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. A DC compensation circuit reduces the penalty of low extinction ratio signals. The VSC7878 also provides photodetector power supply filter components and has a photocurrent monitor output.
   
FEATURES
► Integrated AGC
► TO-46 can die size
► Integrated photo detector bias circuit
► Integrated photo current monitor
► Available in bare die
   
APPLICATIONS
► 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