Control

Circuitry

Profibus

Interface

C2

1

2

4

3

5

6

7

8

D1

D2

GND1

R

RE

DE

D

B

A

ISODE

GND2

GND2

C3

Isolated Supply to

other Components

16

13

12

10

14, 15

9, 11

D2

D1

C6

5

4

OUT

NC

LDO

IN

EN

GND

1

3

2

C5

C4

8

7

6

5

4

3

2

1

X-FMR

C1

ISO1176T

SLLSE28F – OCTOBER 2010 – REVISED OCTOBER 2012

www.ti.com

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

DEVICE INFORMATION

Figure 1. Typical Applications

PIN DESCRIPTIONS

NAME

PIN #

FUNCTION

D1

1

Transformer Driver Terminal 1, Open Drain Output

D2

2

Transformer Driver Terminal 2, Open Drain Output

GND1

3

Logic-side Ground

4

Logic-side Power Supply

R

5

Receiver Output

RE

6

Receiver Enable Input. This pin has complementary logic.

DE

7

Driver Enable Input

D

8

Driver Input

GND2

9, 11, 14, 15

Bus-side Ground. All pins are internally connected.

ISODE

10

Bus-side Driver Enable Output Status

A

12

Non-inverting Driver Output / Receiver Input

B

13

Inverting Driver Output / Receiver Input

VCC2

16

Bus-side Power Supply

2

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