Analog Devices EVAL-ADAQ7980SDZ User Manual
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Analog Devices EVAL-ADAQ7980SDZ User Manual

Analog Devices EVAL-ADAQ7980SDZ User Manual

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One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluating the

FEATURES

Full featured evaluation board for the
Versatile analog signal conditioning circuitry
On-board reference, reference buffers, and ADC drivers
SDP board-compatible (EVAL-SDP-CB1Z)
PC software for control and data analysis of time and
frequency domain

EVALUATION KIT CONTENTS

EVAL-ADAQ7980SDZ
evaluation board
Wall power supply 9 V dc adapter
Daughter card power connector
Nylon screws

EQUIPMENT NEEDED

System demonstration platform (EVAL-SDP-CB1Z)
Precision analog signal source
Power supply, +7.5 V/−2.5 V (optional)
USB cable
SMA cable
PC running Windows® XP SP2, Windows® Vista, Windows® 7,
or higher with USB 2.0 port

ONLINE RESOURCES

ADAQ7980/ADAQ7988
data sheet
EVAL-ADAQ7980SDZ
user guide
ADAQ798x Evaluation Software
FAQs
and
Troubleshooting
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
ADAQ7980
16-Bit, 1 MSPS, Integrated SAR ADC Subsystem in LGA
ADAQ7980
EVAL-ADAQ7980SDZ User Guide

GENERAL DESCRIPTION

The
EVAL-ADAQ7980SDZ
demonstrate the low power
an easy to understand interface for a variety of system applications.
The
ADAQ7980
subsystem that integrates four common signal processing and
conditioning blocks into a system in package (SiP) design that
supports a variety of applications.
The
EVAL-ADAQ7980SDZ
despite being populated with the ADAQ7980. To mimic the
evaluation of the
sample rate of the
Evaluation
The evaluation board is ideal for use with the Analog Devices, Inc.,
system demonstration platform (SDP) board, EVAL-SDP-CB1Z.
The
EVAL-ADAQ7980SDZ
120-pin connector. P1, P2, P3, and P4 SMA connectors are
provided to connect a low noise analog signal source.
The
ADAQ798x Evaluation Software
evaluation board over the USB through the EVAL-SDP-CB1Z.
See the Related Links section for a list of on-board components.
A full description and complete specifications for the
are provided in the
be consulted in conjunction with this user guide when using the
evaluation board. Full details on the
on the
SDP-B
Rev. 0 | Page 1 of 30
is an evaluation board designed to
ADAQ7980
performance and provide
is a 16-bit analog-to-digital converter (ADC)
can also evaluate the ADAQ7988,
ADAQ7988
performance, limit the maximum
ADAQ7980
to 500 kSPS in the
Software.
interfaces to the SDP board via a
executable controls the
ADAQ7980/ADAQ7988
EVAL-SDP-CB1Z
product page.
UG-1060
ADAQ798x
ADAQ7980
data sheet and should
are available

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Summary of Contents for Analog Devices EVAL-ADAQ7980SDZ

  • Page 1: Features

    ADAQ798x Nylon screws Evaluation Software. EQUIPMENT NEEDED The evaluation board is ideal for use with the Analog Devices, Inc., System demonstration platform (EVAL-SDP-CB1Z) system demonstration platform (SDP) board, EVAL-SDP-CB1Z. Precision analog signal source EVAL-ADAQ7980SDZ interfaces to the SDP board via a Power supply, +7.5 V/−2.5 V (optional)

  • Page 2: Table Of Contents

    General Description ................. 1 Configure Tab ................16     Revision History ................2 Waveform Tab ................17     EVAL-ADAQ7980SDZ Evaluation Board ........3 Histogram Tab ................18     Getting Started .................. 4 FFT Tab ..................19    ...

  • Page 3: Eval-Adaq7980Sdz Evaluation Board

    EVAL-ADAQ7980SDZ User Guide UG-1060 EVAL-ADAQ7980SDZ EVALUATION BOARD Figure 1. Rev. 0 | Page 3 of 30...

  • Page 4: Getting Started

    GETTING STARTED Select a location to install the software and click Next. The The following section contains the installation instructions for default location is C:\Program Files (x86)\Analog Devices\ ADAQ798x Evaluation Software and the drivers for the SDP ADAQ798x. This location also contains the executable hardware required for operation of the software.
  • Page 5 EVAL-ADAQ7980SDZ User Guide UG-1060 An installation summary displays. Click Next to continue. Figure 8. Loading the Setup for SDP Drivers Installation Installing the EVAL-SDP-CB1Z SDP Board Drivers After the installation of the evaluation board software completes, a welcome window displays for the installation of the...

  • Page 6: Evaluation Board Setup Procedures

    EVAL-SDP-CB1Z SDP board. The EVAL-SDP-CB1Z board is the controller board, which is the communication link between the PC and the EVAL-ADAQ7980SDZ. The following describes how to connect EVAL-SDP-CB1Z to the EVAL-ADAQ7980SDZ hardware and the PC. Figure 11.
  • Page 7 EVAL-ADAQ7980SDZ User Guide UG-1060 iii. The Computer Management window appears. From the list of System Tools, click Device Manager. Under ADI Development Tools, Analog Devices System Development Platform SDP-B appears (see Figure 15), indicating the EVAL-SDP-CB1Z driver software is installed and the EVAL-ADAQ7980SDZ connected to the PC correctly.

  • Page 8: Evaluation Board Hardware

    UG-1060 EVAL-ADAQ7980SDZ User Guide EVALUATION BOARD HARDWARE PLUG POWER SUPPLY CIRCUITRY ADP7118, ADP2370, ADP7182 +7.5V/+5.0V +7.5V –2.5V +5.0V +3.3V +5.0V/+3.3V REFERENCE CIRCUITRY ADR4550/ADR3433 +7.5V/+5.0V +7.5V/+5.0V REF_OUT LDO_OUT PD_LDO PD_REF 10µF +3.3V 2.2µF VIN+ 20Ω IN– ADSP-BF527 1.8nF AMP_OUT ADAQ7980 ADCN V–...

  • Page 9: Analog Inputs

    EVAL-ADAQ7980SDZ User Guide UG-1060 Table 1 shows the configurations required for using the two on- If the input source cannot supply the dc bias, a common mode board references and an external reference. voltage generated on board (labeled VCM in Figure 17) can connect to the noninverting input of the ADC driver through Table 1.

  • Page 10: Power Supplies

    UG-1060 EVAL-ADAQ7980SDZ User Guide For dynamic performance, conduct a fast Fourier transform To evaluate the ADAQ7980 in a single-supply configuration, (FFT) test by applying a very low distortion ac source. connect the V− pin to ground and connect the V+ and VDD pins to either 7.5 V or 5 V.

  • Page 11: Link Configuration Options

    EVAL-ADAQ7980SDZ User Guide UG-1060 LINK CONFIGURATION OPTIONS Take care before applying power and signals to the evaluation Table 6 shows the default positions in which the links are set board to ensure all link positions are set as required by the when the evaluation board is packaged.

  • Page 12: Modes Of Operation

    UG-1060 EVAL-ADAQ7980SDZ User Guide MODES OF OPERATION EVAL-ADAQ7980SDZ communicates with the EVAL-SDP- SDP CONTROLLED MODE CB1Z board using a 3.3 V logic level. Logic voltages that exceed ADAQ7980 uses a high speed serial interface that allows 3.3 V can damage the SDP interface.

  • Page 13: Evaluation Board Software Setup Procedures

    EVAL-ADAQ7980SDZ is connected. The software then attempts to connect to the SDP board and the EVAL-ADAQ7980SDZ. If the SDP board is not found, an Without Hardware Connected error window displays (see Figure 18). If the SDP board is The software can run in standalone mode when no evaluation...
  • Page 14 UG-1060 EVAL-ADAQ7980SDZ User Guide If operating in standalone mode, the window in Figure 21 Load example files or previously saved files via File > Load displays. data. The contents of the loaded file update the various plots in the software.

  • Page 15: Evaluation Board Software

    The Help menu provides the following options: Busy Indicator • The Analog Devices Website option opens the Analog The Busy indicator indicates when the software is performing Devices website in the default browser. operations, for example, when running conversions and analysis.

  • Page 16: Configure Tab

    Eval Board Connected Field ADAQ7980. See the ADAQ7980/ADAQ7988 data sheet for a The Eval Board Connected field displays EVAL-ADAQ7980SDZ description of DPS. when the evaluation board is connected to the USB port. Both ADC driver DPS settings are controlled by the ADC Driver...

  • Page 17: Waveform Tab

    EVAL-ADAQ7980SDZ User Guide UG-1060 Figure 23. Waveform Tab The indicators include the following: WAVEFORM TAB • Pk-pk Amplitude displays the difference between the The following sections contains information on the contents of maximum and minimum values in the data. the Waveform tab (see Figure 23).

  • Page 18: Histogram Tab

    UG-1060 EVAL-ADAQ7980SDZ User Guide Figure 24. Histogram Tab The parameters include the following: HISTOGRAM TAB • Max Amplitude displays the maximum value in the data. Histogram Plot • Min Amplitude displays the minimum value in the data. The histogram plot contains a histogram of the results obtained •...

  • Page 19: Fft Tab

    EVAL-ADAQ7980SDZ User Guide UG-1060 Figure 25. FFT Tab • RMS Noise displays the rms voltage of the noise floor in FFT TAB the FFT plot. Specifically, this calculation includes all The following contains information on the contents of the FFT tab frequency bins in the FFT plot that are not displayed in the (see Figure 25).

  • Page 20: Summary Tab

    UG-1060 EVAL-ADAQ7980SDZ User Guide Figure 26. Summary Tab • DC Offset/Mean displays the average value of the data SUMMARY TAB (displayed in V and LSB). The following contains information on the contents of the • Transition Noise (PP) displays the peak-to-peak value of Summary tab (see Figure 26).

  • Page 21: Evaluation Hardware And Software Operation

    EVAL-ADAQ7980SDZ User Guide UG-1060 EVALUATION HARDWARE AND SOFTWARE OPERATION The following section outlines how to use the ADAQ798x DC Input Evaluation Software to capture, analyze and view conversion To perform a histogram test of dc input, results from the ADAQ7980.

  • Page 22: Generating A Summary Of The Waveform, Histogram, And Fast Fourier Transform

    UG-1060 EVAL-ADAQ7980SDZ User Guide OPERATING THE EVALUATION SOFTWARE IN GENERATING A SUMMARY OF THE WAVEFORM, STANDALONE MODE HISTOGRAM, AND FAST FOURIER TRANSFORM The software can run in standalone mode when no evaluation Figure 26 shows the Summary tab. The Summary tab captures board hardware is connected to the USB port.

  • Page 23: Evaluation Board Schematics And Artwork

    EVAL-ADAQ7980SDZ User Guide UG-1060 EVALUATION BOARD SCHEMATICS AND ARTWORK Figure 28. EVAL-ADAQ7980SDZ Schematic, Page 1 Rev. 0 | Page 23 of 30...
  • Page 24 UG-1060 EVAL-ADAQ7980SDZ User Guide SDP CONNECTO R SDP_3.3V SDP_3.3V SDP_3.3V 24LC32A-I/MC 100kΩ 100kΩ 100kΩ RESET_IN_N BMODE1 UART_RX UART_TX 100kΩ INTERFACE GLUE LOGIC AGND RESET_OUT_N SLEEP_N EEPROM_A0 WAKE_N VDRIVE VDRIVE AGND AGND CLKOUT REF_PD SPORT_RSCLK TMR_C TMR_D SPORT_TSCLK RBUF_PD AMP_PD TMR_A...
  • Page 25 EVAL-ADAQ7980SDZ User Guide UG-1060 REFERENCE SOURCES ADR4550BRZ 5 VOLTS VOUT 0Ω 0Ω 10µF 0.1µF 0.1µF 10µF 2700PF AGND AGND 0Ω AGND ONBOARD_7P5V 5V_REF ON_BOARD_REF ON_BOARD_REF ONBOARD_5V ON-BOARD/BENCH 3P3V_REF EXT_REF 3PIN_JUMPER_SM M20-9990345 M20-9990345 ADR3433ARJZ 3.3 VOLTS VOUT_FORCE 0Ω 0Ω ENABLE VOUT_SENSE 0.1µF...
  • Page 26 UG-1060 EVAL-ADAQ7980SDZ User Guide VDD SUPPLY VDRIVE SUPPLY ONBOARD_7P5V 0Ω ONBOARD_VDD 0Ω ADP7118AUJZ-3.3 ONBOARD_5V V_IN 2700pF M20-9990345 VOUT VDRIVE SENSE/ADJ SDP_3P3V ONBOARD_VDD 2.2µF 2.2µF M20-9990345 VDD_BENCH 0Ω AGND AGND AGND M20-9990345 AGND SDP SUPPLY ONBOARD_5V V_SDP VSDP_BENCH M20-9990345 IF SUPPLYING FROM VSDP_BENCH (P2 = 3), VSDP_BENC NEEDS TO BE LIMITED TO 5V MA X Figure 31.
  • Page 27 EVAL-ADAQ7980SDZ User Guide UG-1060 Figure 33. EVAL-ADAQ7980SDZ Evaluation Board Silkscreen—Top Assembly Figure 34. EVAL-ADAQ7980SDZ Evaluation Board—Top Layer Rev. 0 | Page 27 of 30...
  • Page 28 UG-1060 EVAL-ADAQ7980SDZ User Guide Figure 35. EVAL-ADAQ7980SDZ Evaluation Board Layer 2—Ground Figure 36. EVAL-ADAQ7980SDZ Evaluation Board Layer 3—Power Rev. 0 | Page 28 of 30...
  • Page 29 EVAL-ADAQ7980SDZ User Guide UG-1060 Figure 37. EVAL-ADAQ7980SDZ Evaluation Board—Bottom Layer Rev. 0 | Page 29 of 30...

  • Page 30: Related Links

    (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc.

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