TDA7850 is a high power car radio audio power amplifier produced by ST company, which has the characteristics of large output power, fast switching speed and small distortion
The document describes the TDA7850, a breakthrough MOSFET technology Class AB audio power amplifier designed for high-power car radio applications. It features a fully complementary P-Channel/N-Channel output structure allowing rail-to-rail voltage swing and includes various protection functions such as output short circuit detection, thermal limiting, and load dump protection.
| Output power (4 Ω, 14.4V) | 4 x 50W Max. |
|---|---|
| Output power (2 Ω, 14.4V) | 4 x 80W Max. |
| Voltage gain | 26 dB |
| Package type | Flexiwatt 25 |
Yes, it integrates a DC offset detector to avoid anomalous DC offset on the inputs which may lead to speaker damage.
To serve both ripple rejection and pop optimization needs, its minimum recommended value is 10μF.