This is one of the semiconductor types. This part name is TDA7294.
This product has 100V – 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY functions.
Manufacturers of product is ST Microelectronics.
Image and pinout :
TDA7294 PDF Datasheet
Some of the text files within the PDF file
® TDA7294 100V – 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY VERY HIGH OPERATING VOLTAGE RANGE (±40V) DMOS POWER STAGE HIGH OUTPUT POWER (UP TO 100W MUSIC POWER) MUTING/STAND-BY FUNCTIONS NO SWITCH ON/OFF NOISE NO BOUCHEROT CELLS VERY LOW DISTORTION VERY LOW NOISE SHORT CIRCUIT PROTECTION THERMAL SHUTDOWN DESCRIPTION The TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Topclass TV). Thanks to the wide voltage range and Figure 1: Typical Application and Test Circuit MULTIPOWER BCD TECHNOLOGY Multiwatt15V Multiwatt15H ORDERING NUMBERS: TDA7294V TDA7294HS to the high out current capability it is able to supply the highest power into both 4Ω and 8Ω loads even in presence of poor supply regulation, with high Supply Voltage Rejection. The built in muting function with turn on delay simplifies the remote operation avoiding switching on-off noises. V [ … ]
Please refer to the file for details.