Description

The TS4999 is a stereo fully-differential class D power amplifier. It can drive up to 1.35 W into a 8 Ω load at 5 V per channel. The device has four different gain settings utilizing two discrete pins, G0 and G1.

Features

■ Operates from VCC = 2.4 to 5.5 V

■ Dedicated standby mode active low/channel

■ Output power per channel: 2.8 W at 5 V into 4 Ωwith 10 THD+N or 0.7 W at 3.6 V into 8 Ω with 1 THD+N max.

■ Selectable 3D sound effect

■ Four gain setting steps: 3.5, 6, 9.5 and 12 dB

■ Low current consumption

■ PSSR: 63 dB typical at 217 Hz.

■ Fast start up phase: 7.8 ms

■ Short-circuit and thermal shutdown protection

■ Flip chip 18-bump lead-free package

Applications

■ Cellular phones

■ PDAs

■ Notebook PCs