Data Sheet

2

Operating Characteristics

Case Temperature = 25°C unless otherwise specified

Notes:

[1] Optical Wavelength between 1525-1575nm. Data to 1610nm available on request.

[2] Measured with 9.95Gb/s, extinction ratio > 12dB, Q factor > 30, 50% crossing level, 1550nm.

[3] Load impedance is 50

[4] Excludes APD responsivity.

[5] Differential.

[6] Single ended.

Parameter

Symbol

Measurement

Min

Typ

Max

Unit

Conditions

Optical sensitivity BOL

[1] [2]

Sens

-28.5

-27.0

dBm

V

Sensitivity penalty EOL

0.75

1.0

dB

over temperature

[1] [2]

V

T=0 to +85°C

Deviation from linear phase

DC - 6GHz

-10

+10

°

High frequency -3dB corner

f

H

V

8

9

GHz

Small signal

Low frequency -3dB corner

f

L

40

kHz

Transimpedance gain

[3] [4] [5]

T

Z

Small signal

2.3

4.0

5.7

k

Ω

Maximum output voltage

[6]

V

OUT

Peak-to-peak

165

mV

Return loss

S

22

DC to 6.0GHz

-8

dB

Optical overload

[2]

P

SAT

2^23-1 PRBS

-3

-1

dBm

V

APD breakdown voltage

V

br

T=25°C

20

40

V

I

APD breakdown voltage

T

Vbr

0.030

0.061

V/°C

temperature coefficient

Dark current

I

d

At 90% of V

br

100

nA

Amplifier bias current

I

cc

55

73

mA

Input current for

I

In lim

Peak-to-peak

80

uA

output limiting

Transimpedance amp

V

TZA

3.3

V

supply voltage

Thermistor resistance

R

TH

T=25°C

10

k

Ω