There are a lot of Rochester Electronics, LLC
ADA4420-6ARUZ-RL Video Processing Linear ICs applications.

DLP
Notebook PCs
Desktop PCs
PC Docking Stations
PC Standalone Video Cards
Consumer, Professional, Automotive
Industrial Video
Video Capture, Editing, and Processing
Genlock Circuits
Surveillance & Security Video Systems

Mounting Type	Surface Mount
Package / Case	20-TSSOP (0.173, 4.40mm Width)
Supplier Device Package	20-TSSOP
Packaging	Tape & Reel (TR)
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Type	Video Filter
Applications	DVD, HD, Set-Top Boxes, Recorders
RoHS Status	ROHS3 Compliant