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Texas Instruments ADS1281EVM User Manual Download Page 27

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Revision History

Revision History

Changes from B Revision (May, 2009) to C Revision

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Updated

Table 3

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NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

27

SBAU143C

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March 2009

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Revised May 2011

Revision History

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Copyright

©

2009

–

2011, Texas Instruments Incorporated

Summary of Contents for ADS1281EVM

Page 1: ...or download through the Texas Instruments web site at http www ti com EVM Compatible Device Data Sheets Device Literature Number Device Literature Number ADS1281 SBAS378B SN74LVC2G157 SCES207K REF5025...

Page 2: ...ISA Driver Installing 14 12 NI VISA Driver Complete Installation 15 13 NI VISA Driver Verification Using Device Manager 15 14 ADCPro Software Start up Display Window 16 15 ADS1281EVM PDK Plug In Displ...

Page 3: ...DCPro see the ADCPro Analog to Digital Converter Evalutation Software User s Guide literature number SBAU128 available for download for the TI web site This manual covers the operation of both the ADS...

Page 4: ...e ADC Consult Samtec at http www samtec com or call 1 800 SAMTEC 9 for a variety of mating connector options All logic levels on J5 are 3 3V CMOS except for the I2 C pins These pins conform to 3 3V I2...

Page 5: ...plifiers For optimum noise performance the external supplies VA and VA should be used Table 3 J3 Configuration Power Supply Input Pin No Pin Name Function Required J8 1 VA 10V to 15V Yes J8 2 VA 10V t...

Page 6: ...ed by GPIO4 J5 14 on the EVM The ADS1281EVM PDK uses the I2 C port expander on the EVM to allow the software to control this pin 7 Clock Source The ADS1281 clock can come from one of two sources the o...

Page 7: ...rchased as part of the ADS1281EVM PDK For a list of compatible interface and or accessory boards for the EVM or the ADS1281 see the relevant product folder on the TI web site Some of the digital signa...

Page 8: ...software is available from the TI website at http www ti com The CD ROM shipped with the ADS1281EVM may not contain the latest software The updated ADCPro software can be downloaded directly from the...

Page 9: ...up the ADS1281EVM PDK Step 1 Unpack the ADS1281EVM PDK kit Step 2 Set the jumpers and switches on the MMB0 as shown in Figure 5 Set the Boot Mode switch to USB Set jumper J4 low to indicate that the...

Page 10: ...herboard It is designed around the TMS320VC5507 a DSP with an onboard USB interface from Texas Instruments The MMB0 also has 16MB of SDRAM installed The MMB0 is not sold as a DSP development board and...

Page 11: ...the 6V Wall Supply for 5V An ac wall supply can be connected to barrel jack J2 on the MMB0 to supply the 5V required for operation J2 is located next to the USB connector The wall supply must output...

Page 12: ...ired for proper operation of the EVM These supplies can be connected to the terminal block J14 on the MMB0 Connect the 10V dc supply to VA and 10V dc to VA terminals on J14 9 3 4 Power For Bipolar Mod...

Page 13: ...Pro and complete the necessary driver installation Make sure the ADCPro software and device plug in software are installed from the CD ROM as described in Section 9 1 Installing the ADCPro Software 10...

Page 14: ...ww ti com Figure 10 NI VISA Driver Installation Question Figure 11 NI VISA Driver Installing 14 ADS1281EVM and ADS1281EVM PDK User s Guide SBAU143C March 2009 Revised May 2011 Submit Documentation Fee...

Page 15: ...of the NI VISA drivers You can verify proper installation by opening the Device Manager and locating the hardware as shown in Figure 13 Figure 13 NI VISA Driver Verification Using Device Manager 15 S...

Page 16: ...rt the software by selecting ADCPro from the Windows Start menu The screen in Figure 14 appears Figure 14 ADCPro Software Start up Display Window 16 ADS1281EVM and ADS1281EVM PDK User s Guide SBAU143C...

Page 17: ...us area indicating this action Step 3 If you have not yet loaded the operating system drivers Windows will display the Windows Install New Driver Wizard sequence illustrated in Figure 16 through Figur...

Page 18: ...ti com Figure 16 Install New Driver Wizard Screen 1 Figure 17 Install New Driver Wizard Screen 2 18 ADS1281EVM and ADS1281EVM PDK User s Guide SBAU143C March 2009 Revised May 2011 Submit Documentation...

Page 19: ...lation Figure 18 Install New Driver Wizard Screen 3 Figure 19 Install New Driver Wizard Screen 4 19 SBAU143C March 2009 Revised May 2011 ADS1281EVM and ADS1281EVM PDK User s Guide Submit Documentation...

Page 20: ...sing Device Manager The driver installation wizard sequence should not appear again unless you connect the board to a different USB port 11 Evaluating Performance with the ADCPro Software The evaluati...

Page 21: ...1 1 Controls Tab ADCPro can receive data from the ADS1281 at five different data rates The data rate is controlled by the DR 2 0 Register control shown in Figure 22 The data rate choices are determine...

Page 22: ...ds to the ADS1281 Which command is sent is determined by the radio buttons in the Calibration Type groupbox see Figure 25 The calibrations should be performed separately before testing See the ADS1281...

Page 23: ...DS1281 when the value in these controls changes and the user deselects the text box For ease of entry the gain or offset values are entered only in the OFC or FSC controls the actual values placed in...

Page 24: ...gress bar as shown in Figure 26 Figure 26 Progress Bar While Collecting Data For more information on testing analog to digital converters in general and using ADCPro and Test plug ins refer to the ADC...

Page 25: ...0603 7 5 100k R12 R14 R15 R27 Resistor Thick Film Chip 100k 5 Panasonic ERJ 3GEYJ104V R28 1 10W Size 0603 Not 1 100k R13 Resistor Thick Film Chip 100k 5 Panasonic ERJ 3GEYJ104V Installed 1 10W Size 06...

Page 26: ...TPS72325DBVT Instruments 29 1 U10 LDO Voltage Regulator 2 5V 100mA Texas TPS79225DBVT Instruments 30 1 U7 Texas PCA9535RGE 16 Bit I2 C I O Expander Instruments 31 1 4 096MHz U12 3 3 V Oscillator Crys...

Page 27: ...2009 to C Revision Page Updated Table 3 5 NOTE Page numbers for previous revisions may differ from page numbers in the current version 27 SBAU143C March 2009 Revised May 2011 Revision History Submit D...

Page 28: ...OP SAM_TSM 110 01 L DV P J6B BOTTOM SAM_SSW 110 22 F D VS IN 1 GND 2 EN 3 OUT 5 BYP 4 U10 TPS79225DBV Q1 FRC_FDN302P 2 4 5 3 U9 SN74LVC1G07DBV R14 100K 5V 5V Q3 FRC_FDN337N 5V 2 4 5 3 U8 SN74AHCT1G04D...

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Page 35: ...duct 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 enginee...

Page 36: ...orized for 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 unless officers of the parti...

Page 37: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments ADS1281EVM PDK ADS1281EVM...

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