Texas Instruments ADS131E08EVM-PDK User Manual
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Texas Instruments ADS131E08EVM-PDK User Manual

Texas Instruments ADS131E08EVM-PDK User Manual

Performance demonstration kit for the ads131e08
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This user's guide describes the characteristics, operation, and use of the ADS131E08EVM-PDK. This
performance demonstration kit is an evaluation module for the ADS131E08, an eight-channel, 24-bit, low-
power, integrated analog front-end (AFE) designed for power protection circuits. The ADS131E08EVM-
PDK is intended for prototyping and evaluation. This user's guide includes a complete circuit description,
schematic 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 related documents are available through the Texas Instruments web site at www.ti.com.
1
2
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SBAU200C - June 2012 - Revised April 2020
Submit Documentation Feedback
Figure 1. ADS131E08EVM-PDK
Table 1. Related Documentation
Device
ADS131E08
Contents
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Copyright © 2012-2020, Texas Instruments Incorporated
Literature Number
SBAS561
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User's Guide
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10
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Summary of Contents for Texas Instruments ADS131E08EVM-PDK

  • Page 1: Table Of Contents

    Performance Demonstration Kit for the ADS131E08 Figure 1. ADS131E08EVM-PDK This user's guide describes the characteristics, operation, and use of the ADS131E08EVM-PDK. This performance demonstration kit is an evaluation module for the ADS131E08, an eight-channel, 24-bit, low- power, integrated analog front-end (AFE) designed for power protection circuits. The ADS131E08EVM- PDK is intended for prototyping and evaluation.
  • Page 2 Serial Interface Pinout ..............Register Assignments: Channel-Specific Settings ..................GPIO: General-Purpose I/O Register ..................... ADS131E08 Bill of Materials Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 3: Performance Demonstration Kit For The Ads131E08

    ADS131E08EVM-PDK is designed to expedite evaluation and system development. The MMB0 motherboard allows 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 MMB0.

  • Page 4: Ads131E08Evm-Pdk Kit

    Output connector: barrel plug (positive center), 2.5-mm I.D. x 5.5-mm O.D. (9-mm insertion depth) • Complies with applicable regional safety standards Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 5: Software Installation

    XP operating system with SP2, or Windows 7 operating system ® ® • Mouse or other pointing device • 1280 × 960 minimum display resolution SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 6: Initialization Of Ads131E08Evm Gui

    Do not connect the ADS131E08EVM hardware before installing the software on a suitable PC. Failure to observe this caution may cause Microsoft Windows to not recognize the ADS131E08EVM. Download the latest software from 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.

  • Page 7: New Hardware Wizard Screen

    Software Installation www.ti.com Installing the ADS131E08EVM-PDK Hardware Drivers 2.3.1 Installing the First USB Driver Apply power to the MMB0 using a power supply as discussed in Section 1.4 and connect the MMB0 to your PC through any available USB port. The Found New Hardware Wizard window appears, as shown in Figure 6.

  • Page 8: Completion Of The First Usb Driver

    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 Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 9: Second New Hardware Wizard Screen

    Click 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 error message because the ADS131E08EVM-PDK software has timed out. If so, click OK, close the GUI program, power cycle the ADS131E08EVM, and restart the newly installed ADS131E08 evaluation program.

  • Page 10: Ads131E08Evm Daughter-Card Hardware Overview

    The ADS131E08EVM-PDK board is a four-layer circuit board. The board layout and schematics are appended to the end of this document. The ADS131E08EVM-PDK is configured to be used with the TI MMB0 data converter evaluation platform. The key features of the ADS131E08 system on a chip (SOC) are: •...

  • Page 11: Sbau200C - June 2012 - Revised April 2020

    Not installed Not installed Table 4. Digital Supply Configurations (DVDD and DGND) DVDD 3.3 V 1.8 V JP11 SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 12: Clk Jumper Options

    J4 Pin Number Signal Not connected GPIO1 Not connected GPIO2 PWDN GPIO3 Dasiy in GPIO4 AGND Not connected Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 13: Serial Interface Pinout

    The ADS131E08 provides users the option to feed in signals from any arbitrary signal source directly. Analog signals can be applied at terminal blocks J5 through J12. SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 14: Using The Software

    Figure 12 shows the options available in the Save tab. Figure 12. File Save Option Under Save Tab Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 15: Channel Registers Gui For The Configuration Registers

    GUI panel to manipulate these registers and the respective settings for each. Figure 13. Channel Registers GUI for the Configuration Registers SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 16: Channel Control Register Gui Panel: Single Channel Enabled

    Figure 14. Channel Control Register GUI Panel: Single Channel Enabled Figure 15. Channel Control Registers GUI Panel: All Channels Enabled Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 17: Example Of Internal Test Signals Viewed On The Scope Display Tab

    Analysis→Scope Display tab, as Figure 16 shows. Figure 16. Example of Internal Test Signals Viewed on the Scope Display Tab SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 18: Internal Temperature Sensor

    GUI. Figure 18. Eight-Channel Read of Internal Temperature Data Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 19: Gpio Control Register Gui Panel

    Bit 0 GPIO GPIOD4 GPIOD3 GPIOD2 GPIOD1 GPIOC4 GPIOC3 GPIOC2 GPIOC1 Figure 19. GPIO Control Register GUI Panel SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 20: Fault Status Indicator

    EVM software on the Show/Poll Fault Status button, as shown in Figure Figure 20. Fault Status Indicator Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 21: Device Register Settings

    The Register→Device Register tab is a helpful debug feature that allows the user to view the state of all the internal registers. This tab is shown in Figure Figure 21. Device Register Settings SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 22: Ads131E08 Analysis Tools

    Figure 22 shows the scope tool features. Figure 22. Scope Tool Features Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 23: Scope Analysis Tab (Noise Levels For Each Channel Shown)

    Signal-Zoom Analysis Options Figure 24. Zoom Option on the Waveform Examination Tool SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 24: Histogram Bins

    RMS voltage, and peak-to-peak voltage for analysis, as shown in Figure Figure 26. Statistics for the Signal Amplitude of Eight Channels Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 25: Analysis→Fft Graph Of Normal Electrode Configuration

    SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 26: Analysis→Fft→Ac Analysis Parameters: Windowing Options

    The SNR, THD, and harmonic information is listed in a table format. Figure 29. Analysis→FFT→FFT Analysis: Input Short Condition Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 27: Changing The User-Defined Dynamic Range For Channel

    This zoom function allows a closer examination of the FFT at frequencies of interest, as shown in Figure Figure 31. FFT Plot Using Waveform Zoom Function SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...

  • Page 28: Bill Of Materials (Bom), Layout, And Schematic

    Samtec TSW-103-07-T-S Not Installed JP3, JP4 2 Position Jumper _ .1" spacing Samtec TSW-102-07-T-S JP12 Not Installed Performance Demonstration Kit for the ADS131E08 SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...
  • Page 29 OSC 2.0480 MHZ 3.3V HCMOS SMT FXO-HC735-2.048 0.100 Shunt - Black Shunts 969102-0000-DA Printed Circuit Board 6462011 (MMB0) SBAU200C – June 2012 – Revised April 2020 Performance Demonstration Kit for the ADS131E08 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...
  • Page 30 Changes from Original (June 2012) to A Revision ......................Page ................ • Removed support for included power adapter for this EVM. Revision History SBAU200C – June 2012 – Revised April 2020 Submit Documentation Feedback Copyright © 2012–2020, Texas Instruments Incorporated...
  • Page 31 Top Assembly Top Layer...
  • Page 32 Internal Layer 1 Internal Layer 2...
  • Page 33 Bottom Layer Bottom Assembly...
  • Page 34 AVDD AVSS AVDD AVDD AVSS AVDD AVDD AVSS AVDD IN1N IN3N IN2N 470pF 470pF 470pF AVSS AVSS AVSS AVSS AVSS AVSS AVDD AVSS AVDD AVDD AVSS AVDD AVDD AVSS AVDD IN1P IN3P IN2P 470pF 470pF AVSS 470pF AVSS AVSS AVSS AVSS AVSS AVDD...
  • Page 35 TP15 TP14 TP16 GPIO1 GPIO2 AVSS GPIO3 /PWDN VCAP3 GPIO4 DAISY_IN AVDD 0.1uF AGND AVSS DVDD AVDD AVDD AVDD ADS13xE08 AGND CLKSEL 0.1uF CLKSEL CLKSEL IN8N IN8N DGND IN8P IN8P DVDD IN7N AVSS AVSS IN7N AVSS AGND IN7P IN7P DGND IN6N IN6N DVDD...
  • Page 36 External Reference External Reference Drivers AVDD TEMP AVDD TRIM AVSS C33 NI AGND AVSS VREFP JP12 AVDD C34 NI TEMP AGND TRIM AVSS AVSS AVSS NOT INSTALLED 12500 TI Boulevard. Dallas, Texas 75243 Title: ADS13xE08 Engineer: Tom Hendrick DOCUMENTCONTROL # REV: Drawn By: Tom Hendrick...
  • Page 37 VCC_5v VCC_-5v 470uH 470uH 10uF 10uF 10uF 10uF AGND AGND TPS60403 AGND AGND AGND +3.0V 470uH AVDD 2.2uF 10uF 10uF AGND AGND AGND NR/FB TPS73230 AGND 0.1uF AGND AGND TP13 +2.5V 470uH 2.2uF 10uF 10uF AGND 49.9K AGND AGND NR/FB TPS73201 AGND 46.4K...
  • Page 38 DVDD DVDD C63 100uF AGND 0.1uF JP10 CLKSEL JP11 VCC_5v VCC_1.8V SPI_CLK TP10 SPI_CS VCC_3.3V GPIO1 /RESET SPI_IN GPIO2 SPI_OUT 100uF 0.1uF SPI_DRDY VCC_3.3V EXT_CLK 0.1uF VCC_3.3V Dummy Connector SPI_START AGND 24AA256-I/ST AGND 12500 TI Boulevard. Dallas, Texas 75243 Title: ADS13xE08 Engineer: Tom Hendrick...
  • Page 39 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2020, Texas Instruments Incorporated...

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