Analog Devices UG-447 User Manual
Analog Devices UG-447 User Manual

Analog Devices UG-447 User Manual

Evaluation board for the ad7091 analog-to-digital converter

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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
Evaluation Board for the

FEATURES

Full-featured evaluation board for the
On-board power supplies
Standalone capability
PC control in conjunction with system demonstration
platform (EVAL-SDP-CB1Z)
PC software for control and data analysis

ONLINE RESOURCES

Evaluation kit contents
EVAL-AD7091SDZ
evaluation board
Evaluation software CD for the
Documents needed
AD7091
data sheet
EVAL-AD7091SDZ
user guide
Required software
EVAL-AD7091SDZ
evaluation software
Design and integration files
Schematics, layout files, bill of materials

EQUIPMENT NEEDED

EVAL-AD7091SDZ
evaluation board
EVAL-SDP-CB1Z
system demonstration platform
External 7 V to 9 V power supply
AC or dc signal source
USB cable
PC running Windows with USB 2.0
SMB cable
BIPOLAR_IN
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
AD7091
AD7091
AD7091

FUNCTIONAL BLOCK DIAGRAM

ON-BOARD
POWER SUPPLIES
+5V, –5V, +3.3V, REF
VIN
V
IN
UNIPOLAR_OUT
BIAS UP
Figure 1.
EVAL-AD7091SDZ
Rev. 0 | Page 1 of 16

Evaluation Board User Guide

Analog-to-Digital Converter

GENERAL DESCRIPTION

The
EVAL-AD7091SDZ
designed to allow the user to easily evaluate all features of the
AD7091
analog-to-digital converter. A 7 V to 9 V external
bench top supply is regulated to ±5 V and 3.3 V to supply the
AD7091
and support all necessary components. The
AD7091SDZ
board connects to the USB port of the PC by
connecting to the
EVAL-SDP-CB1Z
The
EVAL-AD7091SDZ
ance analysis in the form of waveform graphs, histograms, and
FFT analysis for ADC performance evaluation.
On-board components include the
rail-to-rail op amp, the
dual op amp, the
ADP3303
linear regulator, and the
low dropout linear regulator. Other on-board components include
the
ADG3308
bidirectional logic level translator, the
precision voltage reference, the
and sequencer, and the
converter.
DC
VCC
GND
JACK
V
DD
CONVST
CS
AD7091
SCLK
SDO
GND
Block Diagram
is a full-featured evaluation board
motherboard.
software provides dynamic perform-
AD8031
high speed precision
AD8032
high speed precision rail-to-rail
high accuracy 200 mA, low dropout,
ADP7104
adjustable low noise 500 mA
REF196
ADM1185
quad voltage monitor
ADP1613
step-up dc-to-dc switching
ADSP-BF527
DSP
SDP BOARD
UG-447
EVAL-
3.3 V

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Summary of Contents for Analog Devices UG-447

  • Page 1: Features

    Evaluation Board User Guide UG-447 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 Evaluation Board for the AD7091 Analog-to-Digital Converter FEATURES GENERAL DESCRIPTION Full-featured evaluation board for the...
  • Page 2: Table Of Contents

    UG-447 Evaluation Board User Guide TABLE OF CONTENTS Evaluation Board Software ...............7 Features ....................1 Software Installation ..............7 Online Resources ................1 Launching the Software ..............8 Equipment Needed ................1 Description of Main Software Window ........10 General Description ................. 1 Waveform Capture ..............
  • Page 3: Eval-Ad7091Sdz Quick Start Guide

    USB port of the PC while installing the prompted by the operating system. software. The PC may need to be restarted after the Launch the AD7091(R) software from the Analog Devices installation. subfolder in the Programs menu.
  • Page 4: Evaluation Board Hardware

    VDD input via J702 to supply the AD7091 AD7091 data sheet, available from Analog Devices, which pin. Additionally, +5 V and −5 V should be supplied to should be consulted in conjunction with this user guide when connector J800 to supply the on-board amplifier circuits.
  • Page 5: Sockets/Connectors

    Evaluation Board User Guide UG-447 Table 2. Link Options Default Category Link Position Function Buffer This link is used to select the analog signal path. Settings In Position A, the analog signal is buffered via U2, a unity gain buffer.
  • Page 6: Eval-Ad7091Sdz Basic Hardware Setup

    UG-447 Evaluation Board User Guide EVAL-AD7091SDZ BASIC HARDWARE SETUP The EVAL-AD7091SDZ board connects to the EVAL-SDP- be used to ensure that the EVAL-AD7091SDZ EVAL-SDP- CB1Z system demonstration platform board. The EVAL- CB1Z boards are connected firmly together. AD7091SDZ board is the controller board, which is the...
  • Page 7: Evaluation Board Software

    CD. Double- click the setup.exe file from the CD to run the install. The default location for the software is C:\Program Files\Analog Devices\AD7091(R)\ Install the evaluation software before connecting the evaluation board and the EVAL-SDP-CB1Z...
  • Page 8: Launching The Software

    PC, the EVAL-AD7091SDZ software can be launched. To launch the software, perform the following steps: From the Start menu, select Programs >Analog Devices > Figure 10. EVAL-SDP-CB1Z Drivers Installation—Windows Security AD7091(R) > AD7091(R). The main window of the software then opens (see Figure 13).
  • Page 9 Evaluation Board User Guide UG-447 1. MENU BAR. 2. CONTROL BUTTONS. 3. DATA CAPTURE DISPLAY. Figure 13. Evaluation Software Main Window Figure 14. Connectivity Error Alert Rev. 0 | Page 9 of 16...
  • Page 10: Description Of Main Software Window

    UG-447 Evaluation Board User Guide DESCRIPTION OF MAIN SOFTWARE WINDOW The following tools allow user control of the different chart device enters power-down mode when the SAMPLE button is displays. When the software is launched, the main software clicked. window opens (see Figure 13).
  • Page 11 Evaluation Board User Guide UG-447 1. WAVEFORM ANALYSIS. Figure 16. Waveform Capture Tab Rev. 0 | Page 11 of 16...
  • Page 12: Ac Testing-Histogram

    UG-447 Evaluation Board User Guide Figure 17. Histogram Capture Tab DC TESTING—HISTOGRAM AC TESTING—HISTOGRAM The histogram is more commonly used for dc testing. Similar to Figure 17 shows the histogram capture tab. This tests the ac testing, this tests the ADC for the code distribution for the dc...
  • Page 13: Ac Testing-Fft Capture

    Evaluation Board User Guide UG-447 1. INPUT SIGNAL INFORMATION. 2. FUNDAMENTAL FREQUENCY AND AMPLITUDE. 3. PERFORMANCE DATA. Figure 18. FFT Capture Tab AC TESTING—FFT CAPTURE Figure 18 shows the FFT capture tab. This tests the traditional full-scale input range is more than a few volts peak...
  • Page 14: Summary Tab

    UG-447 Evaluation Board User Guide Figure 19. Summary Tab SUMMARY TAB Figure 19 shows the summary tab. The summary tab captures all the display information, providing it on one panel with a synopsis of the information, including key performance parameters, such as SNR and THD.
  • Page 15: Save File

    Evaluation Board User Guide UG-447 OPEN FILE SAVE FILE The software can load captured data for analysis. The software can save the current captured data for future analysis. Go to the File menu, and click Open (Sample Data). The open file dialog box opens.
  • Page 16: Evaluation Board Schematics And Ordering Information

    By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions set forth below (“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.

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