INTEGRATED CIRCUITS DATA SHEET TDA8571J 4 x 40 W BTL quad car radio power amplifier 1998 Mar 13 Preliminary specification File under Integrated Circuits, IC01 Philips Semiconductors Preliminary specification 4 x 40 W BTL quad car radio power TDA8571J amplifier FEATURES GENERAL DESCRIPTION ? Requires very few external components The TDA8571J is a integrated class-B output amplifier