2.5 Gbps PIN-TIA module

XPD0250CT-001

XL Photonics, Inc.

1

Wide dynamic range, typically 6

µW to 1.7mW (p-p)

Differential transimpedance of 4㏀

Bandwidth from DC to 1.9GHz

Differential outputs

On-chip Automatic Gain Control(AGC)

Single supply voltage 3.3V

Remains linear up to 1.7mW(p-p) input current(unclipped)

The XPD0250CT-001 can handle input optical power from 6

µW to 1.7mW which is equivalent to a

dynamic range of 49dB. At low input optical power, the transimpedance gain ZT must be high to

obtain enough output voltage, and the noise should be low enough to guarantee a minimum bit error

rate. The transimpedance is regulated from 4 ㏀ at low input optical power (Po<30

µW) to 80Ωat

high power (Po =1.7mW).

Digital fiber optic receiver in short, medium and long haul optical telecommunications

transmission systems or in high speed data networks

Wide-band RF gain block

Parameter

Symbol

Test Condition

Min.

Typ.

Max.

Unit

Power supply voltage

-

3.0

3.3

3.3

V

Power supply current

-

26

37

mA

Photodiode bias voltage*

-

3.3

5

V

Transimpedance

RL=50Ω, measured

differenctially, AC coupled

4

KΩ

3dB Bandwidth

Pin=-10dBm

1.7

1.9

GHz

Transimpedence gain deviation

Δ

f=1MHz to 1.8GHz

2

dB

Electrical return loss

-

-10

dB

Responsivity

R

λ

= 1550nm

0.85

A/W

Output impedence

-

50

Ω

* Photodiode bias is necessary only for 5 pin type module.