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Class-D stereo amplifier (TPA3131D2)

TI's Class-D stereo amplifier produces size-defying sound for ultrabooks, Bluetooth speakers, and tablet and ultrabook docking stations. The TPA3131D2 is the industry’s first Class-D amplifier to deliver 7W from a miniature QFN package. It produces more than three times the power output compared to high definition audio codecs, and it's half the package size of discrete amplifiers with comparable output, while delivering longer standby battery life.