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Subwoofer amplifier TDA7293

Features

Multipower BCD technology
Very high operating voltage range (±50 V)
DMOS power stage
High output power (100 W into 8 Ω
THD =10%, with VS = ±40 V)
Muting and stand-by functions
No switch on/off noise
Very low distortion
Very low noise
Short-circuit protected (with no input signal applied)
Thermal shutdown
Clip detector
Modularity (several devices can easily be connected in parallel to drive very low impedances)

Description

The TDA7293 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications, such as home stereo, self powered loudspeakers and Topclass TV. Thanks to the wide voltage range and to the high output current capability it is able to supply the highest power into both 4-Ω and 8-Ω loads. The built-in muting function with turn-on delay  simplifies the remote operation avoiding on-off switching noises. Parallel mode is possible by connecting several  devices and using pin11. High output power can  be delivered …