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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 standard AB-class audio amps.

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 Ωwith 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