This document describes the features and characteristics of the TDA7850 high-power car radio power amplifier, including high output power capability, MOSFET output power stage, 2Ω driving capability, Hi-Fi class distortion, and low output noise.
The document describes the TDA7850, a Class AB audio power amplifier utilizing MOSFET technology. It is specifically designed for high-power car radio systems and features a fully complementary P-Channel/N-Channel output structure allowing rail-to-rail voltage swing. Key characteristics include low external component count with an internally fixed gain of 26 dB and no need for external compensation or bootstrap capacitors.
| Output power (4Q) | 4x50 W/4 Q max. |
|---|---|
| Operating supply voltage | 18 V |
| Voltage gain | 26 dB |
| Quiescent current | 100 mA to 280 mA |
The maximum operating supply voltage is 18 V.
The maximum junction temperature is 150 °C.
The typical voltage gain is 26 dB.