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| Data Sheet 10Gb/s surface mount coplanar APD preamp receiver for low OSNR applications AT10GC The AT10GC receiver consists of an avalanche photodiode, a low-noise preamplifier and a precision NTC thermistor in a hermetic coplanar package with 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 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: * Sensitivity, -26.5dBm typical * Low capacitance high speed InGaAs APD photodetector * Supports FEC rates up to 10.709Gb/s * 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 1 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=-40 to +85C DC - 6GHz fH fL TZ VOUT S22 [2] Min Typ -26.5 Max -24.5 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] Maximum output voltage Return loss Optical overload [6] -10 7 +10 GHz VAPD=VM10 Small signal 40 Small signal Peak-to-peak DC to 8.0GHz 231-1 PRBS VAPD=VM3 BER<10-12 IAPD=10A -3 -1 1.1 1.4 500 2.5 700 -8 kHz k mV dB dBm 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 Vbr TVbr Id Iee IIn lim Vee RTH 20 0.030 40 0.061 100 75 90 V V/C nA mA uA V k At 90% of Vbr Peak-to-peak 1000 -5.2 10 Notes: [1] [2] [3] [4] [5] [6] 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 with a return loss > 20dB, up to 20GHz. Excludes APD responsivity. Differential. Single ended. 2 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. [2] [1] Symbol Vee Top Tstg IPD VAPD Min -6.0 -40 -40 Max 0.5 +85 +85 3 Units 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 NC Vpd NC NC NC GND GND Out_N GND Function Case ground APD bias voltage No connection Amplifier bias No connection Case ground Case RF ground Negative RF data output Case ground Pin # 10 11 12 13 14 15 16 17 Symbol Out_P GND GND FBIN NC NC Rth GND Function Positive output Case ground Case ground Offset feedback No connection No connection Thermistor Case ground 3 Data Sheet Circuit Schematic VAPD RTH 0.9nF 10nF 10kOhms @ 25 C Out_P Out_N FBIN 100nF 0.9nF Vee 1nF 100nF Figure [1] AT10GC 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 secondary coated single-mode fiber, length = 1100 +0/-200mm. 4 Data Sheet 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: AT10GC - (Connector) J = SC/PC J57 = LC e.g. AT10GC-J is an AT10GC 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 Site Approvals ISO14001:1996 EMS 504193 TL9000 Rev 3.0 (ISO9001:2000) FM15040 5 BH12851 Rev 2.0 March 2007 (c)Bookham 2006. Bookham is a registered trademark of Bookham Inc. |
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