TS4962IQT Description

The TS4962IQT 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.

TS4962IQT Features

• Operating from V_CC = 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 of 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 and click noise

• Available in DFN8 3 x 3 mm package

TS4962IQT Applications

• Cellular phones

• PDAs

• Notebook PCs