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Data Sheet
High Sensitivity 10Gb/s surface mount coplanar APD preamp receiver AT10XGC
The AT10XGC receiver consists of an avalanche photodiode, a low-noise preamplifier and a precision NTC thermistor in a hermetic coplanar packagewith a connectorized single-mode fiber pigtail. Differential outputs are provided to improve noise rejection for enhanced sensitivity. It has been optimised for use in 10Gb/s metro or long-haul applications, either as a discrete device or within a transponder, using NRZ modulation, with or without FEC, at data rates up to 10.709Gb/s. Features: * High sensitivity, -28.5dBm typical * Low capacitance high speed InGaAs APD photodetector * Supports FEC rates up to 10.709Gb/s * Best in class power consumption, only 300mW * Designed to exceed the environmental requirements of Telcordia GR-468-CORE * RoHS 5/6 compliant
Applications: * Client or line side links * 300 pin LR transponder applications * Yellow fiber pigtail for MSA compliance
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Data Sheet
Operating Characteristics
Case Temperature = 25C unless otherwise specified
Parameter Optical sensitivity BOL Symbol Sens Measurement Conditions 231-1 PRBS BER<10-12 Voptimal = VM10 231-1 PRBS BER<10-12 Voptimal = VM10 T=0 to +85C DC - 6GHz fH fL TZ VOUT S22
[2]
Min
Typ -28.5
Max -27.0
Unit dBm
[1] [2]
Sensitivity penalty EOL over temperature [1] [2]
0.75
1.0
dB
Deviation from linear phase High frequency -3dB corner Low frequency -3dB corner Transimpedance gain
[3] [4] [5] [6]
-10 8 9
+10
GHz
VAPD=VM10 Small signal
40 Small signal Peak-to-peak DC to 6.0GHz 2^23-1 PRBS VAPD=VM3 BER<10-12 T=25C IAPD=10mA -3 -1 2.3 4.0 5.7 165 -8
kHz k mV dB dBm
Maximum output voltage Return loss Optical overload
PSAT
APD breakdown voltage APD breakdown voltage temperature coefficient Dark current Amplifier bias current Input current for output limiting Transimpedance amp supply voltage Thermistor resistance
Notes:
[1] [2] [3] [4] [5] [6]
Vbr TVbr Id Icc IIn lim VTZA RTH
20 0.030
40 0.061 100 55 73
V V/C nA mA uA V k
At 90% of Vbr
Peak-to-peak
80 3.3
T=25C
10
Optical Wavelength between 1525-1575nm. Data to 1610nm available on request. Measured with 9.95Gb/s, extinction ratio > 12dB, Q factor > 30, 50% crossing level, 1550nm. Load impedance is 50 AC-coupled. Excludes APD responsivity. Differential. Single ended.
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Data Sheet
Absolute Maximum Ratings
The table below provides maximum and/or minimum values of critical parameters which will not permanently damage the device, but for which the operating specification may not hold.
Parameter Amplifier bias voltage Operating temperature Storage temperature Input photocurrent APD bias voltage Fiber bend radius
Notes:
[1] The operating temperature is defined as the temperature of the module case. [2] The rating is referred to the ambient temperature. [3] VAPD * VM3. Although implementation of a current limit is intuitive, it is not recommended as biasing below the specified M = 3 voltage in the presence of a high optical power has been shown to cause device damage.
[3] [2] [1]
Symbol VCC Top Tstg IPD VAPD
Min -0.7 0 -40
Max 5.0 +85 +85 3
Unit V C C mA V mm
0 20
Vbr
Class 2 ESD precautions must be observed when handling these devices.
Pin Out
Pin # 1 2 3 4 5 6 7 8 9 Symbol GND VAPD NC NC NC GND GND Out_N GND Parameter Case ground APD bias voltage No connection No connection No connection Case ground Case RF ground Negative RF data output Case ground Pin # 10 11 12 13 14 15 16 17 Function Out_P GND GND NC VCC NC RTH GND Parameter Positive RF data output Case RF ground Case ground No connection Amplifier supply (+3.3V) No connection Thermistor Case ground
Deliverable Data
VM3 and Vbr are provided on the fiber tag for each device.
3
Data Sheet
Circuit Schematic
VAPD
RTH
0.9nF
10nF
10kOhms @ 25 C
Out_P Out_N
100nF
0.9nF
V cc
Figure [1] AT10XGC Circuit schematic.
Outline Drawing
Dimensions in mm
Figure [2] Outline diagram (Illustration only. For full details, refer to appropriate assembly drawing.) Note: Fiber is 900mm yellow secondary coated single-mode fiber, length = 1100 +0/-200mm.
4
Data Sheet
Typical Performance Characteristics
Figure [3] Electrical output data eye, M = 10, 10Gb/s 231-1 PRBS, -28dBm optical input.
Figure [4] Electrical output data eye, M = 10, 10Gb/s 231-1 PRBS, -24dBm optical input.
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Data Sheet
Typical Performance Characteristics (continued)
Figure [5] Typical BER performance, measured with 9.95Gb/s 2^31-1 PRBS, extinction ratio > 12dB, Q factor > 30, 50% crossing level, 1550nm at 25C.
RoHS Compliance
Bookham is fully committed to environment protection and sustainable development and has set in place a comprehensive program for removing polluting and hazardous substances from all of its products. The relevant evidence of RoHS compliance is held as part of our controlled documentation for each of our compliant products. RoHS compliance parts are available to order, please refer to the ordering information section for further details. Ordering Information: AT10XGC - (Connector) J = SC/PC J57 = LC
e.g. AT10XGC-J is an AT10XGC with an SC/PC connector. Other options available on request
Contact Information
North America Bookham Worldwide Headquarters
2584 Junction Ave. San Jose CA 95134 USA * Tel: +1 408 919 1500 * Fax: +1 408 919 6083
Europe Paignton Office
Brixham Road Paignton Devon TQ4 7BE United Kingdom * Tel: +44 (0) 1803 66 2000 * Fax: +44 (0) 1803 66 2801
Asia Shenzhen Office
2 Phoenix Road Futian Free Trade Zone Shenzhen 518038 China * Tel: +86 755 33305888 * Fax: +86 755 33305805 +86 755 33305807
Important Notice Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by Bookham before they become applicable to any particular order or contract. In accordance with the Bookham policy of continuous improvement specifications may change without notice. The publication of information in this data sheet does not imply freedom from patent or other protective rights of Bookham or others. Further details are available from any Bookham sales representative.
www.bookham.com sales@bookham.com
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ISO14001:1996 EMS 504193 TL9000 Rev 3.0 (ISO9001:2000) FM15040
BH12852 Rev 2.0 January 2007. (c)Bookham 2006. Bookham is a registered trademark of Bookham Inc.

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