Texas Instruments MSOP-8EVM User Manual Download Page 23 | Manualshive

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Revision History

22

SBAU140A – December 2008 – Revised February 2016

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Copyright © 2008–2016, Texas Instruments Incorporated

Revision History

Revision History

Changes from Original (December 2008) to A Revision

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Page

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Modified the

MMB0 Initial Setup

image.

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Replaced reference of wall supply to external supply in the

Connecting the Power Supply

section.

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Modified the

Connecting an AC Adapter

image.

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•

Modified

Laboratory Power-Supply Connection

image.

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

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Summary of Contents for MSOP-8EVM

Page 1: ...is user s guide describes the characteristics operation and use of the MSOP 8EVM both by itself and as part of the MSOP 8EVM PDK This EVM is an evaluation board for single channel 14 to 16 bit analog to digital converter ADC devices in an MSOP 8 package A complete circuit description schematic diagram and bill of materials are included with this document This manual covers the operation of both th...

Page 2: ...Connecting the MSOP 8EVM to the MMB0 Motherboard 10 5 Connecting an AC Adapter 11 6 Laboratory Power Supply Connection 12 7 ADCPro Software Start up Display Window 13 8 ADS8326EVM PDK Plug In Display Window 14 9 Found New Hardware Wizard Screen 1 15 10 Found New Hardware Wizard Screen 2 15 11 Found New Hardware Wizard Screen 3 16 12 Found New Hardware Wizard Screen 4 16 13 Found New Hardware Wizar...

Page 3: ... MSOP 8EVM and the MSOP 8EVM PDK It does not describe the MMB0 motherboard in detail Throughout this document the abbreviation EVM and the term evaluation module are synonymous with the MSOP 8EVM 1 2 Introduction The modular MSOP 8 evaluation module is an updated version of the popular Burr Brown DEM MSOP 8 evaluation board The EVM is designed so that a single printed wiring board PWB supports a v...

Page 4: ...designed for easy interfacing to multiple control platforms Samtec part numbers SSW 110 22 F D VS K and TSM 110 01 T DV P provide a convenient 10 pin dual row header socket combination at J2 This header socket provides access to the digital control and serial data pins of the MSOP 8EVM Consult Samtec at http www samtec com or 1 800 SAMTEC 9 for a variety of mating connector options Table 3 J2 Digi...

Page 5: ...ument and PWB silkscreen see Figure 3 for further details 4 1 ADC Power The device installed on the modular MSOP 8EVM has several options with regard to its power source Refer to the schematic shown at the end of this document for details about the following information JMP1 and JMP3 allow the user to select the power supply used by the ADC When JMP1 is in the default factory position shunt on pin...

Page 6: ...ence Voltage The modular MSOP 8 can be configured to use the onboard reference buffer circuits U2 and U4 or an external reference applied to J1 20 Jumpers JMP5 and JMP6 control the reference source In the factory default position shunt on JMP5 pins 1 2 a 2 5V reference is supplied by U2 Moving the shunt at JMP5 to positions 2 3 allows an external reference applied to J1 20 to be used CAUTION The A...

Page 7: ...e chip select CS or shutdown SHDN pin of the ADC installed on the EVM The factory default condition for the EVM has a shunt jumper placed between pins 1 2 of JMP2 This configuration allows the Frame Sync FS signal from a DSP host system to be used as a chip select for the ADC This signal originates from J2 7 When JMP2 is moved to pins 2 3 the CS SHDN signal is applied via J2 1 5 4 Digital I O Buff...

Page 8: ...e may cause Windows to not recognize the MSOP 8EVM PDK The latest software is available from Texas Instruments website at http www ti com The CD ROM shipped with the MSOP 8EVM may not contain the latest software but the ADCPro installer will check for updates when run if connected to the Internet and then give you the option of downloading and installing the latest version Refer to the ADCPro User...

Page 9: ...nect 5V and 5VA on jumper block J13 if 5V is supplied from J14 5VA c Leave 5V and VA disconnected on jumper block J13 d If the PDK will be powered from an ac adapter and used in unipolar mode connect J12 If the PDK will be powered through the terminal block or will be used in bipolar mode disconnect J12 Figure 2 MMB0 Initial Setup Step 3 Set the jumpers on the MSOP 8 EVM board as shown in Figure 3...

Page 10: ...ins when plugging the MSOP 8EVM into the MMB0 Check the pin alignment of J1 J2 and J3 carefully before applying power to the PDK 6 2 1 About the MMB0 The MMB0 is a modular EVM system motherboard It is designed around the TMS320VC5507 a DSP from Texas Instruments that has an onboard USB interface The MMB0 also has 16MB of SDRAM installed The MMB0 is not sold as a DSP development board and it is not...

Page 11: ... light indicates that the 3 3V supply for the MMB0 is operating properly however it does not indicate that the EVM power supplies are operating properly 6 3 1 Connecting an External Supply An external supply can be connected to barrel jack J2 on the MMB0 using the included CA 2186 cable J2 is located next to the USB connector The adapter must output 6V to 9V dc The connector must be sleeve negativ...

Page 12: ...ratory power supply can be connected through terminal block J14 on the MMB0 as shown in Figure 6 To use a unipolar lab power supply configuration Disconnect J12 on the MMB0 Connect a 5V dc supply to the 5VD terminal on J14 Connect ground of the dc supply to the GND terminal on J14 It is not necessary to connect a 5V dc supply voltage to the 5VA terminal on J14 if the 5V 5VA position on J13 is shor...

Page 13: ...rent at the time of this writing but may not exactly match future releases The program for evaluating the MSOP 8EVM PDK is called ADCPro This program uses plug ins to communicate with the EVM The MSOP 8EVM PDK plug in is included in the MSOP 8EVM PDK package The program currently runs only on Windows XP Follow these procedures to run ADCPro and complete the necessary driver installation Step 1 Sta...

Page 14: ... as shown in Figure 8 Figure 8 ADS8326EVM PDK Plug In Display Window Step 3 The MSOP 8EVM PDK plug in window has a status area at the top of the screen When the plug in is first loaded the plug in searches for the board You will see a series of messages in the status area indicating this action Step 4 Apply power to the PDK and connect the board to an available PC USB port Step 5 If you have not y...

Page 15: ... SBAU140A December 2008 Revised February 2016 Submit Documentation Feedback Copyright 2008 2016 Texas Instruments Incorporated MSOP 8EVM and MSOP 8EVM PDK Figure 9 Found New Hardware Wizard Screen 1 Figure 10 Found New Hardware Wizard Screen 2 ...

Page 16: ...SBAU140A December 2008 Revised February 2016 Submit Documentation Feedback Copyright 2008 2016 Texas Instruments Incorporated MSOP 8EVM and MSOP 8EVM PDK Figure 11 Found New Hardware Wizard Screen 3 Figure 12 Found New Hardware Wizard Screen 4 ...

Page 17: ...rdware Wizard Screen 5 Step 6 When Windows installs the software driver the plug in downloads the firmware to the MMB0 Step 7 Windows will display the installation wizard a second time Again accept the default settings Step 8 The status area displays a connected message The software is now ready to use The driver installation wizard sequence should not appear again unless you connect the board to ...

Page 18: ...M device plug in the setting is immediately updated on the board If you unload and reload the plug in the software will attempt to load settings from the board Settings on the MSOP 8EVM device correspond to the settings described in the particular installed device data sheet For example if the installed MSOP 8EVM device is the ADS8326 see the ADS8326 data sheet available for download at www ti com...

Page 19: ...re are 24 cycles of the serial clock applied to the ADC while the CS input is active Delay time is added between CS to accommodate the desired sampling rate Figure 15 Clockstop Mode Max SCLK 7 1 3 Continuous Mode Stretched SCLK In this mode SCLK frequency is calculated by the following equation SCLK sampling rate cycles sample The number of clock cycles per sample period depend on the data convert...

Page 20: ...f the number of data points specified in the Test plug in Block Size control The ADSXXXXEVM PDK plug in disables all the front panel controls while acquiring and displays a progress bar as shown in Figure 17 Figure 17 Progress Bar While Collecting Data For more information on testing ADCs in general and using ADCPro and Test plug ins refer to the ACDPro User s Guide 7 2 Troubleshooting If ADCPro s...

Page 21: ... ECJ 2YB1C474K C11 C12 C14 0 1μF 0805 Ceramic X7R 50V 10 Panasonic ECJ 2YB1H104K C6 C8 C10 10μF 1206 Ceramic Y5V 10V 10 Panasonic ECJ 3YF1A106Z C5 C14 C15 10μF A Case Tantalum 10V Panasonic ECS T1AY106R L1 L2 L3 15μH Inductor SMT 1608 Series Inductors Inc CTDS1608C 153 J1 J2 top side 10 Pin Dual Row SMT Header 20 Pos Samtec TSM 110 01 T DV P J1B J2B bottom side 10 Pin Dual Row SMT Socket 20 Pos Sa...

Page 22: ...J3 5Va SCLK CS SDO REF REF CS SHDN 5 REF 1 GND 4 IN 2 IN 3 Vcc 8 DCLOCK 7 SDO 6 U1 3 4 1 5 2 U4 OPA353N R12 22 1 C6 10uF VIN 1 GND 3 OUT 2 U2 REF3025 C1 0 47uF 5Va R4 0 ohm R6 0 ohm C10 10uF VREF AD_IN AD_IN 5 3 U5 SN74LVC1G125 5 3 U6 SN74LVC1G125 TP3 TP1 TP5 TP7 TP4 TP6 R1 0 ohm C4 NI C2 NI C3 NI L1 15uF JMP1 V i o V i o V i o V adc JMP2 LVa V i o 5Vd 3 3Vd 1 2 3 4 5 6 7 8 JMP3 1 8Vd VD1 AGND DGN...

Page 23: ...ry Changes from Original December 2008 to A Revision Page Modified the MMB0 Initial Setup image 9 Replaced reference of wall supply to external supply in the Connecting the Power Supply section 11 Modified the Connecting an AC Adapter image 11 Modified Laboratory Power Supply Connection image 12 NOTE Page numbers for previous revisions may differ from page numbers in the current version ...

Page 24: ...ring 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 repair such EVM or provide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day warranty period 3 ...

Page 25: ... by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la rég...

Page 26: ... connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors cu...

Page 27: ...F 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 LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED 8 2 Specific Limitations IN NO EVENT SHALL T...

Page 28: ...esponsible 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 information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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