Texas Instruments ADS131E08 User Manual Download | Manualshive

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SOFTWARE INSTALLATION

Navigate to C:\Program Files\ADS131E08EVM\USB Driver, as shown in

Figure 8. New Hardware Wizard Screen 3

Click Next to find and install the driver. When the wizard is complete, the screen in

appears.

Figure 9. Completion of the First USB Driver

9

SBAU200 – June 2012

Performance Demonstration Kit for the ADS131E08

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Copyright © 2012, Texas Instruments Incorporated

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Summary of Contents for ADS131E08

Page 1: ...tic diagram and bill of materials Throughout this document the terms ADS131E08EVM PDK demonstration kit evaluation board evaluation module and EVM are synonymous with the ADS131E08EVM The following re...

Page 2: ...nternal Temperature Sensor 19 18 Eight Channel Read of Internal Temperature Data 19 19 GPIO Control Register GUI Panel 20 20 Fault Status Indicator 21 21 Device Register Settings 22 22 Scope Tool Feat...

Page 3: ...ignments Channel Specific Settings 17 9 GPIO General Purpose I O Register 20 10 ADS131E08 Bill of Materials 30 3 SBAU200 June 2012 Performance Demonstration Kit for the ADS131E08 Submit Documentation...

Page 4: ...s the ADS131E08EVM to be connected to the computer thorugh an available USB port This manual shows how to use the MMB0 as part of the ADS131E08EVM PDK but does not provide technical details about the...

Page 5: ...mmended that you check the TI website at http www ti com to verify that you have the latest software Figure 2 ADS131E08EVM PDK Kit The complete kit includes the following items ADS131E08EVM printed ci...

Page 6: ...III or Celeron processor 866 MHz or equivalent Minimum 256 MB of RAM 512 MB or greater recommended USB 1 1 compatible input Hard disk drive with at least 200 MB free space Windows XP operating system...

Page 7: ...the TI website at www ti com tool ADS131E08EVM PDK To install the ADS131E08 software unzip and run setup exe Figure 3 shows the initialization screen Figure 3 Initialization of ADS131E08EVM GUI You mu...

Page 8: ...port The Found New Hardware Wizard window appears as shown in Figure 6 Note that this is the first of two USB drivers that are installed Click Next to continue driver installation Figure 6 New Hardwa...

Page 9: ...ew Hardware Wizard Screen 3 Click Next to find and install the driver When the wizard is complete the screen in Figure 9 appears Figure 9 Completion of the First USB Driver 9 SBAU200 June 2012 Perform...

Page 10: ...k Next to complete the installation If the computer is unable to find the USBStyx driver point to the installation directory of C Program Files ADS131E08EVM USB Drivers At this time you may receive an...

Page 11: ...nd 1 8 V to 3 V digital supply SPI data interface The following sections explain some of the hardware settings possible with the EVM for evaluating the ADS131E08 under various test conditions 3 1 Powe...

Page 12: ...lar Analog Supply AVDD and AVSS 3 V 5 V 1 5 V 2 5 V JP7 1 2 1 2 2 3 2 3 JP1 2 3 2 3 1 2 1 2 U6 TPS73230 TPS73250 Don t care Don t care U8 Don t care Don t care TPS73201 TPS73201 U7 Don t care Don t ca...

Page 13: ...t that provides reference voltages to the device Alternatively the internal reference can be powered down and VREFP can be applied externally This configuration is achieved with the external reference...

Page 14: ...e 7 Serial Interface Pinout Signal J1 Pin Number Signal START CS 1 2 CLKSEL CLK 3 4 GND NC 5 6 GPIO1 CS 7 8 RESET NC 9 10 GND DIN 11 12 GPIO2 DOUT 13 14 NC START DRDY 15 16 SCL EXT_CLK 17 18 GND NC 19...

Page 15: ...uation software allows register configurations to be saved to a file that can be reloaded to the GUI To create a configuration file with all of the stored register settings use the Save Configuration...

Page 16: ...l Channel Registers tab has the following options Configuration Register 1 Controls daisy chain and multiple readback MRB modes the CLKOUT connection and the output data rate Note that the 32 kSPS and...

Page 17: ...6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Channel Specific Settings 05 CH1SET 00 PD1 GAIN12 GAIN11 GAIN10 0 MUXn2 MUXn1 MUXn0 06 CH2SET 0 PD2 GAIN22 GAIN21 GAIN20 0 MUX22 MUX21 MUX20 07 CH3SET 0 PD3 GAIN3...

Page 18: ...e of this test signal is to verify the functionality of the front end mux the programmable gain amplifier PGA and the ADC The test signals may be viewed on the Analysis Scope Display tab as Figure 16...

Page 19: ...put voltage of the ADC may be converted to a temperature value using Equation 1 1 The output voltage corresponding to a given temperature can be read by running a data acquisition after the Temperatur...

Page 20: ...I O Register GPIO The GPIO registers control four general purpose input and output I O pins Table 9 shows the respective register to control these pins Figure 19 illustrates the GPIO Control Register...

Page 21: ...a convenient feature to help pinpoint if any of the inputs are out of range The GUI for this feature is enabled by clicking in the upper right hand corner of the EVM software on the Show Poll Fault St...

Page 22: ...debug feature that allows the user to view the state of all the internal registers This tab is shown in Figure 21 Figure 21 Device Register Settings 22 Performance Demonstration Kit for the ADS131E08...

Page 23: ...available under the Analysis tab is a very useful means of examining the data results in the time domain Users can decide if they would like their data displayed as input referred or not as well as re...

Page 24: ...dow Figure 23 Scope Analysis Tab Noise Levels for Each Channel Shown 5 1 2 Waveform Examination Tool The waveform examination tool allows the user to either zoom in on all channels simultaneously or o...

Page 25: ...signal The same signal zoom analysis shown in the previous section may be used on the histogram plots for a more detailed examination of the amplitude bins Figure 25 Histogram Bins The Histogram Analy...

Page 26: ...ws the Coherent Frequency Calculator Coherent sampling in an FFT is defined in Equation 3 where fAIN input frequency fSAMPLE ADS131E08 sampling frequency NWINDOW number of odd integer cycles during a...

Page 27: ...essing the Reference button toggles between dBFS decibels full scale and dBc decibels to carrier Figure 28 Analysis FFT AC Analysis Parameters Windowing Options 5 3 3 FFT Analysis The FFT Analysis but...

Page 28: ...e 30 Figure 30 Changing the User Defined Dynamic Range for Channel 1 5 3 5 Input Amplitude VPP The Input Amplitude field red box 5 Figure 27 is a user input that is important for accurately calculatin...

Page 29: ...PCB layouts and schematic diagrams for the ADS131E08 NOTE Board layouts are not to scale These figures are intended to show how the board is laid out they are not intended to be used for manufacturing...

Page 30: ...0 4 C45 C51 C55 C56 CAP CER 2 2UF 6 3V 10 X5R 0603 Murata GRM185R60J225KE26D 11 2 C60 C63 CAP CER 100UF 10V 20 X5R 1210 Taiyo Yuden LMK325BJ107MM T 12 0 D1 D16 Not Installed 13 1 J1 Top side 10 Pin Du...

Page 31: ...INI 040 D BLACK Keystone 5001 31 11 TP3 TP4 TP5 TP6 TP7 TP9 TP10 TEST POINT PC MINI 040 D RED Keystone 5000 TP13 TP14 TP15 TP16 32 1 U1 Low Cost 8 Channel 16 Bit Analog Front End for Power TI ADS131E0...

Page 32: ...S131E08 PCB layout is appended to this document 6 3 Front End Board Schematic The ADS131E08 schematic is appended to this document 32 Performance Demonstration Kit for the ADS131E08 SBAU200 June 2012...

Page 33: ...Top Assembly Top Layer...

Page 34: ...Internal Layer 1 Internal Layer 2...

Page 35: ...Bottom Layer Bottom Assembly...

Page 36: ...11 NI R12 NI A Tom Hendrick Tom Hendrick ADS13xE08 D1 NI D2 NI D3 NI D4 NI D5 NI D6 NI D7 NI D8 NI D9 NI 1 2 J5 CH1 IN2N IN2P IN4N IN4P 1 2 J8 CH4 1 2 J6 CH2 1 2 J9 CH5 AVDD AVSS R19 10k C70 470pF AVS...

Page 37: ...0 1uF AVDD PWDN DAISY_IN GPIO3 GPIO4 DAISY_IN GPIO3 GPIO4 DAISY_IN 1 2 3 4 5 6 7 8 9 10 J4 NI JP5 EXT_CLK EXT_CLK TP11 TP12 TP1 TP2 2 5 A Tom Hendrick Tom Hendrick AGND AGND AGND AGND AGND AGND AGND...

Page 38: ...MP 3 N C 1 N C 7 N C 8 U3 NI R56 NI VREFP R55 NI C32 NI 3 2 6 7 4 8 U4 NI External Reference Drivers C28 NI AVDD AVDD AVSS AVSS R52 NI C29 NI C30 NI C31 NI R53 NI C34 NI C33 NI R54 NI JP2 NI External...

Page 39: ...C47 10uF TP5 VCC_ 5v AVSS C55 2 2uF C59 NI C56 2 2uF L4 470uH C58 10uF TP6 C46 10uF C57 10uF Power Supplies C49 0 1uF R61 47 5K R62 43 2K JP7 JP1 EN 3 NR FB 4 OUT 5 GND 2 IN 1 U6 TPS73230 R57 NI R58 N...

Page 40: ...18 19 20 J2 VCC_5v DVDD 1 2 3 4 5 6 7 8 9 10 J3 TP8 TP10 TP9 TP7 C62 0 1uF C61 0 1uF C63 100uF C60 100uF CLKSEL SPI_DRDY SPI_OUT GPIO2 SPI_CLK SPI_CS SPI_START SPI_IN GPIO1 Dummy Connector JP3 RESET...

Page 41: ...roduct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engin...

Page 42: ...ncy 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 fr...

Page 43: ...na 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...

Page 44: ...roduct 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 Regulatio...

Page 45: ...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 in...

Page 46: ...egulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided...

Page 47: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments ADS131E08EVM PDK...

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