IL710

9

NVE Corporation

11409 Valley View Road, Eden Prairie, MN 55344-3617

(952) 829-9217

www.nve.com

YouTube.com/NveCorporation

iso-apps@nve.com

Application Diagrams

Isolated PROFIBUS / RS-485

NVE offers a unique line of single-chip isolated PROFIBUS/RS-485 transceivers, but as this circuit illustrates, IL710 isolators can also be used

as part of multi-chip designs using non-isolated PROFIBUS transceivers:

Isolation

Boundary

IL710

IL710

IL710

ISL8485

Note:

V

DD

1 and VISO should be decoupled with

10 nF ceramic capacitors at IL710

supply pins.

RS-485 Truth Table

TXD

RTS

A

B

RXD

1

0

Z

Z

X

0

0

Z

Z

X

1

1

1

0

1

0

1

0

1

0