EVAL-AD7472CB datasheet(7/20 Pages) AD

Part #	EVAL-AD7472CB

Description	Evaluation Board for 10-/12-Bit High Speed, Low Power ADCs

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EVAL-AD7470/AD7472

Rev. C | Page 7 of 20

EVALUATION BOARD SOFTWARE

Figure 3. The Setup Dialog Box

SETUP SCREEN

Figure 3 shows the setup dialog box. The setup dialog box allows

you to load the required configuration file for the evaluation

board. The configuration file gives the software detailed

information about the AD7470/AD7472 evaluation board and

part connected to the EVAL-CONTROL BRD2 such as number

of bits, maximum sampling rate, output coding, maximum

analog input, and power supply requirements. The configura-

tion file also tells the software the name of the DSP program

file, which should be downloaded to the EVAL-CONTROL

BRD2. These files are supplied by Analog Devices with the

evaluation board.

SETTING UP THE EVAL-CONTROL BRD2

Connect the EVAL-CONTROL BRD2 and evaluation board

via the 96-way connector. Then apply power to the EVAL-

CONTROL BRD2. At this stage, the red LED light should be

flashing to indicate that the EVAL-CONTROL BRD2 is

functional and ready to receive instructions. Load the software

(previously installed) before the printer port cable is connected

between the EVAL-CONTROL BRD2 and the PC. This ensures

that the printer port has been initialized properly. The printer

port cable can then be connected between the PC and the EVAL-

CONTROL BRD2.

RUNNING THE SOFTWARE

With the hardware set up, you are now in a position to use the

software to control the EVAL-CONTROL BRD2 and the eval-

uation board. In the main dialog box, select the File menu and

click Setup. This displays the setup form (see Figure 3). A

window on the left of the setup form lists all the available

configuration files. The configuration files are text based files,

which contain information about the particular evaluation board

to be tested. The information covers such things as the part

name, number of samples to be taken, default and maximum

sampling frequency, and power supply settings. The configu-

ration file also contains the name of the DSP program file to be

downloaded to the EVAL-CONTROL BRD2. Select the relevant

configuration file and click Load. The EVAL-CONTROL BRD2

is reset and the DSP program downloaded. When the download

is complete, the power supply settings indicated in the configu-

ration file are set and you may hear some of the relays clicking.

The pull-down menu items such as number of samples and

sampling frequency have been set to the default values specified

by the configuration file. The user is free to change these at will.

Once all the settings have been decided, click Close to return to

the main dialog box.

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EVAL-AD7472CB Datasheet(PDF) 7 Page - Analog Devices

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