The A2211 is a fully differential audio power amplifier
Fully Differential Amplifier
designed for portable communication device
Improved PSRR at 217Hz(VDD>3.0V):
applications.
86dB(Typ.)
The A2211 is capable of delivering 1.25W of
continuous average power to an 8? BTL load with less
than 1% distortion (THD+N) from a 5V battery voltage.
And operates from 2.2V to 5.5V.
Power Output at 5.0V & 1% THD:
1.25W(Typ.)
Power Output at 3.6V & 1% THD: 0.6W(Typ.)
Ultra Low Shutdown Current: 0.01uA(Typ.)
Improved Pop & Click Circuitry Eliminates
A2211 features 86dB PSRR at 217Hz, improved
Noise During Turn-on and Turn-off
RF-rectification immunity, the advanced pop & click
Transitions
circuitry, a minimal count of external components and
Thermal Overload Protection Circuitry
low-power shutdown mode make A2211 idea for
No Output Coupling Capacitors, Bootstrap
wireless handsets.
Capacitors Required
The A2211 is unity-gain stable, and the gain can be
configured by external input resistors and internal
feedback resistors
