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