The SGM4891 is a 1.2W, fully integrated, audio power
amplifier. It is designed to maximize audio performance
in portable applications such as mobile phone. The
portable application requires audio power amplifier has
minimum of external components and can operate from a
single 2.5V to 5.5V power supply. SGM4891 is capable of
delivering 1.2W of continuous output power with typically
1% distortion (THD+N) when it drives an 8Ω speaker
from a 5.0V power supply.
The SGM4891 features a low power consumption
shutdown mode, which is achieved by driving the
shutdown pin with a logic low. Additionally, the SGM4891
features an internal thermal shutdown protection
mechanism.
The SGM4891 does not require output coupling
capacitors or bootstrap capacitors, and therefore is
ideally suited for mobile phone and other low voltage
applications where minimal power consumption is a
primary requirement. SGM4891YDE8G/TR资料下载
