2.5 Gbps PIN-TIA module
XPD0250CT-001
F
EATURES
Wide dynamic range, typically 6µW 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)
AGC C
HARACTERISTICS
The XPD0250CT-001 can handle input optical power from 6µW 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<30µW) to 80Ωat
high power (Po =1.7mW).
A
PPLICATIONS
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
E
LECTRICAL
C
HARACTERISTICS (T
C
= 25℃)
Parameter
Power supply voltage
Power supply current
Photodiode bias voltage*
Transimpedance
3dB Bandwidth
Transimpedence gain deviation
Electrical return loss
Responsivity
Output impedence
Symbol
V
CC
I
CC
V
PD
Z
T
f
3dB
ΔZ
T
L
E
R
Z
O
Test Condition
-
-
-
RL=50Ω, measured
differenctially, AC coupled
Min.
3.0
3.3
Typ.
3.3
26
Max.
3.3
37
5
Unit
V
mA
V
KΩ
GHz
4
1.7
1.9
2
-10
0.85
50
Pin=-10dBm
f=1MHz to 1.8GHz
-
λ
= 1550nm
-
dB
dB
A/W
Ω
* Photodiode bias is necessary only for 5 pin type module.
XL Photonics, Inc.
1
2.5 Gbps PIN-TIA module – XPD0250CT-001
O
PTICAL
C
HARACTERISTICS (T
C
= 25℃)
Parameter
Optical wavelength range
Sensitivity
Maximum overload
Optical return loss
Symbol
λ
P
S
P
MAX
Lo
λ
= 1550nm
Test Condition
-
RL=50, 2.5Gbps NRZ,
PRBS=2
23
–1, BER=1×10
-10
Min.
1100
Typ.
-23
Max.
1600
Unit
nm
dBm
2
-30
dBm
dB
A
BSOLUTE
M
AXIMUM
R
ATINGS (T
C
= 25℃)
Parameter
Supply voltage
Photodiode bias voltage*
Operating case temperature range
Storage temperature range
* Photodiode bias is necessary only for 5 pin type module.
Symbol
V
CC
V
PD
T
C
T
STG
Rating
+3.8
10
-20 to +75
-40 to +85
Unit
V
V
℃
℃
M
ECHANICAL
D
IMENSIONS
& P
IN
L
AYOUT
(unit : mm)
5
2.4
14.1
10.8
t = 0.3
8
12
14
4
2.2
5
1.8
1.5
1.9
3
φ 2.54
φ 6.1
4
φ 2.54
1.8
φ 6.1
3
4
1.69
2
1
2
1
5
4-Pin Configuration
5-Pin Configuration
XL Photonics, Inc.
2
17
18
2.5 Gbps PIN-TIA module – XPD0250CT-001
P
IN
C
ONFIGURATION
4 pin
A1
1
2
3
4
GND
OUTQ
OUT
VCC
AM
GND
OUT
OUTQ
VCC
B1
GND
OUT
VCC
OUTQ
BM
GND
OUTQ
VCC
OUT
1
2
3
4
5
C1
GND
OUT
VCC
VPD
OUTQ
5 pin
CM
GND
OUTQ
VCC
VPD
OUT
D1
GND
OUT
VPD
VCC
OUTQ
DM
GND
OUTQ
VPD
VCC
OUT
Symbol
GND
Vout
Vcc
Voutq
Vpd
Type
Ground
Output
Supply
Output
Supply
Description
Ground
Data output
Supply voltage
Data reverse output
PD bias voltage
Other pin configurations are available.
Please contact us for new pin configurations
custom ordered.
A
PPLICATIONS
D
IAGRAM
*
Vpd
10μH
*
Necessary only for 5-pin type
22 nF
680 nF
transmission line
100nF
*
OUT
Z
o
=50Ω
V
PD
XPD
V
CC
10μH
GND
OUTQ
Z
o
=50Ω
100nF
1
1
Vcc
50Ω
2
50Ω
2
680 nF
22 nF
P
RECAUTIONS FOR
U
SE
ESD protection is imperative. Use of ground straps, anti static mats, and other standard ESD
protective equipment is recommended when handling or testing an InGaAs PIN/APD or any other
junction photodiode.
Soldering temperature of the leads should not exceed 260℃ for more than 10 seconds.
Fiber pigtails should be handled with less than 10 N pull and with a bending radius greater than 1
inch.
XL Photonics, Inc.
3
2.5 Gbps PIN-TIA module – XPD0250CT-001
O
RDERING
I
NFORMATION
PD
type
XPD: PIN PD
Model name
Bit-rate
Package
type
Code
Pinning
A1
B1
C1
D1
Fiber*
Option
Connector
type
Flange
N: No flange
F: Flange
B: Bracket
001
0250: 2.5G CT: Coaxial type
embedded TIA
S: SMF NC: No connector
M: MMF SP: SC/UPC
P: PMF FP: FC/UPC
SA: SC/APC
FA: FC/APC
* Standard fiber length: 1 meter
ex) XPD0250CT-001-A1SFPN
2.5 Gbps PIN-TIA receiver module with A1 pin-layout, single mode fiber-pigtailed FC/UPC connector
R
EVISION
H
ISTORY
Date
July 2004
January 2003
August 2002
Revision
003
002
001
Description
Document layout is changed
Document revised
Initial release
URL: www.XL-photonics.com
TEL: +82-42-3600-100
E-mail: sales@ XL-photonics.com
FAX: +82-42-3600-101
59-8 Jang-Dong, Yusong-Gu, Daejeon 305-343, South Korea
© 2002 XL Photonics, Inc. All rights reserved. (August 2002)
XL Photonics, Inc.
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