人因数字助听器芯片的双阈值前置放大器和多通道DSP

2007 IEEE Symposium on VLSI Circuits Pub Date : 2007-06-14 DOI:10.1109/VLSIC.2007.4342679

Sunyoung Kim, Seung Jin Lee, Namjun Cho, Seong-Jun Song, H. Yoo

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引用次数: 0

摘要

实现了一种考虑人为因素的低功耗、高可编程数字助听器芯片。为了实现低功耗的人为因素设计，设计了双阈值前置放大器和多通道数字信号处理器。双阈值前置放大器的动态范围为0.45 v至0.8 v，单0.9 v电源的功耗为32muw。前置放大器和DSP的核心面积分别为0.057 mm2和0.5 mm2，采用0.18 μ m CMOS技术。

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Dual Threshold Preamplifier and Multi-Channel DSP for Human Factored Digital Hearing Aid Chip

The low-power, high-programmability digital hearing aid chip with consideration of human factors is implemented. To achieve the human factored design with low-power consumption, the dual threshold preamplifier and the multi-channel digital signal processor (DSP) are designed. The dynamic range of the dual threshold preamplifier exists from 0.45-V to 0.8-V and dissipates 32-muW from a single 0.9-V supply. The core area of the preamplifier and the DSP are 0.057-mm2 and 0.5-mm2 respectively in a 0.18-mum CMOS technology.

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2007 IEEE Symposium on VLSI Circuits

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