AmplifierCircuits

GENERAL DESCRIPTION: The TDA1521/TDA1521Q is 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 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 Circuit diagram: 2 x 12 W hi-fi audio power amplifier with symmetrical power supply 2 x 12 W hi-fi audio power amplifier with asymmetrical power supply