TS4962IQT,TS4962IQT,TS4962IQT, 规格书,Datasheet 资料.pdfVIP

TS4962 2.8 W filter-free mono class D audio power amplifier Features ■ Operating from VCC = 2.4 V to 5.5 V DFN8 3 x 3 mm ■ 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 TS4962IQT pinout ■ Efficiency: 88% typical ■ Signal to noise ratio: 85 dB typical ■ PSRR: 63 dB typical at 217 Hz with 6 dB gain 11 88 ■ PWM base frequency: 280 kHz ■ Low pop click noise 22 EXPOSEDEXPOSED 77 ■ Thermal shutdown protection 33 PADPAD 66 ■ Available in DFN8 3 x 3 mm package 44 55 Applications ■ Cellular phones ■ PDAs The gain of the device can be controlled via two external gain setting resistors. Pop click ■ Notebook PCs reduction circuitry provides low on/off switch noise while allowing the device to start within 5 ms. A Description standby function (active low) enables the current