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NXP Release New Sound Chip for Mobile Micro Speakers
TFA9890 audio driver IC pumps out a record 4 W of peak power into a standard 8-ohm speaker, with advanced speaker protection
In a push for better sound quality and more output volume, leading mobile phone makers have been raising the internal voltage used to drive micro speakers - from 3.3V through to 5V, and recently as high as 8V.
NXP have now released the new TFA9890 speaker driver IC, which enables an unprecedented 9.5V boost voltage from an integrated DC/DC converter.
Increasing the voltage headroom in the audio driver IC prevents amplifier clipping and keeps sound quality high at maximum volume.
The most powerful driver yet for micro speakers, the TFA9890 safely drives a record 4 W of peak power into a standard 8-ohm speaker that is typically rated at 0.5 W,
making a clear improvement to the sound output and quality of mobiles, tablets, TVs and portable speakers.
The company's Web site address is http://www.nxp.com/.
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