Compact, high-performance digital amplifier with IIS digital audio signal input

摘要

Renesas Technology Europe recently announced the R2J15116FP, a compact, high-performance digital amplifier supporting IIS*1 digital audio signal input with a built-in 24-bit audio DSP. It is intended for use in thin flat-screen TVs employing LCD or plasma display panels.rnThe device, contained in a compact 7×7 mm package, accepts IIS digital audio signal input, performs signal processing using a built-in 24-bit audio DSP, and amplifies the result with a digital amplifier to deliver stereo output to two speakers at up to 15 watts per channel. Typically, thin flat-screen TVs require detailed tuning of their audio systems for different markets and screen sizes. This processing is usually performed in the preceding stage of this digital amplifier by the main DSP, which mainly handles tasks such as surround processing and decoding. This imposes a significant processing load. In the R2J151 16FP, in contrast, processing for the volume control and the parametric equalizer* 2 for generate a more varied and higher quality sound environment for video applications.