LTC2862A

20

Rev. A

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Failsafe O Application (Idle State = Logic O)

±60V 20Mbps Level Shifter/Isolator

DI

GND

VCC

VCC1

LTC2862A-1

VCC2

R2

±60V

R1

A

B

R1 = 200k 1%. PLACE R1 RESISTORS NEAR A AND B PINS OF RECEIVER.

R2 = 10k

C = 47pF, 5%, 50 WVDC. MAY BE OMITTED FOR DATA RATES < 100kbps.

DATA IN 1

DATA OUT 1

VCC

RO

LTC2862A-1

GND

C

A

B

2862A TA03

R1

C

D

R

PROFIBUS Compatible Line Interface

TYPICAL APPLICATIONS

RO

RE

DE

DI

8.2

2862A TA02

A*

R

B*

* THE POLARITY OF A AND B IN THIS DATA SHEET IS OPPOSITE THE POLARITY DEFINED BY PROFIBUS.

VCC

(4.75V TO 5.25V)

GND

LTC2862A

8.2

390

4VP-P ≤ VOD ≤ 7VP-P UP TO 1500kbps

220

390

B WIRE

A WIRE

B WIRE

A WIRE

VCC

390

220

390

VCC

100m

5.5/WIRE

VOD

D

2862A TA04

RO

DE

DI

RO

DE

DI

B

R

I1

5V

A

“A”

“B”

GND

VCC

LTC2862A

D

I2