M02069-12

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6

3.3 or 5 Volt VCSEL/FP Laser Driver IC for Applications to 4.3 Gbps

Rev V2

1.4

AC Characteristics

Bias_OK

upper

voltage

threshold

1.45

1.6

1.7

V

FAIL asserts if any of these signals fall below this

value.

300

400

mV

FAIL asserts if any of these signals fall above this

value.

2.6

2.9

V

and OUT+

During disable state

0.5

1.65

2.0

V

0

1.25

V

Notes:

1. Excludes bias and modulation currents.

2. Bias and modulation currents add directly to power supply current in 5V applications. The additional supply current noted excludes these currents.

Table 1-4.

AC Characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Units.

Modulation current adjust range

Common Cathode Mode

OUT+ and OUT- AC coupled into 50

Ω load.

Common Anode Mode

OUT+ and OUT- DC coupled into 25

1

3

–15

45

mA

Modulation current with output disabled

DIS = high

–

–

150

µA

current

–30

65

–A/A

Programmable range for modulation

current temperature coefficient

0–

ppm/°C

Temperature at which modulation current

TC compensation enables

20

°C

Table 1-3.

DC Characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Units