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EVAL-AD7276SDZ User Guide

UG-450

Rev. 0 | Page 5 of 20

A summary of the installation is displayed. Click Next to
continue.

Figure 6.

AD7276

Evaluation Board Software Installation:

Reviewing a Summary of the Installation

A dialog box informs you when the installation is
complete. Click Next.

Figure 7.

AD7276

Evaluation Board Software Installation:

Indicating When the Installation Is Complete

Installing the

EVAL-SDP-CB1Z

System Demonstration

Platform Board Drivers

After the installation of the evaluation board software is complete,
a welcome window is displayed for the installation of the

EVAL-

SDP-CB1Z

system demonstration platform board drivers.

With the

EVAL-SDP-CB1Z

board still disconnected from

the USB port of the PC, make sure that all other applications
are closed, and then click Next.

Figure 8.

EVAL-SDP-CB1Z

Drivers Setup:

Beginning the Drivers Installation

Select the location to install the drivers, and then click Next.

Figure 9.

EVAL-SDP-CB1Z

Drivers Setup:

Selecting the Location for Drivers Installation

10941-

006

10941-

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10941-

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Содержание EVAL-AD7276SDZ

Страница 1: ...upply and features throughput rates of up to 3 MSPS The part contains a low noise wide bandwidth track and hold amplifier that can handle input frequencies greater than 55 MHz The evaluation board can be controlled via the system demon stration platform SDP The EVAL SDP CB1Z board allows the evaluation board to be controlled via the USB port of a PC using the AD7276 evaluation software The EVAL AD...

Страница 2: ...guration Options 9 Setup Conditions 9 Evaluation Board Circuitry 11 Analog Inputs 11 Reference Options 11 Sockets Connectors 11 Modes of Operation 12 SDP Controlled Mode 12 Standalone Mode 12 How to Use the Software for Evaluating the AD7276 13 Setting Up the System for Data Capture 13 Overview of the Main Window 15 Generating a Waveform Analysis Report 16 Generating a Histogram of the ADC Code Di...

Страница 3: ... boards together using the nylon screw nut set included in the evaluation board kit to ensure that the boards are connected firmly together 3 Connect the 9 V power supply adapter included in the evaluation board kit to Connector J1 on the EVAL AD7276SDZ board 4 Connect the EVAL SDP CB1Z board to the PC using the supplied USB cable If you are using Windows XP you may need to search for the EVAL SDP...

Страница 4: ...th the EVAL SDP CB1Z board disconnected from the USB port of the PC insert the installation CD into the CD ROM drive 2 Double click the setup exe file to begin the evaluation board software installation The software is installed to the following default location C Program Files Analog Devices EVAL AD7276_77_78SDZ AD7276 3 A dialog box appears asking for permission to allow the program to make chan...

Страница 5: ...monstration Platform Board Drivers After the installation of the evaluation board software is complete a welcome window is displayed for the installation of the EVAL SDP CB1Z system demonstration platform board drivers 1 With the EVAL SDP CB1Z board still disconnected from the USB port of the PC make sure that all other applications are closed and then click Next Figure 8 EVAL SDP CB1Z Drivers Set...

Страница 6: ... drivers installation click Finish which closes the installation wizard Figure 11 EVAL SDP CB1Z Drivers Setup Completing the Drivers Setup Wizard 5 Before using the evaluation board you must restart your computer A dialog box opens giving you the following options Restart Shut Down Restart Later Click the appropriate button Figure 12 EVAL SDP CB1Z Drivers Setup Restarting the Computer 10941 010 10...

Страница 7: ...valuation board and EVAL SDP CB1Z board to the USB port of the PC to ensure that the evaluation system is correctly recognized when it is connected to the PC Configuring the Evaluation and SDP Boards 1 Connect the EVAL AD7276SDZ board to Connector A or Connector B of the EVAL SDP CB1Z board see Figure 2 a Screw the two boards together using the nylon screw nut set included in the evaluation board ...

Страница 8: ...alone mode see the Modes of Operation section for more information When the EVAL AD7276SDZ board is used in conjunction with the EVAL SDP CB1Z board SDP controlled mode connect the ac transformer to Connector J1 on the EVAL AD7276SDZ board The VDD AMP and AMP supplies are generated on board When the EVAL AD7276SDZ board is used in standalone mode the VDD and amplifier supplies must be sourced from...

Страница 9: ...rminal 3 LK3 Bias up voltage selection Selects the voltage level that is supplied to U4 Position A the bias up voltage level that is supplied to U4 is VDD Position B the bias up voltage level that is supplied to U4 is 0 V LK4 VDD source selection Position A VDD is sourced from U5 Position B VDD is sourced externally via J4 LK5 U5 output voltage selection Inserted the U5 output voltage is 3 0 V Rem...

Страница 10: ...ut impedance is 51 Ω LK7 A The CS signal is connected to EVAL SDP CB1Z LK8 Inserted The biased up input signal is connected to the U7 input buffer LK9 A The SCLK signal is connected to EVAL SDP CB1Z LK10 A The input signal is connected to the U7 input buffer LK11 Inserted The VIN input impedance is 51 Ω LK12 A The SDATA signal is connected to EVAL SDP CB1Z ...

Страница 11: ...er Table 5 Bipolar Input Jumper Settings Link Jumper Settings LK11 Removed All Other Links Set as described in Table 3 REFERENCE OPTIONS The following on board reference supply is available AD780 2 5 V 3 0 V ultrahigh precision band gap voltage ref erence The reference is taken from the VDD pin of the AD7276 Alternatively an external reference voltage can be applied to J4 SOCKETS CONNECTORS Table ...

Страница 12: ...g level shifters The EVAL SDP CB1Z operates at a 3 3 V logic level which allows logic voltages that exceed 3 3 V to be used without damaging the SDP interface STANDALONE MODE The EVAL AD7276SDZ can also be used without the EVAL SDP CB1Z controller board In this case the EVAL AD7276SDZ is connected to the digital interface using the SMB connectors as described in Table 7 Table 7 Standalone Jumper S...

Страница 13: ...e list of System Tools see Figure 13 b Analog Devices System Development Platform 32MB should appear under ADI Development Tools indicating that the EVAL SDP CB1Z driver software is installed and that the board is connected to the PC correctly Figure 13 Device Manager Checking that the Board Is Connected to the PC Correctly Launching the Software After completing the steps in the Setting Up the Sy...

Страница 14: ...er Guide Rev 0 Page 14 of 20 Figure 15 Evaluation Software Main Window 10941 015 CONTROL CURSOR CONTROL PANNING CONTROL ZOOMING NOTES 1 FOR DETAILS ABOUT THE AREAS HIGHLIGHTED IN RED SEE THE OVERVIEW OF THE MAIN WINDOW SECTION ...

Страница 15: ...e 10k for 10 000 Hz The software automatically adjusts the sample frequency according to the ability of the ADC being evaluated For example if you enter a value that is beyond the ability of the device the software indicates this and reverts to the maximum sample frequency Exit Button Section 5 Clicking Exit labeled 5 in Figure 15 closes the software Alternatively you can select Exit from the File...

Страница 16: ... ANALYSIS REPORT Figure 18 illustrates the waveform capture tab for a 50 kHz sine wave input signal The Waveform Analysis area labeled 1 in Figure 18 reports the amplitudes recorded from the captured signal and the frequency of the signal tone Figure 18 Waveform Tab 10941 016 ...

Страница 17: ...k the Histogram tab from the main window 3 Click Sample Raw data is then captured and passed to the PC for statistical computations and various measured values are displayed in the Histogram Analysis area DC Input A histogram test of dc input can be performed with or without an external source because the evaluation board has a buffered VREF 2 source at the ADC input To perform a histogram test of...

Страница 18: ...soidal signal applied b If a low frequency band pass filter is used when the full scale input range is more than a few volts peak to peak use the on board amplifiers to amplify the signal thus preventing the filter from distorting the input signal 2 Click the FFT tab from the main window 3 Click Sample As in the histogram test raw data is then captured and passed to the PC which performs the FFT a...

Страница 19: ...WAVEFORM HISTOGRAM AND FAST FOURIER TRANSFORM Figure 21 shows the Summary tab The Summary tab captures all the display information and provides it in one panel with a synopsis of the information including key performance parameters such as SNR and THD Figure 21 Summary Tab 10941 019 ...

Страница 20: ...s used herein the term Third Party includes any entity other than ADI Customer their employees affiliates and in house consultants The Evaluation Board is NOT sold to Customer all rights not expressly granted herein including ownership of the Evaluation Board are reserved by ADI CONFIDENTIALITY This Agreement and the Evaluation Board shall all be considered the confidential and proprietary informa...

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