A 12-bit 7 μw/channel 1 kHz/channel incremental ADC for biosensor interface circuits

Chia-Hung Chen; Joseph Crop; Jeongseok Chae; Patrick Chiang; Gabor C. Temes

doi:10.1109/ISCAS.2012.6271940

A 12-bit 7 μw/channel 1 kHz/channel incremental ADC for biosensor interface circuits

Chia-Hung Chen^*, Joseph Crop, Jeongseok Chae, Patrick Chiang, Gabor C. Temes

^*Corresponding author for this work

Department of Electrical and Computer Engineering

Research output: Contribution to conference › Paper › peer-review

31 Scopus citations

Abstract

A two-channel micro-power incremental ADC, designed for biosensor interface circuits, is reported. It uses a noise-coupled multi-bit delta-sigma loop, integrated with a novel digital decimation filter operating in near-threshold. It was realized in the IBM 90 nm CMOS technology. The fabricated 90nm CMOS prototype device, for a 1 V _pp differential input range, experimentally shows a 74dB SNDR up to 2 kHz (1 kHz/channel) signal bandwidth. The total measured power consumption of the modulator is 13.5 μW.

Original language	English
Pages	2969-2972
Number of pages	4
DOIs	https://doi.org/10.1109/ISCAS.2012.6271940
State	Published - 28 Sep 2012
Event	2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012 - Seoul, Korea, Republic of Duration: 20 May 2012 → 23 May 2012

Conference

Conference	2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012
Country/Territory	Korea, Republic of
City	Seoul
Period	20/05/12 → 23/05/12

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10.1109/ISCAS.2012.6271940

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abstract = "A two-channel micro-power incremental ADC, designed for biosensor interface circuits, is reported. It uses a noise-coupled multi-bit delta-sigma loop, integrated with a novel digital decimation filter operating in near-threshold. It was realized in the IBM 90 nm CMOS technology. The fabricated 90nm CMOS prototype device, for a 1 V pp differential input range, experimentally shows a 74dB SNDR up to 2 kHz (1 kHz/channel) signal bandwidth. The total measured power consumption of the modulator is 13.5 μW.",

author = "Chia-Hung Chen and Joseph Crop and Jeongseok Chae and Patrick Chiang and Temes, {Gabor C.}",

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AU - Crop, Joseph

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AU - Chiang, Patrick

AU - Temes, Gabor C.

PY - 2012/9/28

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AB - A two-channel micro-power incremental ADC, designed for biosensor interface circuits, is reported. It uses a noise-coupled multi-bit delta-sigma loop, integrated with a novel digital decimation filter operating in near-threshold. It was realized in the IBM 90 nm CMOS technology. The fabricated 90nm CMOS prototype device, for a 1 V pp differential input range, experimentally shows a 74dB SNDR up to 2 kHz (1 kHz/channel) signal bandwidth. The total measured power consumption of the modulator is 13.5 μW.

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A 12-bit 7 μw/channel 1 kHz/channel incremental ADC for biosensor interface circuits

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