
STMicroelectronics
Description
The TS4962M is a differential Class-D BTL power amplifier. It is able to drive up to 2.3W into a 4Ω load and 1.4W into a 8Ω load at 5V. It achieves outstanding efficiency (88%typ.) compared to classical Class-AB audio amps.
FEATUREs
■ Operating from VCC = 2.4V to 5.5V
■ Standby mode active low
■ Output power: 3W into 4Ω and 1.75W into 8Ω
with 10% THD+N max and 5V power supply. ■ Output power: 2.3W @5V or 0.75W @ 3.0V into 4Ω with 1% THD+N max.
■ Output power: 1.4W @5V or 0.45W @ 3.0V into 8Ω with 1% THD+N max.
■ Adjustable gain via external resistors
■ Low current consumption 2mA @ 3V
■ Efficiency: 88% typ.
■ Signal to noise ratio: 85dB typ.
■ PSRR: 63dB typ. @217Hz with 6dB gain
■ PWM base frequency: 250kHz
■ Low pop & click noise
■ Thermal shutdown protection
■ Available in flip-chip 9 x 300μm (Pb-free)
APPLICATIONs
■ Cellular phone
■ PDA
■ Notebook PC