Philips Semiconductors Product specification 2 x 22 W or 4 x 11 W single-ended car radio power amplifier TDA1558Q FEATURES · Requires very few external components · Flexibility in use Quad single-ended or stereo BTL · High output power · Low offset voltage at output (important for BTL) · Fixed gain · Good ripple rejection · Mute/stand-by switch · Load dump protection · AC and DC short-circuit-safe to ground and VP · Thermally protected · Reverse polarity safe · Capability to handle high energy on outputs (VP = 0) · Protected against electrostatic discharge · No switch-on/switch-off plop · Flexible leads · Low thermal resistance · Identical inputs (inverting and non-inverting). GENERAL DESCRIPTION The TDA1558Q is a monolithic integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package. The device contains 4 x 11 W single-ended or 2 x 22 W BTL amplifiers and has been primarily developed for car radio applications.