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 |
