Description

• THE TDA2040 IS A MONOLITHIC INTEGRATED CIRCUIT IN PENTAWATT  PACKAGE, INTENDED FOR USE AS AN AUDIO CLASS AB AMPLIFIER. TYPICALLY IT PROVIDES 22W OUTPUT POWER (D = 0.5%) AT VS = 32V/4Ω . THE TDA2040 PROVIDES HIGH OUTPUT CURRENT AND HAS VERY LOW HARMONIC AND CROSS-OVER DISTORTION. FURTHER THE DEVICE INCORPORATES A PATENTED SHORT CIRCUIT PROTEC- TION SYSTEM COMPRISING AN ARRANGEMENT FOR AUTO- MATICALLY LIMITING THE DISSIPATED POWER SO AS TO KEEP THE WORKING POINT OF THE OUTPUT TRANSISTORS WITHIN THEIR SAFE OPERATING AREA. A THERMAL SHUT-DOWN SYSTEM IS ALSO INCLUDED.