用于神经信号记录的266nW多斩波放大器，噪声效率系数为1.38

2014 Symposium on VLSI Circuits Digest of Technical Papers Pub Date : 2014-06-10 DOI:10.1109/VLSIC.2014.6858431

Yen-Po Chen, D. Blaauw, D. Sylvester

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引用次数: 41

摘要

提出并实现了一种采用新型多斩波技术的180nm CMOS低功耗高效率神经信号记录放大器。输入参考rms噪声为1.54μV (1-500Hz)，尾电流为266nA。结果对应于1.38的噪声效率系数，这是目前最先进的放大器中报道的最好的。

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A 266nW multi-chopper amplifier with 1.38 noise efficiency factor for neural signal recording

A low power high efficiency neural signal recording amplifier with a novel multi-chopper technique is proposed and implemented in 180nm CMOS. The input referred rms noise is 1.54μV (1-500Hz) with 266nA tail current. The result corresponds to a 1.38 noise efficiency factor, which is the best reported among current state-of-the-art amplifiers.

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2014 Symposium on VLSI Circuits Digest of Technical Papers

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