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TDA 7294 Audio Power Amplifier

There are many options to implement an audio power amplifiers circuit, one of them is using IC TDA7294. This IC has an audio power output up to 100 watts  with supply voltage -40 to +40 volts. The additional feature is the mute menu and standby.

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, Top-class TV). Thanks to the wide voltage range and to the high out current capability it is able to sup-ply the highest power into both 4 and 8 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.  

Figure 1. TDA 7294 Audio power amplifier.

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