一个3.4W数字输入d类音频放大器

2011 Proceedings of the ESSCIRC (ESSCIRC) Pub Date : 2011-10-13 DOI:10.1109/ESSCIRC.2011.6044921

M. Berkhout, Lutsen Dooper

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引用次数: 9

摘要

本文提出了一种用于移动应用的d类音频放大器，采用0.14μm CMOS技术实现。放大器有一个简单的基于pdm的数字接口，只需要两个引脚，可以在9 bump WL-CSP上组装。一个可重构的驱动器被用来减少静态电流消耗和辐射发射。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 3.4W digital-in class-D audio amplifier

In this paper a class-D audio amplifier for mobile applications is presented realized in a 0.14μm CMOS technology tailored for mobile applications. The amplifier has a simple PDM-based digital interface that requires only two pins and enables assembly n 9-bump WL-CSP. A reconfigurable ate driver is used that reduces quiescent current consumption and radiated emission.

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2011 Proceedings of the ESSCIRC (ESSCIRC)

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