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Anpec releases 15W stereo Class-D audio power amplifier

02 May 2016

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Anpec's latest 15W, Class-D, stereo audio power amplifier is available in TSSOP-28P and QFN4x4- 28B pins packages.

The Class-D power amplifier has higher efficiency compared to the traditional Class-AB power amplifier. The filter free Class-D architecture eliminates the external low pass filters. The internal gain setting can minimise the external component counts, and for the flexible application the gain can be set to 4-step 20, 26, 32, 36dB by gain control pins (GAIN0 and GAIN1). The AGC function protects the speaker from being out of its power rating but maintains performance.

The integration of Class-D power amplifier is a best solution for high efficiency and low BOM costs. The operating voltage is from 4.5V to 16V. The APA2623 power amplifiers are capable of driving 15 W at VDD=16V into 8W speaker, and provides thermal and over-current protections. It also can detect the DC and then prevent the speaker voice coil from being destroyed.

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