TS4962

TS4962 2.8 W filter-free mono class D audio power amplifier Features ■ Operating from VCC = 2.4 V to 5.5 V ■ Standby mode active low ■ Output power: 2.8 W into 4 Ω and 1.7 W into 8 Ω with 10% THD+N maximum and 5 V power supply ■ Output power: 2.2 W at 5 V or 0.7 W at 3.0 V into 4 Ω with 1% THD+N maximum ■ Output power: 1.4 W at 5 V or 0.5 W at 3.0 V into 8 Ω with 1% THD+N maximum ■ Adjustable gain via external resistors ■ Low current consumption 2 mA at 3 V ■ Efficiency: 88% typical ■ Signal to noise ratio: 85 dB typical ■ PSRR: 63 dB typical at 217 Hz with 6 dB gain ■ PWM base frequency: 280 kHz ■ Low pop & click noise ■ Thermal shutdown protection ■ Available in DFN8 3 x 3 mm package Applications ■ Cellular phones ■ PDAs ■ Notebook PCs Description The TS4962 is a differential class-D BTL power amplifier. It can drive up to 2.2 W into a 4 Ω load and 1.4 W into an 8 Ω load at 5 V. It achieves outstanding efficiency (88% typ.) compared to standar...