
STMicroelectronics
Description
The TS4962 is a differential class-D BTL power amplifier. It is able to drive up to 2.2W into a 4Ω load and 1.4W into a 8Ω load at 5V. It achieves outstanding efficiency (88% typ.) compared to standard AB-class audio amps.
FEATUREs
■ Operating from VCC=2.4V to 5.5V
■ Standby mode active low
■ Output power: 2.8W into 4Ω and 1.7W into 8Ω with 10% THD+N max and 5V power supply
■ Output power: 2.2W @5V or 0.7W @ 3.0V into 4Ω with 1% THD+N max.
■ Output power: 1.4W @5V or 0.5W @ 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: 280kHz
■ Low pop & click noise
■ Thermal shutdown protection
■ Available in DFN8 3X3 mm package
APPLICATIONs
■ Cellular phone
■ PDA
■ Notebook PC