VITESSE

SEMICONDUCTOR CORPORATION

Preliminary Data Sheet

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SONET/SDH 2.5Gb/s Laser Diode Driver

Page 4

G52157-0, Rev 3.2

05/01/01

© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012

Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com

Internet: www.vitesse.com

Figure 1: Laser Driver Maximum Case Temperature vs. Modulation Current

Figure 2: Clock and Data Input Structure

Figure 3: Single-Ended Operation

CASE TEMPERATURE vs. MODULATION CURRENT

Modulation Current (mA)

90

80

70

60

50

40

30

20

10

0

0

10

20

30

40

50607080

X

X

X

(NCLK)

NDIN

(CLK)

DIN

VREF

+

-

X

(VSS)

-5.2V

(GND)

0V

X

(GND)

0V

50

10pF

2000

3

•Nominal VREF Value = -2.5V

•All Values Nominal

2000

2k

Ω

2k

Ω

50

Ω

0.1

µf

0.1

µf

0.1

µf

GND

0.1

µf

NCLK

CLK

NDIN

DIN

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DATA

SOURCE

CLOCK

SOURCE

GND

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