Dutch company NXP -- best known for it's NFC solutions -- introduced a new audio chip today that's set to significantly improve the sound quality of the micro-speakers commonly built into mobile devices such as smartphones and tablets. The TFA9887 integrated circuit combines NXP's CoolFlux audio DSP, a class-D amplifier with current sensing and a DC-to-DC converter to boost the output level of micro-speakers up to five times (up to 2.6W RMS) without damaging the driver. Class-D amplifiers are highly e
