GENERAL DESCRIPTION
The IS31AP2036 is a Class-K audio power amplifier with high efficiency and automatic gain control. It drives up to 2.0W (10% THD+N) into an 8Ω speaker from a 4.2V VCC supply.
The IS31AP2036 integrates advanced high efficiency charge pump and whole power amplifier efficiency can be up to 75%. The output power will be maintained in 0.8W, 1.0W and 1.2W.

FEATURES
● Operates from 3.0V to 5.0V
● Ultra low output noise floor
● Low EMI
● -72dB (217Hz) high PSRR
● 0.05% low THD+N
● AGC function
● Pulse Count Control serial interface
● Output power in 0.8W, 1W and 1.2W levels
● Thermal and short-circuit protection
● Integrated Click-and-Pop suppression circuitry
● Available in FCQFN-16 (2mm × 2mm) package

APPLICATIONS
● Smart phones
● Cellular phones
● PDAs
● GPS
● Portable electronics