Optimized PWM Output Stage: Filterless Capability Efficiency up to 90% and Low 2.5mA Typical Quiescent Current Large Output Power Capability: 1.4W with 8Ω Load and THD+N<1% Wide Supply Voltage Range: 2.5-5.5V Operating Voltage High Performance, THD+N of 0.03%@Vp=5V, RL=8Ω, Pout=100mW Excellent PSRR (-65dB): No Need for Voltage Regulation Surface Mounted Package 9-Pin Flip-Chip CSP (SnPb and Pb-Free) Fully Differential Design. Eliminates Two Input Coupling Capacitors Very Fast Turn On/Off Times with Advanced Rising and Falling Gain Technique External Gain Configuration Capability Internally Generated 250kHz Switching Frequency Short Circuit Protection Circuitry Pop & Click Noise Protection Circuitry End Products Cellular Phone Portable Game, DVD Global Positioning System/ Device (GPS/ GPN) Smart phone, PDA, PMP Applications Audio Amplification for 4ohm/ 8ohm speaker