There are a lot of Renesas Electronics America Inc.
EL4583CS Video Processing Linear ICs applications.

PC Docking Stations
PC Standalone Video Cards
Consumer, Professional, Automotive
Industrial Video
Video Capture, Editing, and Processing
Genlock Circuits
Surveillance & Security Video Systems
Set-Top Boxes (STB) & Digital Video Recorders (DVR)
Plasma Displays and Video Projectors
Machine Vision and Inspection Systems

Mounting Type	Surface Mount
Package / Case	16-SOIC (0.154, 3.90mm Width)
Packaging	Tube
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Type	Synchronous Separator
Applications	Multimedia Displays, Test Equipment
Base Part Number	EL4583
RoHS Status	Non-RoHS Compliant