GENERAL DESCRIPTION
The ft4888 is a dual bridge-connected audio power amplifier. When supplied with 5V voltage, the ft4888 can deliver 2.1W to a 4Ω load or 2.4W to a 3Ω load with THD+N less than 1.0%.

FEATURES
● PO @ 1% THD+N, VDD = 5V
   - RL = 3Ω , PO = 2.4W (typical)
   - RL = 4Ω , PO = 2.1W (typical)
   - RL = 8Ω , PO = 1.3W (typical)
● 3D effect enhancement
● User-configurable headphone selection scheme
● Shutdown current: 0.04µA
● Supply voltage range: 2.7V to 5.5V
● PSRR @ 217Hz: 85dB (typical)
● Micro power shutdown mode
● Improved “click and pop” suppression circuitry
● Space-saving QFN4X4-24L package

APPLICATIONS
● Cell phone
● Personal digital assistant (PDA)
● Powered electronic devices