The STA541SA is a dual bridge, class-AB audio amplifier from STMicroelectronics designed for high quality sound applications. It has outputs with integrated short-circuit protection, thermal protection and diagnostic functions, and is housed in a 15-pin Clipwatt ECOPACK package.
This datasheet provides the block diagram and pin description, electrical specifications, characterization curves for 4 Ω and 8 Ω loads, applications and demonstration board information, thermal information, practical information on gain and standby/mute operation, package mechanical data, and revision history.
| Output power | 2 x 20 W into 8 Ω at 17 V with 10% THD |
|---|---|
| Output power (4 Ω load) | 2 x 18 W into 4 Ω at 12 V with 10% THD |
| Fixed gain | 26 dB |
| Package | 15-pin Clipwatt ECOPACK |
| Operating supply voltage max | 22 V |
| Thermal resistance junction-case | 2.5 °C/W |
| Ambient temperature range | 0 °C to 70 °C |
It is a dual bridge, class-AB audio amplifier designed for high quality sound applications.
The gain is internally fixed at 26 dB.
It is housed in a 15-pin Clipwatt ECOPACK package.
It provides 2 x 20 W into 8 Ω at 17 V with 10% THD.