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VSC7878 - 10 Gbps Linear Transimpedance Amplifier

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Datasheet Details

Part number VSC7878
Manufacturer Vitesse Semiconductor Corporation
File Size 495.20 KB
Description 10 Gbps Linear Transimpedance Amplifier
Datasheet download datasheet VSC7878 Datasheet

General Description

: The VSC7878 is a 10.3 Gbps transimpedance amplifier (TIA) designed for use in 10GBASE-LRM optical communication networks.

The VSC7878 is intended for use with a PIN or APD photodetector and operates over a wide dynamic input range while maintaining excellent linearity.

The gain varies to maintain linear amplification for input signals up to 2 mA maximum.

Overview

VSC7878 10 Gbps Linear Transimpedance Amplifier BLOCK DIAGRAM: VCCPD VCC VCCF DOUTP 40 W PDCAP 10 W FILTER1 www.DataSheet4U.com PD IIN TIA Average Input Current Monitor AGC FILTER2 IMON GND1 GND2 DOUTN F E AT U R E S : ` Integrated AGC ` TO-46 can die size ` Integrated photo detector bias circuit BENEFITS: ` Linear operation over the input power range of the device ` Enables high volume ROSA assembly ` Provides the best RF match to the photo detector and reduces the component count inside the ROSA ` Used for fiber alignment and diagnostic capabilities ` Fully tested, known good die ` Integrated photo current monitor ` Available in bare die A P P L I C AT I O N S : ` 10 G receiver optical sub-assemblies: -9.983 Gbps SONET OC-192/SDH STM-64 -10.3 Gbps Ethernet -10.5 Gbps Fibre Channel -10.7 Gbps OTN G.709/G.975 -12.5 Gbps SONET with FEC -DWDM SONET/SDH ` Transponders: -XENPAK, X2, XPAK modules -300-pin MSA modules ` Transceivers: -XFP modules S P E C I F I C AT I O N S : ` Supply voltage: 3.3 V +/- 10% ` Total harmonic distortion: 3% (typical) ` Differential output swing: 500 mV (linear operation) ` Bandwidth: 8 GHz (typical) ` Sensitivity: -18 dBm OMA (typical) ` Max input current for linear operation: 2 mA p-p (typical) ` Operating temperature from -30o to 105o C die backside VPPD-01376 Revision 1.

Key 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.

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