HFBR-1515BZ Ver la hoja de datos (PDF) - Avago Technologies

Número de pieza

componentes Descripción

Fabricante

HFBR-1515BZ

Fiber Optic Transmitters and Receivers for SERCOS, PROFIBUS and INTERBUS-S Applications

Avago Technologies 

1.2

V CC = 5.25 V

1.1

V CC = 5.0 V

1.0

0.9

V CC = 4.75 V

0.8

0.7

-40 -20 0 20 40 60 80

TEMPERATURE - ˚C

Figure 4. Typical normalized optical power vs.

temperature (in recommended drive circuit)

2

1

VCC = 5.25 V

0

VCC = 5.0 V

-1

-2

-3

VCC = 4.75 V

-4

-5

-40 -20 0 20 40 60 80

TEMPERATURE - ˚C

Figure 5. Typical optical pulse width distortion

vs. temperature and power supply voltage

(in recommended drive circuit)

Recommended Drive Circuit for HFBR-x505AZ/x515BZ

TTL COMPATIBLE TRANSMITTER

+5 V V CC

C1

10 µF

+

C2

0.1 µF

8

1

2

TTL INPUT

DS75451

0V

R1

1

8

7

6

5

4

U2

HFBR-15X5XZ

U1 3

4

TTL COMPATIBLE RECEIVER

U3

4

HFBR-25X5XZ

5

6

7

8

1

R2

2.7

C4

0.1 µF

+5 V V CC

0V

TTL OUTPUT

R1

82.5 Ω

47 Ω

IF

35 mA

60 mA

Figure 6. Recommended transmitter and receiver drive circuit (IF, on = 35 mA or 60 mA nominal at TA = 25˚C)

5

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