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2.5 Gbps PIN-TIA module
XPD0250CT-001
FEATURES
Wide dynamic range, typically 6W 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 CHARACTERISTICS
The XPD0250CT-001 can handle input optical power from 6W 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<30W) to 80at high power (Po =1.7mW).
APPLICATIONS
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
ELECTRICAL CHARACTERISTICS (TC = 25)
Parameter Power supply voltage Power supply current Photodiode bias voltage* Transimpedance 3dB Bandwidth Transimpedence gain deviation Electrical return loss Responsivity Output impedence Symbol VCC ICC VPD ZT f3dB ZT LE R ZO Test Condition RL=50, measured differenctially, AC coupled
Min. 3.0 3.3
Typ. 3.3 26
Max. 3.3 37 5
Unit V mA V K GHz
4 1.7 1.9 2 -10 0.85 50
Pin=-10dBm f=1MHz to 1.8GHz = 1550nm -
dB dB A/W
* Photodiode bias is necessary only for 5 pin type module.
XL Photonics, Inc.
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2.5 Gbps PIN-TIA module - XPD0250CT-001
OPTICAL CHARACTERISTICS (TC = 25)
Parameter Optical wavelength range Sensitivity Maximum overload Optical return loss Symbol PS PMAX Lo = 1550nm Test Condition RL=50, 2.5Gbps NRZ, PRBS=223 -1, BER=1x10-10
Min. 1100
Typ. -23
Max. 1600
Unit nm dBm
2 -30
dBm dB
ABSOLUTE MAXIMUM RATINGS (TC = 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 VCC VPD TC TSTG Rating +3.8 10 -20 to +75 -40 to +85 Unit V V
MECHANICAL DIMENSIONS & PIN LAYOUT
(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 2.54 6.1
4 2.54 1.8 6.1
3
4 1.69
2
1
2
1
5
4-Pin Configuration
5-Pin Configuration
XL Photonics, Inc.
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17
18
2.5 Gbps PIN-TIA module - XPD0250CT-001
PIN CONFIGURATION
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.
APPLICATIONS DIAGRAM
*
Vpd
10H
* Necessary only for 5-pin type
22 nF
680 nF
transmission line
100nF
*
OUT
Zo=50
VPD
XPD
VCC 10H
GND
OUTQ
Zo=50
100nF 1 1
Vcc
50
2
50
2
680 nF
22 nF
PRECAUTIONS FOR USE
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.
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2.5 Gbps PIN-TIA module - XPD0250CT-001
ORDERING INFORMATION
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
REVISION HISTORY
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 (c) 2002 XL Photonics, Inc. All rights reserved. (August 2002)
XL Photonics, Inc.
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