Date: 18/04/2012

Stereo spatial array chip from TI for smartphones and tablets

Texas Instruments has introduced a chip that converts a smartphone or tablet computer's narrow soundstage into a wider and audio experience for consumers. The stereo spatial array chip and companion software tool enable mobile device designers to overcome the limited soundstage of closely spaced speakers by manipulating sounds in 3D space to create a bigger, more immersive cinematic experience. The LM48903 stereo class D spatial array joins a family of spatial audio ICs designed for applications like smartphones, ultra-slim flatscreen TVs, etc.,

Features:
Complete audio solution: Chip integrates a spatial processing DSP, two class D amplifiers, 18-bit stereo analog-to-digital converter (ADC), phase-locked loop (PLL), and I2S and I2C interfaces.
Audio effect programming: Software tool speeds development work.
Immersive audio effect: Enables differentiated products that defy physical system size to provide an expanded soundstage.
Integrated 2-W speaker drivers: Two class D speaker drivers deliver 2W per channel of continuous output power into a 4-Ohm load with less than 1-percent total harmonic distortion plus noise (THD+N).
The web-based speaker array designer tool for LM48903 includes a coefficient generator that creates unique spatial audio coefficients, android drivers and an evaluation board with graphical user interface.

The LM48903 is available in a 30-bump, 2.7x3.2 mm micro SMD package.
Price of each component is $1.75 in 1,000 unit quantities.

To learn more visit www.ti.com