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6.3

Capturing Data with the ADS7040-PDK

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6.4

FFT Analysis

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6.5

Histogram Analysis

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6.6

Offset Calibration

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6.7

Estimated Current Consumption

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6.8

Troubleshooting

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Bill of Materials, PCB Layout, and Schematics

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7.1

Bill of Materials

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7.2

PCB Layout

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7.3

Schematics

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List of Figures

ADS7040EVM Analog Input Connections

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ADS7040EVM Default Jumper Settings

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Bottom View of Simple Capture Card with microSD Memory Card Installed

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Bottom View of ADS7040EVM Board with microSD Memory Card Installed

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Connecting ADS7040EVM Board to Simple Capture Card

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LED Indicators on the Simple Capture Card

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Welcome Screen and Destination Directory Screens

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License Agreement and Start Installation Screens

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Progress Bar and Installation Complete Screens

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Windows 7 Driver Installation Warning

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Simple Capture Card Driver Installation

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Simple Capture Card Driver Completion

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GUI Display Prompt

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Open the Data Capture Page on the GUI

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Data Capture Page

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FFT Performance Analysis Page

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Histogram Analysis Page

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Offset Calibration Page

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Estimated Current Consumption Page

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ADS7040EVM PCB: Top Layer (L1)

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ADS7040EVM PCB: GND Layer (L2)

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ADS7040EVM PCB: Power Layer (L3)

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ADS7040EVM PCB: Bottom Layer (L4)

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List of Tables

Содержание ADS7040

Страница 1: ...hematic diagrams and a bill of materials The following related documents are available through the Texas Instruments web site at http www ti com Table 1 Related Documentation Device Literature Number...

Страница 2: ...greement and Start Installation Screens 8 9 Progress Bar and Installation Complete Screens 9 10 Windows 7 Driver Installation Warning 9 11 Simple Capture Card Driver Installation 10 12 Simple Capture...

Страница 3: ...for Microsoft Windows XP Windows 7 and Windows 8 operating systems Built in analysis tools including scope FFT and histogram displays Data collection to text files supported 2 EVM Analog Interface Th...

Страница 4: ...these values are available in the TPS79101 SGLS160 datasheet Table 3 AVDD Voltage Settings AVDD Voltage R46 R45 C34 1 8 V 14 2 k 30 1 k 33 pF 2 0 V 19 1 k 30 1 k 27 pF 2 5 V 31 6 k 30 1 k 22 pF 3 0 V...

Страница 5: ...5 explains the configuration for these jumpers Figure 2 ADS7040EVM Default Jumper Settings Table 5 Default Jumper Configurations Reference Default Description Designator Position P2 Open Alternate lo...

Страница 6: ...Install the microSD Memory Cards on the Simple Capture Card Controller Board As mentioned in the previous section the ADS7040EVM PDK includes two microSD memory cards One is installed on the microSD s...

Страница 7: ...operly Step 1 Verify the ADS7040EVM jumpers are configured as shown in Figure 2 Step 2 Verify the microSD card is installed on the back of the Simple Capture Card as shown in Figure 3 Step 3 Verify th...

Страница 8: ...red and device driver components Step 4 After the installer begins a welcome screen displays Click Next to continue Step 5 A prompt appears with the destination directory select the default directory...

Страница 9: ...elect Install this driver software anyway to install the driver required for proper operation of the software The drivers contained within the installers are safe for installation to your system Figur...

Страница 10: ...the Simple Capture Card driver as shown in Figure 11 and Figure 12 Step 2 A computer restart may be required to finish the software installation If prompted restart the PC to complete the installatio...

Страница 11: ...it 6 2 Loading the ADS7040EVM Software The ADS7040 EVM software provides the ability to capture and analyze data from the ADS7040 To load the ADS7040 EVM software follow these steps Step 1 Make sure t...

Страница 12: ...ata versus time To access the Data Capture page hover the cursor over the blue arrow at the left center side of the GUI screen a menu with different GUI pages appears Click on the Data Capture option...

Страница 13: ...S high time between frames Details of the interface protocol can be studied in the serial interface timing diagrams in the ADS7040 datasheet SBAS608 In case the input to this field is beyond the capab...

Страница 14: ...computed by the GUI based on the Fi Required value entered A minor difference from Fi Required will be seen here to enable a system to be coherent in nature Window The window function is a mathematic...

Страница 15: ...sis table shown in Figure 17 displays several parameters of the captured data set as described in the following list Please note all results displayed in this page are in LSBs The Min Code Max Code an...

Страница 16: ...M Simply click the Calibrate button The GUI first performs a histogram test for the device described in Section 6 5 and populates the first of the two graphs The pre calibrated Mean code is inserted i...

Страница 17: ...e estimated current and power on the graph and the indicators on this page Figure 19 Estimated Current Consumption Page 6 8 Troubleshooting Although the ADS7040EVM GUI rarely stops responding while th...

Страница 18: ...P X ST EM1 1 L1 Inductor 2P Power Choke 1uH 30 Wurth 744029001 2 P2 P4 Uninstalled Uninstalled Header MalE 2Pin 0 100CC 1 P3 Header W Shunt 2P 100LS TL 125 TYCO Electronics 103321 2 9 R1 R2 R3 R4 R5 R...

Страница 19: ...le Bit Dual supply Bus Transceiver Texas Instruments SN74AVCH1T45DBVR 1 U13 IC 1 2A High Efficient Step Down Converter with Snooze Texas Instruments TPS62080DSG Mode SON 8 1 U15 IC Nanopower Superviso...

Страница 20: ...d 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 ADS7040EVM PCBs Figure 20 ADS7040EVM PCB Top Layer L1 Figure...

Страница 21: ...ls PCB Layout and Schematics Figure 22 ADS7040EVM PCB Power Layer L3 Figure 23 ADS7040EVM PCB Bottom Layer L4 21 SBAU240 November 2014 ADS7040EVM PDK Submit Documentation Feedback Copyright 2014 Texas...

Страница 22: ...Schematics www ti com 7 3 Schematics The schematics for the ADS7040EVM are appended to the end of this user s guide 22 ADS7040EVM PDK SBAU240 November 2014 Submit Documentation Feedback Copyright 201...

Страница 23: ...G TP2 TP1 TP3 TP4 TP5 GND GND SCLK CS0 MISO VOUT 1 GND 2 ENABLE 3 CPUMP 4 VIN 5 CPUMP 6 U2 REG71055DDC 10 F C5 1 F C3 0 22 F C4 2 2 F C2 5P5V GND 88 7k R48 30 1k R44 GND 10 0 R47 AVDD OPA 1 2 P4 HEADE...

Страница 24: ...ing the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repa...

Страница 25: ...essful 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 imped...

Страница 26: ...ified 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 sens...

Страница 27: ...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 L...

Страница 28: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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