← 返回 JSSC 论文列表JSSC 2015第1期Medical & Bio0.18µm
A Fully-Implantable Cochlear Implant SoC With Piezoelectric Middle-Ear Sensor an
一种全植入式人工耳蜗SoC，集成压电中耳传感器和可重构数字声音处理器。
0.18µm CMOS, 572µW (8通道模式)
全植入式人工耳蜗压电传感器可重构处理器神经刺激器能量优化
▸采用压电传感器实现中耳声学信号检测
▸高度可重构数字声音处理器实现系统功耗可扩展
▸混合信号任意波形神经刺激器实现能量最优刺激
Abstract
A system-on-chip for an invisible, fully-implantable
cochlear implant is presented. I mplantable acoustic sensing is
achieved by interfacing the SoC t o a piezoelectric sensor that de-
tects the sound-induced motion of the middle ear. Measurements
from human cadaveric ears demonstrate that the sensor can detect
sounds between 40 and 90 dB SPL over the speech bandwidth.
Ah i g h l y - r e c o nfigurable digital sound processor enables system
power scalability by recon figuring the number of channel