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| TRANSPORT PRODUCTS VSC7716 1.25 Gbps Burst Mode Transimpedance Amplifier for GE-PON (EPON) Systems F E AT U R E S : 4Wide 27 dBm Dynamic Range 4Supports Input Power Greater than -3 dBm 4Accomodates Both PIN and Avalanche (APD) Photodetectors 4Designed for 4-pin or 5-pin TO-46 Packages BENEFITS: 4Provides High Sensitivity Without Compromising Overload Perfomance 4High Input Overload Power Enable Operation in Diverse Network Environments 4Flexible Support for 10 km and 20 km Applications 4Easy Implementation in Standard Packaging S P E C I F I C AT I O N S : 4100 ns Typical Receiver Settling Time 480 mA Modulation Current DC-coupled to Laser 480 mW Typical Power Dissipation FILTER BLOCK DIAGRAM: VSC7716 VSC7975 VCC 10 pF VCC GND 50 50 VOUTP 43.3 V Power Supply IN VOUTN Power Monitor Power and Monitor Rate Select MON_SEL IMON PB-VSC7716-001 VSC7716 1.25 Gbps Burst Mode Transimpedance Amplifier for GE-PON (EPON) Systems GENERAL DESCRIPTION: The VSC7716 device is a transimpedance amplifier (TIA) for GE-PON ONU and OLT applications. The output settling time is sufficiently fast to meet GE-PON OLT receiver requirements but slow enough to pass GE-PON ONU traffic. The VSC7716 device is equipped with an optional photocurrent monitor pin to provide a means of monitoring continuous optical receive power for photodetector alignment and digital diagnostics. The device padout is optimized for standard 4-pin and 5-pin TO-46 packages and accomodates both PIN detector and Avalanche photodiode (APD) designs. A space-saving filter connection is provided for positive bias to the photodiode through a filter resistor to VCC. The VSC7716 device is available in bare die only. Trademarks TM Vitesse, ASIC-Friendly, FibreTimer, TimeStream, Snoop Loop, Super FEC, FOCUSConnect, Meigs-II, Meigs-IIe, Lansing, Campbell-I, Barrington, PaceMaker, HOVCAT48, HOVCAT48e, HOVCAT192, HOVCAT192e, Micro PHY, FOCUS32, FOCUS16, IQ2200, VersaCAT, GigaStream, HawX, SparX, StaX, VstaX, SimpliPHY,VeriPHY, ActiPHY, XFP PRO, SFP PRO, Smart-LINKOctalMAC, EQ Technology are trademarks in the United States and/or other jurisdictions of Vitesse Semiconductor Corporation. All other trademarks or registered trademarks mentioned herein are the property of their respective holders. Copyright (c) Vitesse Semiconductor Corporation ("Vitesse") retains the right to make changes to its products or specifications to improve performance, reliability or manufacturability. All information in this document, including descriptions of features, functions, performance, technical specifications and availability, is subject to change without notice at any time. While the information furnished herein is held to be accurate and reliable, no responsibility will be assumed by Vitesse for its use. Furthermore, the information contained herein does not convey to the purchaser of microelectronic devices any license under the patent right of any manufacturer. 741 Calle Plano Camarillo, CA 93012, USA Tel: +1 805.388.3700 Fax: +1 805.987.5896 www.vitesse.com sales@vitesse.com |
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