10.7Gbps EAM Driver

6

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Pin Description

Typical Operating Characteristics (continued)

-45

-35

-40

-25

-30

-20

-15

-5

-10

0

0

2

4

6

8

10 12 14 16 18 20

FREQUENCY (GHz)

-30

-15

-20

-25

-10

-5

0

08

6

2

4

10 12 14 16 18 20

FREQUENCY (GHz)

PIN

NAME

FUNCTION

1, 4

Termination Reference Voltage for Data Inputs

2

DATA+

Noninverting Data Input, with 50

Ω On-Chip Termination

3

DATA-

Inverting Data Input, with 50

Ω On-Chip Termination

5, 8

Termination Voltage for Clock Inputs

6

CLK+

Noninverting Clock Input for Data Retiming, with 50

Ω On-Chip Termination

7

CLK-

Inverting Clock Input for Data Retiming, with 50

Ω On-Chip Termination

9

PWC+

10

PWC-

11, 18, 22, 30

GND

Ground

12, 13, 17,

23, 28, 29

Negative Supply Voltage

14

MODMON

15

MODSET

Modulation Current Set. Connected to the output of an external op amp (see the Design Procedure

section).

16, 24

N.C.

No Connection. Leave unconnected.

19, 21

MODN2,

MODN1

Complementary Modulation Output with On-Chip Resistive Load. Connect to GND.

20

MOD

Modulation Output, DC-Coupled to EAM

25

BIAS

EAM Bias Output. Connect to the EAM through an inductor.