TDA2009A is a class AB dual Hi-Fi Audio power amplifier assembled in Multiwatt package, specially designed for high quality stereo application as Hi-Fi and music centers.
The TDA2009A is a class‑AB dual Hi‑Fi audio power amplifier packaged in a Multiwatt® case, designed for high‑quality stereo applications such as music centers. It offers 10 W per channel into 8 Ω or 12.5 W per channel into 4 Ω with low distortion and built‑in protection features.
The datasheet provides absolute maximum ratings, electrical characteristics, thermal data, mechanical dimensions, and example application circuits, including tone‑balance and muting functions. It also includes performance graphs for output power, distortion, and efficiency across supply voltage and frequency ranges.
| Supply Voltage (Vs) range | 8 V – 28 V |
|---|---|
| Output Peak Current (repetitive, >20 Hz) | 3.5 A |
| Thermal Resistance Junction‑case | 3 °C/W |
| Power Dissipation at Tcase = 90 °C | 20 W |
The maximum supply voltage is 28 V.
The device includes AC short‑circuit protection and thermal overload protection.