GENERAL DESCRIPTION
The TDA1521/TDA1521Q is tda1521 a dual hi-fi audio power amplifier encapsulated in a 9-lead plastic power package. The device is especially designed for mains fed applications (e.g. stereo tv sound and stereo radio).
Features
? Requires very few external components
? Input muted during power-on 
tda1521 and off (no switch-on or switch-off clicks)
? Low offset voltage between output and ground
? Excellent gain balance between channels
? Hi-fi according to IEC 268 and DIN 45500
? Short-circuit-proof
? Thermally protected
