADS1293 LLP-28 Setup This section describes the jumpers and connectors on the EVM, software installation, and how to properly connect, set up, and use the ADS1293EVM. 2.1. Input/Output Connector Description JP1: Battery is the battery input terminal for the ADS1293. J2: SPI Probe is a header that allows user to probe the ADS1293’s DRDYB, SDO, SDI, SCLK, CSB, and ALARMB pins. JP2: VDD_JMP is the power input terminal for the ADS1293. The jumper header provides a power (VDD_JMP) to the analog power supply, VDD. If a cleaner source is preferred, remove the shunt and apply an external source to test pin VDD_INP. JP3: VDDIO_JMP is the power input terminal for the ADS1293. The jumper header provides a power (VDDIO_JMP) to the digital IO power supply, VDDIO. If a cleaner source is preferred, remove the shunt and apply an external source to test pin VDDIO. SW1: Input is the switch that allows user to reset the ADS1293 device. SW2: Input is the switch that allows user to reset the USB power. 2 TPS54362EVM User’s Guide September 2012 Setup 2.2. Software Installation To ensure that you are using the latest version of ADS1293 software, you can download from our website at http://www.ti.com/product/ads1293. You must install the software before you connect the ADS1293EVM to your PC. To install the ADS1293 Software:  Log onto http://www.ti.com/product/ads1293, then scroll down to the “Software” section to download the latest ADS1293 Medical AFE software.  Unzip the file that you downloaded into a known directory, and run the “TI_MedicalAFE_ADS1293_vx.x.x.x.exe” Figure 1: Executable File   When you see the Welcome screen as shown below, follow the instructions by clicking the “Next” button on the screen to install the software. When the installation is finished, please click the “Finish” button Figure 2: New Hardware September 2012 TPS54362EVM User’s Guide 3 Setup  Before you launch the ADS1293 software, connect the ADS1293EVM device to a USB port of your PC. Go to your computer’s “Device Manager” and find “TI, MSP430” (see image below). Right click on this and choose “Update Driver Software”. Figure 3: Choose Installation Method  Find the MSP430 driver by looking under the location where you downloaded the ADS1293 software. This driver is located in the folders “hardware>>driver”. For example, the driver is probably located in the folder “C:\Program Files (x86)\Texas Instruments\ADS1293\hardware\driver” Figure 4: Choosing MSP430 Driver  4 Wait until installation completes before starting the software. TPS54362EVM User’s Guide September 2012 Setup 2.3. Operation The figure below shows the connection between the ADS1293EVM and a personal computer with the ADS1293’s software. The figures below show both the top and bottom of the board. For proper operation of the ADS1293EVM, J3 and J4 should be properly configured. For this quick start, connect the following jumpers: Jumper pins 1 & 2 of JP2 to connect VDD to 3.3V Jumper pins 1 & 2 of JP3 to connect VDDIO to 3.3V Figure 5: ADS1293EVM Top View Figure 6: ADS1293VM Bottom View September 2012 TPS54362EVM User’s Guide 5 Setup 2.3.1. 3-Lead ECG Application The following procedures show a quick method to assemble the ADS1293 and perform an evaluation for a 3-Lead configuration using an ECG Simulator.  Connect the following electrodes to the ADS1293EVM: Connect RA to IN1 Connect LA to IN2 Connect LL to IN3 Connect RL to IN4 Figure 7: 3-LEAD ECG Connection  Open the ADS1293 software. On the upper left hand side of the GUI, under the “Lead Configuration” field, choose the “3-Lead” application.  After the 3-lead application has been selected, the software will automatically change the registers for this application. To see what registers have been changed, click on the “Register Map” icon located on the upper left hand of the GUI (see image below). Setup Figure 8: Register Map  Click on the “Measurement” tab and set the Capture Mode to “run continuously”. Click on the “Run” button to view the output voltage plot. An ECG reading for 2 channels (similar to the image below) should have been plotted. Figure 9: ECG Plot for 2-channels (3-lead) measurements Setup 2.3.2. 5-Lead ECG Application The following procedures show a quick method to assemble the ADS1293 and perform an evaluation for a 5-Lead Configuration using an ECG Simulator.  Connect the following electrode to the ADS1293EVM Connect RA to IN1 Connect LA to IN2 Connect LL to IN3 Connect RL to IN4 Connect V1 to IN5 Figure 10: 5-Lead Application  Open the ADS1293 software. On the upper left hand side of the GUI, under the “Lead Configuration” field, choose the “5-Lead” application.  After the 3-lead application has been selected, the software will automatically change the registers for this application. To see what registers have been changed, click on the “Register Map” icon located on the upper left hand of the GUI (see image below). Setup Figure 11: Register Map  Click on the “Measurement” tab and set the Capture Mode to “run continuously”. Click on the “Run” button to view the output voltage plot. An ECG reading for 3 channels should have been plotted (see image below). Figure 12: ECG Plot for 3-channels (5-lead) measurement AGND 11 J1 5 9 4 8 3 7 2 6 1 DGND GND8 AGND GND 0 R5 DGND 0 R14 DGND 0 R6 GND DGND GND6 AGND GND RA LA LL RL V1 AGND AGND AGND CONNECTOR FOR ECG ECG_CON 10 CMOUT RLDOUT Ri 10.0k Rf 10Meg RA LA LL RL V1 VREF AGND C2 0.1µF VDD DGND 1 2 Y1 SW1 VDDIO VDDIO C6 22pF C5 22pF AGND C7 0.1µF Cf 1nF RLDREF RSTB 1.0Meg R13 1.0Meg R12 1 2 3 4 5 6 22 28 27 26 AGND 13 25 24 23 DAP R15 0 AGND C4 0.1µF DAP SYNCB RSTB XTAL2 XTAL1 CMOUT RLDOUT RLDINV RLDIN RLDREF IN1 IN2 IN3 IN4 IN5 IN6 VDDIO VDD VSS CVREF U1 ADS1293 ADS1293 CMOUT 8 RLDOUT 9 RLDINIV 10 RLDIN 11 RLDREF 12 RLDIN 0 0 0 0 0 0 DGND C1 0.1µF VDDIO RIN1 RIN2 RIN3 RIN4 RIN5 RIN6 XTAL IN1 IN2 IN3 IN4 IN5 IN6 AGND C3 1µF CVREF VDD VSSIO CLK WCT DRDYB SDO SDI SCLK CSB ALARMB 14 21 7 20 19 18 17 16 15 DGND CLK WCT R4 R2 DGND R11 DNP EXT_CLK WCT 51 51 ALARMB CSB SCLK SDI SDO DRDYB DRDYB SDO SDI SCLK CSB ALARMB CSB SCLK SDI SDO ALARMB DRDYB DRDYB SDO SDI SCLK CSB ALARMB 1 2 3 4 5 6 J2 DGND GND GND2 DGND GND GND1 SIGNALS TO MSP430 SPI_PROBE R9 1.0Meg VDDIO R1 1.0Meg VDDIO Setup 2.4. Schematic The following figures show the schematic for the ADS1293EVM: Setup USB_5P0V C8 0.1µF CUR_SENSE 7 VDD_INN AGND 2 VDD_INP 1 U2 INA333DGK 8 CUR_SENSE_OUT 0 R16 200 4 5 R3 6 V+ V- 3 AGND AGND VDD_3P3V 4 BATT BATT_LDO_OUT BATT BATT_LDO_OUT VDDIO C11 10nF L2 L1 RSHUNT Inductor 10mH Inductor 10mH 5 AGND C16 0.01µF AGND C17 0.1µF C15 10µF DGND AGND GND10 USB POWER J5 CASE 89 CONN_USB_1734328 1 V+ VBUS R17 2 DM 5 4 R19 C18 0.1µF 1 R21 BSL 1.2Meg 3 2 1 2 SW2 33k DGND PUR 1.5k GND IO2 IO1 R20 DP 33 IO3 6 5 V- IO4 VCC 4 NC DM 33 R18 3 DP VUSB C19 220pF U4 TPD4E004DRY DGND DGND USB_5P0V 1 GND12 3 LP2985AIM5-3.3/NOPBVDD_3P3V U5 5 IN OUT C20 2.2µF C21 0.01µF 4 ON/OFF CBYP GND 2 GND11 AGND DGND DGND AGND AGND FB1 1 VBUS 2 1 3 C23 22µF D1 C24 1µF LP2985AIM5-3.3/NOPB VDDIO_3P3V U6 5 IN OUT ON/OFF CBYP GND 2 1SMB5922BTS 4 C22 2.2µF C25 0.01µF DGND DGND DGND DGND DGND DGND VDDIO VDD 2 1 ON/OFF CBYP GND JP3 VDDIO_JMP VDDIO_3P3V VDDIO_3P3V 2 1 3 CASE C10 0.15µF VDD_3P3V JP2 VDD_JMP 11 10 BATT+ BATT- LP2985AIM5-3.3/NOPB BATT_LDO_OUT U3 1 5 IN OUT 2 2 1 DIGITAL IO SUPPLY ANALOG SUPPLY JP1 BATTERY DGND GND9 C13 0.01µF C14 0.1µF C12 10µF Setup 24.0 MHz 2 C26 30pF Y2 1 VDDIO_3P3V DGND C27 1 J6 JTAG_HEADER_2X7 JTAG 30pF VDDIO_3P3V R22 33k V18 V18 14 13 12 11 10 9 8 7 6 5 4 3 2 1 VUSB VUSB VBUS C29 2200pF VBUS DM DM PUR DGND 2 3 4 5 6 7 8 9 VDDIO_3P3V 10 11 12 13 14 15 C31 0.1µF 16 17 18 19 20 61 62 63 DGND P7.7/TB0CLK/MCLK P6.5/CB5/A5 P7.6/TB0.4 P6.6/CB6/A6 P7.5/TB0.3 P6.7/CB7/A7 P7.4/TB0.2 P7.0/CB8/A12 P5.7/TB0.1 P7.1/CB9/A13 P5.6/TB0.0 P7.2/CB10/A14 P4.7/PM_NONE MSP430F5529IPN P7.3/CB11/A15 P4.6/PM_NONE P5.0/A8/VREF+/VeREF+ P4.5/PM_UCA1RXD/PM_UCA1SOMI P5.1/A9/VREF-/VeREF- P4.4/PM_UCA1TXD/PM_UCA1SIMO U7 AVCC1 DVCC2 P5.4/XIN DVSS2 P5.5/XOUT P4.3/PM_UCB1CLK/PM_UCA1STE AVSS1 P4.2/PM_UCB1SOMI/PM_UCB1SCL P8.0 P4.1/PMUCB1SIMO/PM_UCB1SDA P8.1 P4.0/PM_UCB1STE/PM_UCA1CLK P8.2 P3.7/TB0OUTH/SVMOUT DVCC1 P3.6/TB0.6 DVSS1 P3.5/TB0.5 VCORE P3.4/UCAR0RXD/UCA0SOMI DGND CSB DRDYB ALARMB R26 51 CSB DRDYB Figure 13: ADS1293EVM Schematic P3.3/UCA0TXD/UCA0SIMO 40 P3.2/UCB0CLK/UCA0STE 39 P3.0/UCB0SIMO/UCB0SDA P3.1/UCB0SOMI/UCB0SCL 38 37 P2.6/RTCCLK/DMAEO P2.5/TA2.2 P2.7/UCB0STE/UCA0CLK 36 35 34 P2.3/TA2.0 P2.4/TA2.1 33 32 P2.2/TA2CLK/SMCLK 31 P2.1/TA2.1 P2.0/TA1.1 30 29 P1.5/TA0.4 P1.7/TA01.0 28 27 26 P1.3/TA0.2 P1.4/TA0.3 25 24 P1.2/TA0.1 23 P1.1/TA0.0 22 21 P1.0TA0CLK/ACLK DGND P1.6/TA1CLK/CBOUT C32 0.47µF ALARMB DP VSSU PU.0/DP 64 PU.1/DM PUR 65 66 VUSB VBUS 67 68 V18 69 P5.2/XT2IN AVSS2 70 71 P5.3/XT2OUT 72 TEST/SBWTCK 73 PJ.1/TDI/TCLK PJ.0/TDO 74 75 PJ.2/TMS 76 P6.4/CB4/A4 PJ.3/TCK 77 P6.0/CB0/A0 78 79 P6.1/CB1/A1 /RST/NMI/SBWTDIO 1 P6.2/CB2/A2 P6.3/CB3/A3 80 DP CUR_SENSE_OUT DGND PUR DGND CUR_SENSE_OUT C28 220pF 60 59 VDDIO_3P3V 58 R23 1.0Meg 57 56 SDO 55 54 SDI 53 52 51 50 R28 VDDIO_3P3V 51 49 C30 0.1µF 48 47 46 45 44 43 42 41 R25 DGND 51 SCLK Setup EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions: The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims arising from the handling or use of the goods. Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/ kit may be returned within 30 days from the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES. Please read the User's Guide and, specifically, the Warnings and Restrictions notice in the User's Guide prior to handling the product. This notice contains important safety information about temperatures and voltages. For additional information on TI's environmental and/or safety programs, please visit www.ti.com/esh or contact TI. No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or combination in which such TI products or services might be or are used. TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive. TI assumes no liability for applications assistance, customer product design, software performance, or infringement of patents or services described herein. REGULATORY COMPLIANCE INFORMATION As noted in the EVM User’s Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal Communications Commission (FCC) and Industry Canada (IC) rules. For EVMs not subject to the above rules, this evaluation board/kit/module 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. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES-003 rules, which are designed to provide reasonable protection against radio frequency interference. Operation of the equipment may cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may be required to correct this interference. General Statement for EVMs including a radio User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local laws governing radio spectrum allocation and power limits for this evaluation module. It is the user’s sole responsibility to only operate this radio in legally acceptable frequency space and within legally mandated power limitations. Any exceptions to this is strictly prohibited and unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory authorities, which is responsibility of user including its acceptable authorization. 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 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. Setup REGULATORY COMPLIANCE INFORMATION (continued) FCC Interference Statement for Class B EVM devices 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. For EVMs annotated as IC – INDUSTRY CANADA Compliant This Class A or B digital apparatus complies with Canadian ICES-003. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Concerning EVMs including radio transmitters This device complies with Industry Canada licence-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. Concerning EVMs including detachable antennas Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada. Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de l'utilisateur pour actionner l'équipement. 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. 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. Setup 【Important Notice for Users of this Product in Japan】 This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product: 1. Use this product 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, 2. Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product, or 3. Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan. Texas Instruments Japan Limited (address) 24-1, Nishi-Shinjuku 6 chome, Shinjukku-ku, Tokyo, Japan http://www.tij.co.jp 【ご使用にあたっての注】 本開発キットは技術基準適合証明を受けておりません。 本製品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. 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。 2. 実験局の免許を取得後ご使用いただく。 3. 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 http://www.tij.co.jp SPACER Setup EVALUATION BOARD/KIT/MODULE (EVM) WARNINGS, RESTRICTIONS AND DISCLAIMERS For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished electrical equipment and not intended for consumer use. It is intended solely for use for preliminary feasibility evaluation in laboratory/development environments by technically qualified electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components, systems and subsystems. It should not be used as all or part of a finished end product. Your Sole Responsibility and Risk. You acknowledge, represent and agree t that : 1. You have unique knowledge concerning Federal, State and local regulatory requirements (including but not limited to Food and Drug Administration regulations, if applicable) which relate to your products and which relate to your use (and/or that of your employees, affiliates, contractors or designees) of the EVM for evaluation, testing and other purposes. 2. You have full and exclusive responsibility to assure the safety and compliance of your products with all such laws and other applicable regulatory requirements, and also to assure the safety of any activities to be conducted by you and/or your employees, affiliates, contractors or designees, using the EVM. Further, you are responsible to assure 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. 3. You will employ reasonable safeguards to ensure that your use of the EVM will not result in any property damage, injury or death, even if the EVM should fail to perform as described or expected. 4. You will take care of proper disposal and recycling of the EVM’s electronic components and packing materials. Certain Instructions, It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and environmental ranges) may cause property damage, personal injury or death. If there are questions concerning these ratings please 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 result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or interface electronics. Please consult the EVM User's 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, some circuit components may have case temperatures greater than 60°C as long as the input and output are maintained at a normal ambient operating temperature. These components include but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors which can be identified using the EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during normal operation, please be aware that these devices may be very warm to the touch. As with all electronic evaluation tools, only qualified personnel knowledgeable in electronic measurement and diagnostics normally found in development environments should use these EVMs. Agreement to Defend, Indemnify and Hold Harmless. You agree to defend, indemnify and hold TI, its licensors and their representatives harmless from and against any and all claims, damages, losses, expenses, costs and liabilities (collectively, "Claims") arising out of or in connection with any use of the EVM that is not in accordance with the terms of the agreement. This obligation shall apply whether Claims arise under law of tort or contract or any other legal theory, and even if the EVM fails to perform as described or expected. Safety-Critical or Life-Critical Applications. If you intend to evaluate the components for possible use in safety critical applications (such as life support) where a failure of the TI product would reasonably be expected to cause severe personal injury or death, such as devices which are classified as FDA Class III or similar classification, then you must specifically notify TI of such intent and enter into a separate Assurance and Indemnity Agreement. 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