This file is the TDA7493's user manual. It introduces the features of TDA7493, including 3.0 W + 3.0 W of continuous output power, single supply voltage range 3.0 V to 5.5 V, high efficiency (η = 83%), four selectable, fixed gain settings of 6 dB, 12 dB, 15.6 dB and 18 dB, differential inputs minimize common-mode noise, filterless operation, standby feature, short-circuit protection, thermal-overload protection, externally synchronizable