EZLINX-IIIDE-EBZ datasheet(9/15 Pages) AD

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ezLINX™

Hardware User

Guide

Coupler® Isolated Interface Development

Environment

Rev. PrA | Page 9 of 15

Figure 9. ADuM3401, ADuM3402, ADuM5000 Isolated SPI Implementation

ISOLATED LVDS

The Isolated LVDS port is implemented using the ADuM3442

Coupler signal isolator, the ADN4664 dual LVDS receiver, the

ADN4663 dual LVDS transmitter and the ADuM5000

iso

Power Isolated DC to DC converter. The ADuM3442 is

connected to SPORT2 of the ADSP-BF548. Figure 10 shows a

circuit diagram of the implementation of Isolated LVDS using

the ADuM3442, ADN4663, ADN4664 and ADuM5000 on the

LINX hardware.

VDD1 of the ADuM3442, and VDD1 of the ADuM5000 are

and is used to supply power to VDD2 of the ADuM3442, VCC of

the ADN4663 and the ADN4664.

A 32 pin header connector is used for easy access to the Isolated

LVDS signals.

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