Low-Noise, Fibre Channel Transimpedance

Amplifiers

2

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ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Continuous CML Output Current

(OUT+, OUT-) ...............................................-25mA to +25mA

Continuous Input Current (IN)...............................-4mA to +4mA

Continuous Input Current (FILTER).......................-8mA to +8mA

Die Attach Temperature...................................................+400°C

ELECTRICAL CHARACTERISTICS

unless otherwise noted.) (Notes 1, 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Current

Including output termination current

25

41

mA

2.0

2.7

3.3

Small-Signal Bandwidth

BW

1.7

2.3

2.7

GHz

Low-Frequency Cutoff

-3dB, input current = 40µA (Note 3)

65

kHz

Input Bias Voltage

1.0

V

Input Resistance

40

Ω

185

250

245

350

275

380

193

275

272

400

Input-Referred Noise

300

430

AC Input Overload

(Notes 3, 5)

2

DC Input Overload

(Note 5)

1

mA

Filter Resistance

P-P

510

600

690

Ω

Output Resistance (OUT+, OUT-)

Single-ended

42.5

50

57.5

Ω

15

40

15

31

Deterministic Jitter

DJ

7

16

Transimpedance

Differential output

2.8

3.3

3.8

k

Ω

Transimpedance Linear Range

0.95 < linearity < 1.05 (Note 8)

50

Data Output Swing

220

300

500

Output Data-Transition Time

(Notes 3, 10)

90

140

ps

Freq

≤ 1GHz

15

Output Return Loss

1GHz < freq

≤ 2GHz

10

dB

f < 1MHz (Note 11)

40

Power-Supply Rejection

PSR

1MHz

≤ f < 10MHz (Note 11)

34

dB