一种用于助听器的低压低功耗全集成前端

ESSCIRC '95: Twenty-first European Solid-State Circuits Conference Pub Date : 1995-09-01 DOI:10.1109/81.477203

W. Serdijn, A. C. van der Woerd, J. Davidse, A. V. van Roermund

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引用次数: 26

摘要

本文介绍了一种普遍适用于助听器的模拟集成电路的核心:麦克风前置放大器和可调膝电平输入控制的自动增益控制。测试芯片的工作电压低至1.05 V，电流消耗在80到125 a之间。2.5 m BiCMOS工艺(仅使用垂直npn和横向pnp)的全定制芯片面积为0.56 mm2。

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 Low-Voltage Low-Power Fully-Integratable Front-End for Hearing Instruments

In this paper, the core of a universally applicable analog integrated circuit for hearing instruments is presented: a microphone preamplifier and an input-controlled automatic gain control with an adjustable knee level. The test chip demonstrates operation down to 1.05 V and a current consumption between 80 and 125 ¿A. The full-custom chip area in a 2.5¿m BiCMOS process (using only vertical NPNs and lateral PNPs) amounts to 0.56 mm2.

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ESSCIRC '95: Twenty-first European Solid-State Circuits Conference

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