This electronic circuit diagram is an audio power amplifier based on TDA8571J integrated circuit, class-B output amplifier with four amplifiers in a BTL configuration, each with a gain of 34 dB. Main features of the TDA8571J amplifier circuit are : high output power, low output offset voltage, diagnostic facility (distortion, short-circuit and te
mperature pre-warning), good ripple rejection, mode select switch (operating, mute and standby), load dump protection, short-circuit safe to ground and to VP and across the load, low power dissipation in any short-circuit condition, thermally protected, reverse polarity safe. This audio IC power amplifier is pin compatible with TDA8568Q audio amplifier circuit and require a 14. 4 volts power supply.