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Bill of Materials, PCB Layout, and Schematics

Table 6. ADS7040EVM Bill of Materials (continued)

Reference

Qty

Description

Vendor

Part Number

Designators

1

U10

Ultralow Power Regulator

Texas Instruments

OPA835IDBV

1

U12

Single-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 Supervisory Circuits, SOT23-5

Texas Instruments

TPS3836K33DBVR

1

for J2

SanDisk microSDHC™ Card - 4GB

SANDISK

SDSDQ-004G-A11M

19

SBAU240 – November 2014

ADS7040EVM-PDK

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Copyright © 2014, Texas Instruments Incorporated

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Summary of Contents for ADS7040

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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