Texas Instruments ADS1282EVM, User Manual

Page 1: ...related documents are available for download through the Texas Instruments web site at http www ti com EVM Compatible Device Data Sheets Device Literature Number Device Literature Number ADS1282 SBAS...

Page 2: ...Driver Complete Installation 15 13 NI VISA Driver Verification Using Device Manager 15 14 ADCPro Software Start up Display Window 16 15 ADS1282EVM PDK Plug In Display Window 17 16 Install New Driver W...

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

Page 4: ...nd serial data pins of the 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 Thes...

Page 5: ...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 to 15V Yes J8...

Page 6: ...PIO4 J5 14 on the EVM The ADS1282EVM PDK uses the I2 C port expander on the EVM to allow the software to control this pin 7 Clock Source The ADS1282 clock can come from one of two sources the onboard...

Page 7: ...the ADS1282EVM PDK For a list of compatible interface and or accessory boards for the EVM or the ADS1282 see the relevant product folder on the TI web site Some of the digital signals are controlled...

Page 8: ...st software is available from the TI website at http www ti com The CD ROM shipped with the ADS1282EVM may not contain the latest software The updated ADCPro software can be downloaded directly from t...

Page 9: ...up the ADS1282EVM PDK Step 1 Unpack the ADS1282EVM 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 E...

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: ...mplete 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 1 NI VISA...

Page 14: ...www ti com Figure 10 NI VISA Driver Installation Prompt Figure 11 NI VISA Driver Installing 14 ADS1282EVM and ADS1282EVM PDK User s Guide SBAU144C March 2009 Revised May 2011 Submit Documentation Feed...

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 ADS1282EVM and ADS1282EVM PDK User s Guide SBAU144C...

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 ADS1282EVM and ADS1282EVM PDK User s Guide SBAU144C 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 SBAU144C March 2009 Revised May 2011 ADS1282EVM and ADS1282EVM PDK User s Guide Submit Documentation...

Page 20: ...and then reloading the plug in Step 5 You can verify the proper installation of the USBStyx driver using the Device Manager Note that the first driver item NI VISA USB Devices will disappear and a ne...

Page 21: ...pdates on the board Settings on the ADS1282EVM correspond to settings described in the ADS1282 product data sheet see the ADS1282 data sheet available for download at the TI web site for details 11 1...

Page 22: ...1 is switched to external VREF VREFP and VREFN control the bounds for the reference voltage The Standby and Wakeup controls send the corresponding commands to the ADS1282 as illustrated in Figure 25 D...

Page 23: ...sponse and the High pass Filter Corner Frequency are controlled in the Filter Tab as Figure 27 shows Figure 27 Filter Tab 11 1 3 Calibration Tab A calibration feature is integrated into the ADS1282 to...

Page 24: ...put should be applied for gain calibration The Gain radio button should be selected When Start Calibration is pushed the gain calibration is performed and the resulting value is reflected in the FSC r...

Page 25: ...gress bar as shown in Figure 29 Figure 29 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 26: ...GEYJ104V 1 10W Size 0603 8 2 470k R25 R26 Resistor Thick Film Chip 470k 5 Panasonic ERJ 3GEYJ474V 1 10W Size 0603 9 2 100k RA1 RA2 Resistor 8 Thick Film Chip Array CTS 745C101104JPTR 100k 5 63mW Not I...

Page 27: ...24AA256 I ST 33 2 Q1 Q2 MOSFET P Channel 2 5V Fairchild FDN302P Semiconductor 34 1 Q3 Enhancement Mode FET N Channel Fairchild FDN337N Semiconductor 35 2 J5A J6A 20 Pin SMT Plug Samtec TSM 110 01 L DV...

Page 28: ...2009 to C Revision Page Updated Table 3 5 NOTE Page numbers for previous revisions may differ from page numbers in the current version 28 Revision History SBAU144C March 2009 Revised May 2011 Submit D...

Page 29: ...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 36: ...product 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 engi...

Page 37: ...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 38: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments ADS1282EVM PDK ADS1282EVM...