TDA2003 amplifier circuit made ​​with 12w output power operating voltage from 18v dc dc 8v … integrated single-source supply 3.5 amp current draw at full power operating voltage that varies according to the idle current draw of 50mA. TDA2003... Electronics Projects, TDA2003 amplifier circuit "audio amplifier circuits, ic amplifier, simple circuit projects, " Date 2019/08/03