AD7760 datasheet(7/23 Pages) AD

7 / 23 page

EVAL-AD7760/AD7762EDZ

Rev. PrB | Page 7 of 23

USING THE EVALUATION SYSTEM

HARDWARE CONNECTIONS

Apply power to the EVAL-CED1Z via +7V, 15W power

supply provided with the EVAL-CED1Z board. At this

stage, the green LED labeled ‘Power’ on the EVAL-CED1Z

should be lighting. This indicates that the EVAL-CED1Z is

receiving power The USB cable can then be connected

between the PC and the EVAL-CED1Z.

Connect the USB cable between the PC and the EVAL-

CED1Z. A green LED positioned beside the USB

connector on the EVAL-CEDZ board will light indicating

that the USB connection has been established.

Power up the EVAL-AD7760/AD7762EDZ evaluation

board through Connector J2. Connect a wire from the V+

labeled connector to 7.5 V of an external power supply. Also

ensure that there is a GND connection between the GND of

J2 and the power supply GND connection

Connect the female connector (J13, marked “CED1Z PPI”),

which is on the under side of the EVAL-

AD7760/AD7762EB evaluation board to the PPI header of

the EVAL-CED1Z board.

Start the EVAL-AD7760/AD7762EDZ software.

The differential input to the AD7760/AD7762 device can be

connected to the black connector XLR connector (J1) marked

“Differential Input.” This differential input is routed to the inputs

of the AD7760/AD7762’s on-board differential amplifier. As

the software will power up the AD7760/2 device it is advisable

that users do not apply an analog input until the device is fully

powered up.

With the hardware set up, you can now use the software to

control the EVAL-CED1Z and the AD7760/AD7762 evaluation

board. To launch the software, from the Analog Devices menu

click on the AD7760_2 submenu, then click on the AD7760_2

icon.

Note: In the case where an Error message appears, click OK and

restart the application after checking the connection between

the adapter board and the USB port on the PC. Also, check that

the USB device is identified by the Device Manager as detailed

in the first time use of EVAL-CED1Z paragraph of Installing the

Software section.

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