STMicroelectronics,31W, 48-Pin VFQFPN FDA903Q-V0Y

The STMicroelectronics FDA903Q is a single bridge class D amplifier, designed in the most advanced BCD technology, intended for any automotive audio application. The FDA903Q integrates a high performance D/A converter together with powerful MOSFET outputs in class D, so it is very compact and powerful, moreover it reaches outstanding efficiency performances (90%).

Very low quiescent current
Output low pass filter included in the feedback allowing outstanding audio performances
Clipping detector
Integrated thermal protection