Analog Devices EVAL-AD7928SDZ Manual de usuario

EVAL-AD7928SDZ User Guide

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www.analog.com

Evaluating the AD7606 16-Bit simultaneous sampling, 8-Channel, SAR ADC

PLEASE SEE THE LAST PAGE FOR AN IMPORTANT

WARNING AND LEGAL TERMS AND CONDITIONS.

Rev. PR.A| Page 1 of 13

FEAT RES

Full featured evaluation board for the AD7606

On-board power supplies

Standalone capability

System demonstration platform (SDP) compatible

(EVAL-SDP-CB1Z)

PC software for control and data analysis (download from

AD7606 product page)

EVAL ATION KIT CONTENTS

EVAL-AD7606SDZ evaluation board

Evaluation software CD for the AD7606

Mains power supply adapter

Screw/nut kit

ADDITIONAL EQ IPMENT NEEDED

EVAL-SDP-CB1Z system demonstration platform

PC running Windows Vista or Windows 7 with SB 2.0 port

Signal source

SMB cables

SB cable

ONLINE RESO RCES

Documents Needed

AD7606 data sheet

EVAL-AD7606SDZ user guide

Required Software

AD7606 evaluation software

Design and Integration Files

Schematics, layout files, bill of materials

EVAL ATION BOARD DESCRIPTION

The EVAL-AD7606SDZ is a full featured evaluation board that

allows the user to easily evaluate all the features of the AD7606

analog-to-digital onverter (ADC). The evaluation board an be

ontrolled by the EVAL-SDP-CB1Z SDP board via a 120-way

SDP onne tor (J102). The SDP board allows the evaluation

board to be ontrolled through the USB port of a PC using the

AD7606 evaluation software, whi h is available for download

from the produ t page or from the installer CD in luded in the

evaluation board kit.

On-board omponents in lude the following:

•ADP7104ARDZ-5.0: 5 V, low noise LDO

•ADR421: high pre ision, band gap voltage referen e

TYPICAL SET P

Figure 1.

EVAL-AD7928SDZ User Guide

Rev. Pr.A | Page 2 of 13

TABLE OF CONTENTS

Features .............................................................................................. 1

Evaluation Kit Contents ................................................................... 1

Additional Equipment Needed ....................................................... 1

Online Resour es .............................................................................. 1

Evaluation Board Des ription......................................................... 1

Typi al Setup ..................................................................................... 1

Revision History ............................................................................... 2

Qui k Start Guide ............................................................................. 3

Evaluation Board Hardware ............................................................ 4

Devi e Des ription ....................................................................... 4

Hardware Link Options ............................................................... 4

Power Supplies ...............................................................................4

So kets/Conne tors ......................................................................6

Evaluation Board Software ...............................................................7

Software Installation .....................................................................7

Software Operation .................................................................... 10

Using the Software.......................................................................... 11

Configuration Tab ...................................................................... 11

Data Capture Tab........................................................................ 11

Taking Samples ........................................................................... 11

REVISION HISTORY

1/15—Revision Pr.A: Initial Version

EVAL-AD7928SDZ User Guide

Rev. PR.A | Page 3 of 13

QUICK START GUIDE

Follow these steps to qui kly evaluate the AD7606 ADC. For

detailed instru tions, see the subsequent se tions.

1. Install the evaluation software from the AD7606 produ t page

or from the in luded CD. Ensure that the EVAL-SDP-CB1Z

SDP board is dis onne ted from the USB port of the PC

while installing the software. (The PC may need to be

restarted after the installation.)

2. Ensure that the various link options are onfigured as

outlined in Table 2.

3. Conne t the EVAL-SDP-CB1Z SDP board to the

evaluation board as shown in Figure 2. S rew the two

boards together using the en losed nylon s rew/nut set to

ensure that the boards onne t firmly together.

4. Conne t a 5V power supply to J1 and ensure LK1 is in

position A.

5. Conne t the EVAL-SDP-CB1Z SDP board to the PC via

the USB able. Choose to automati ally sear h for the

drivers for the SDP board if prompted by the operating

system.

6. Laun h the evaluation software from the Analog Devices

subfolder in the Programs menu.

7. Conne t an input signal via V1-8.

Figure 2. Evaluation Board (Left) Connected to the SDP Board (Right)

EVAL-AD7928SDZ User Guide

Rev. Pr.A | Page 4 of 13

EVALUATION BOARD ARDWARE

DEVICE DESCRIPTION

The AD7606 ADC is a 16-bit, , 8- hannel, simultaneous

sampling su essive approximation ADC. The devi e operates

from a single 2.7 V to 5.25 V power supply and features

throughput rates of up to 200 KSPS. The devi e has onboard

1MΩ input buffers meaning dire t onne tion from sensor to

ADC.

Full data on the AD7606 is available in the AD7606 data sheet,

whi h should be onsulted in onjun tion with this user guide

when using the evaluation board. Full details on the EVAL-

SDP-CB1Z are available at the SDP board produ t page.

HARDWARE LINK OPTIONS

The fun tions of the link options are des ribed in Table 2. The

default setup is onfigured to operate the evaluation board with

the main power supply or 9 V adapter and to interfa e to the SDP

board.

POWER S PPLIES

Before applying power and signals to the evaluation board,

ensure that all link positions are set a ording to the required

operating mode. See Table 2 for the omplete list of link options.

The AD7606 evaluation board is supplied with a wall-

mountable swit hing power supply that provides 9 V d output.

Conne t the supply to a 100 V to 240 V a wall outlet at 50 Hz

to 60 Hz. The output from the supply is provided through a 2.0

mm inner diameter ja k that onne ts to the evaluation board

at J1. The 9 V supply is onne ted to the on-board, 5 V linear

regulator that supplies the orre t bias to ea h of the various

se tions on the evaluation board and on the EVAL-SDP-CB1Z

SDP board.

When using the EVAL-AD7606SDZ evaluation board with the

EVAL-SDP-CB1Z SDP board, power the evaluation board

through the J1 onne tor.

If the evaluation board is used without the 9 V adapter, an

external power supply in the range 7 V to 9 V must be

onne ted to J3 to supply the ADP7104 5V linear regulator.

Ea h supply is de oupled on this evaluation board using 10 µF

tantalum and 100 nF multilayer erami apa itors.

Table 1. External Power upplies Required

Power

Supply

Voltage

Range Description

DC Jack 7 V to 9 V ± 5% Su lies ower to on-board

ower management devices

J3 7 V to 9 V Digital logic su ly

EVAL-AD7928SDZ User Guide

Rev. PR.A | Page 5 of 13

Table 2. Link Options

Link Default Position Function

LK1 A This link is used to select the ower su ly source for the EVAL-AD7606SDZ.

In Position A, the board is owered with the J1 wall wart connector.

In Position B, The J3 terminal block s the source.

LK2 INSERT This link is used to su ly the SDP ower su ly form the AD7606SDZ board

Inserted the EVAL-SDP-CB1Z is owered from the ADP7104 5V linear regulator

LK3 B LK3 is used to select the VDrive source for the AD7606.

In Position A: The AD7606 is su lied with 3.3V Drive

In Position B, the AD7606 is su lied with 5V VDrive, 5V VDrive is needed to run the device at 200KSPS

in serial interface mode.

SL1 A In Position A, the CS signal is su lies from the SDP terminal J2.

In Position B, The CS SMB is selected.

SL2 A In Position A, the SCLK signal is su lies from the SDP terminal J2.

In Position B, The SCLK SMB is selected.

SL3 A In Position A, the STANDBY signal is su lies from the SDP terminal J2.

In Position B, The STANDBY SMB is selected.

SL4 A In Position A, the CS signal is su lies from the SDP terminal J2.

In Position B, The CS SMB is selected.

SL5 A In Position A, the RESET signal is su lies from the SDP terminal J2.

In Position B, The RESET SMB is selected.

SL6 A In Position A, the CS signal is su lies from the SDP terminal J2.

In Position B, The CS SMB is selected.

SL7 A In Position A, the CONVST signal is su lies from the SDP terminal J2.

In Position B, The CONVST SMB is selected.

K0-15 DNI Solder links for by assing U5 level translator. In the

EVAL-AD7928SDZ User Guide

Rev. Pr.A | Page 6 of 13

SOCKETS/CONNECTORS

The onne tors and so kets on the AD7606 evaluation board

are outlined in Table 3.

Table 3. On-Board Connectors

Connector Function

J1 7 V to 9 V, 2.0 mm dc jack connector

J2 120-way connector for EVAL-SDP-CB1Z interface

J3 External ower connector, 7 V to 9 V dc in ut

J1-8 Analog in ut terminal block.

The default interfa e to this evaluation board is via the 120-way

onne tor, whi h onne ts the AD7606evaluation board to the

EVAL-SDP-CB1Z SDP board.

EVAL-AD7928SDZ User Guide

Rev. PR.A | Page 7 of 13

EVALUATION BOARD SOFTWARE

SOFTWARE INSTALLATION

The EVAL-AD7606SDZ kit in ludes the evaluation software on

a CD; the software is also available for download from the

AD7606 produ t page.

There are two parts to the installation:

•EVAL-AD7606SDZ evaluation software installation

•EVAL-SDP-CB1Z SDP board drivers installation

Warning

The evaluation board software and drivers must be installed

before onne ting the evaluation board and SDP board to the

USB port of the PC to ensure that the evaluation system is

orre tly re ognized when it is onne ted to the PC.

Installing the Evaluation Software

To install the EVAL-AD7606SDZ evaluation board software

1. Insert the in luded evaluation software installation CD

into the CD drive of a Windows-based PC, and open the

ontents of the CD.

2. Double- li k the setup.exe file to begin the installation. By

default, the software is saved to the following lo ation:

C:\Program Files\Analog Devices\AD7606\.

3. A dialog box appears asking for permission to allow the

program to make hanges to your omputer. Cli k Yes to

begin the installation pro ess.

Figure 3. Evaluation Soft are Installation—User Account Control

4. Sele t the lo ation to install the software, and then li k Next.

Figure 4. Evaluation Soft are Installation—Destination Directory

5. A li ense agreement appears. Read the agreement, sele t I

accept the License Agreement, and then li k Next.

6. A summary of the installation is displayed. Cli k Next to

ontinue.

Figure 5. Evaluation Soft are Installation—Start Installation

7. A dialog box informs you when the evaluation software

installation is omplete. Cli k Next to pro eed with the

installation of the SDP drivers.

12774-002

12774-003

12774-004

EVAL-AD7928SDZ User Guide

Rev. Pr.A | Page 8 of 13

Figure 6. Evaluation Soft are Installation—Installation Complete

8. The installation of the evaluation software ompletes.

12774-005

EVAL-AD7928SDZ User Guide

Rev. PR.A | Page 9 of 13

Installing the SDP Board Drivers

After the evaluation board software installation is omplete,

the ADI DP Drivers etup wizard window opens for the

installation of the EVAL-SDP-CB1Z SDP board drivers.

1. The ADI DP Drivers etup Wizard opens. Cli k Next >

to begin the driver installation pro ess.

Figure 7. EVAL-SDP-CB1Z Drivers Installation—Setup Wizard

2. Sele t a destination folder for the SDP drivers, and li k

Install.

Figure 8. EVAL-SDP-CB1Z Drivers Installation—Choose Install Location

3. Cli k Install to pro eed with the installation.

Figure 9. EVAL-SDP-CB1Z Drivers Installation—Windo s Security

4. The SDP drivers installation ompletes. Cli k Finish.

Figure 10. EVAL-SDP-CB1Z Drivers Installation—Complete

After the evaluation software installation is omplete, onne t

the EVAL-AD7606SDZ evaluation board to the EVAL-SDP-CB1Z

SDP board as des ribed in the Evaluation Board Hardware

se tion.

When you first plug in the EVAL-SDP-CB1Z SDP board via

the USB able provided, allow the Found Hardware Wizard

to run. After the drivers are installed, he k that the board is

onne ted orre tly by looking at the Device Manager of the

PC. The Device Manager an be found by right- li king

My Computer > Manage > Device Manager from the list of

ystem Tools.

The EVAL-SDP-CB1Z SDP board appears under ADI

Development Tools, as shown in Figure 11.

Figure 11. Device Manager

12774-006

12774-007

12774-008

12774-009

12774-010

EVAL-AD7928SDZ User Guide

Rev. Pr.A | Page 10 of 13

Figure 12. AD7606/7/8 Main Windo

SOFTWARE OPERATION

The main fun tion of this window is to allow you to read

a predetermined number of samples from the evaluation board

and display them in both the time and frequen y domain. The

top portion of the s reen ontains the menu bar and the s reen

an be divided into three main se tions: Part Information,

Data Capture, and Linearity. The Data Capture tab onsists

of four subtabs: Waveform, Histogram, FFT, and ummary.

Tabla de contenidos

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