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SLAU726 – August 2017

DAC90x Evaluation Module

User's Guide

SLAU726 – August 2017

DAC90x Evaluation Module

This user's guide describes the function and use of the DAC90x evaluation module (EVM). Included in this
document are a quick-start guide, instructions for optimizing evaluation results, jumper and connector
descriptions, software description, and alternate hardware configurations.

Contents

Overview

......................................................................................................................

1.1

Required Hardware

.................................................................................................

1.2

Required Software

..................................................................................................

1.3

Evaluation Board Feature Identification Summary

.............................................................

1.4

References

..........................................................................................................

Quick-Start Guide

............................................................................................................

2.1

Software Installation

................................................................................................

2.2

Hardware Setup Procedure

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2.3

Software Setup Procedure

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2.4

Quick-Start Troubleshooting

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Alternate Hardware Configurations

........................................................................................

3.1

Control Modes

.......................................................................................................

3.2

External Clock Generation

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3.3

Analog Output Circuits

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Appendix A

Jumper and Connector Descriptions

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List of Figures

DAC90xEVM Block Diagram

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EVM Feature Locations

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Quick-Start Test Setup

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Power Supply Connections

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HSDC Pro GUI Main Panel

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Reconfiguration Hardware Location

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External Clock Signal

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List of Tables

Configuration Files

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Troubleshooting Tips

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Jumper Descriptions and Default Settings

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Connector Descriptions

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J1 Parallel Data Connector

...............................................................................................

J4 and J2 Power Connectors

.............................................................................................

Trademarks

Microsoft, Windows are registered trademarks of Microsoft Corporation.
All other trademarks are the property of their respective owners.

Содержание DAC90 EVM Series

Страница 1: ...lation 4 2 2 Hardware Setup Procedure 5 2 3 Software Setup Procedure 6 2 4 Quick Start Troubleshooting 8 3 Alternate Hardware Configurations 9 3 1 Control Modes 9 3 2 External Clock Generation 10 3 3 Analog Output Circuits 10 Appendix A Jumper and Connector Descriptions 12 List of Figures 1 DAC90xEVM Block Diagram 2 2 EVM Feature Locations 3 3 Quick Start Test Setup 5 4 Power Supply Connections 6 ...

Страница 2: ...odule The TSW1400EVM is programed through TI s High Speed Data Converter Pro Graphic User Interface HSDC Pro GUI software tool for high speed data converter evaluation Figure 1 DAC90xEVM Block Diagram 1 1 Required Hardware The following equipment is included in the EVM evaluation kit DAC90xEVM The following list of equipment are items that are not included in the EVM evaluation kit but are items r...

Страница 3: ...d is available online See References Section 1 4 for links High Speed Data Converter Pro software version 4 7 1 3 Evaluation Board Feature Identification Summary The EVM features are labeled in Figure 2 Figure 2 EVM Feature Locations 1 4 References DAC90x data sheet SBAS093 available at www ti com product DAC900 TSW1400EVM User s Guide SLWU079 available at www ti com tool TSW1400EVM High Speed Dat...

Страница 4: ...t of the required software The References section of this document contains links to find the software on the TI website Important The software must be installed before connecting the DAC90xEVM and TSW1400EVM to the computer for the first time 2 1 1 High Speed Data Converter Pro GUI Installation The High Speed Data Converter Pro HSDC Pro is used to control the TSW1400EVM and analyze the captured d...

Страница 5: ...k start procedure The rest of this section describes the hardware setup steps Figure 3 Quick Start Test Setup 2 2 1 TSW1400EVM Setup Set up the TSW1400EVM with the following steps 1 Connect the DAC90xEVM to the TSW1400EVM by connecting pin 1 of the CMOS_INTERFACE J1 to pin 1 of the DAC90xEVM output data J1 2 Connect the power cable to connector J12 5 V IN to the TSW1400EVM 3 Connect the mini USB c...

Страница 6: ...gure 4 Power Supply Connections 2 Connect the SMA connector from the pulse generator to the EXT Clock input J5 3 Turn on the power supply 4 Connect an SMA cable from the output of the DAC90xEVM J6 to the input of the spectrum analyzer 2 3 Software Setup Procedure The software can be opened and configured once the hardware is properly setup 2 3 1 HSDC Pro GUI Configuration 1 Open High Speed Data Co...

Страница 7: ...eing used see Table 1 Table 1 Configuration Files DAC90xEVM Variant Configuration File DAC900 CMOS_10_Bit DAC902 CMOS_12_Bit DAC904 CMOS_14_Bit DAC908 CMOS_8_Bit 6 When prompted to update the firmware for the DAC click Yes and wait for the firmware to download to the TSW1400 This takes approximately 10 seconds 7 Enter 150M into the Data Rate SPS field at the upper portion of the DAC tab and ensure...

Страница 8: ...e TSW1400EVM Verify that the EVM configuration GUI is communicating with the USB and that the configuration procedure has been followed Try capturing data in HSDC Pro to force an LED status update HSDC Pro software is not capturing good data or analysis results are incorrect Verify that the TSW1400EVM is properly connected to the PC with a mini USB cable and that the board serial number is properl...

Страница 9: ... pins of the DAC904 DAC902 DAC900 and DAC908 control various DAC features and functions This section describes the function of these pins 3 1 1 FSA Input Pin For an output current of 20 mA the potentiometer R14 value is typically set to 2 kΩ Owing to the fact that the maximum full scale current is 20 mA when IOUT1 and IOUT2 are terminated into 50 Ω load resistors the voltage at J8 and J9 is 1 V 3 ...

Страница 10: ...oupling by default The 1 1 RF transformer is used for impedance matching dc isolation and interfacing between the differential outputs of the DAC and an external single ended device The resistors R23 R24 and R29 are used to form a network that reflects 50 Ω across the primary circuit J6 A spectrum analyzer with 50 Ω input impedance is normally used to measure the performance of the DAC A 50 Ω coax...

Страница 11: ...ates as an inverting amplifier under the following conditions W9 is connected R27 is set to 0 Ω W8 pins 1 and 2 are connected together and the input is from either W6 position B or W7 position D If the input is via W6 position B the output at J7 is 1 2 V If the input is via W7 position D the output will be 1 2 V 3 3 3 3 Non Inverting Amplifier Configuration The THS3001 operates as a non inverting ...

Страница 12: ...2 3 W3 Selects external or internal Vref Shunt pins 1 2 W4 Supplies external Vref to the DAC Open W5 No function N A W6 Selects IOUT1 or IOUT2 output from DAC to amplifier or transformer Position C W7 Selects IOUT1 or IOUT2 output from DAC to amplifier or transformer Position F W8 Configures the op amp for either differential input noninverting or inverting mode Shunt pins 2 3 W9 Configures the op...

Страница 13: ..._12 8 Ground digital 9 DSP_11 10 Ground digital 11 DSP_10 12 Ground digital 13 DSP_09 14 Ground digital 15 DSP_08 16 Ground digital 17 DSP_07 18 Ground digital 19 DSP_06 20 Ground digital 21 DSP_05 22 Ground digital 23 DSP_04 24 Ground digital 25 DSP_03 26 Ground digital 27 DSP_02 28 Ground digital 29 DSP_01 30 Ground digital 31 DSP_00 LSB 32 Ground digital 33 CLKOUT 34 Ground digital A 1 3 Power ...

Страница 14: ...y set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during 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 warr...

Страница 15: ...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 réglementation d Industrie Canada le présent émetteur radio peut fo...

Страница 16: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user guide prior to 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 ...

Страница 17: ...COST OF 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 TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Страница 18: ... TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI product...

Страница 19: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments DAC900EVM DAC902EVM DAC904EVM DAC908EVM ...

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