There is a Tube package attached to class d amplifier.This amplifier lends itself well to Current Feedback because of its high performance.1 circuits enable it to achieve audio ic's enhanced flexibility.Its -3db bandwidth is 330MHz.The current supplied to digital sound amp is 5.8mA.
HFA1105W Features
HFA1105W Applications
There are a lot of Renesas Electronics America Inc. HFA1105W Video Amps and Modules applications.