2 x 12 W hi fi audio power amplifier

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