A current regulator for inverter-based massively column-parallel ΔΣ ADCs

Jaejin Yeo; Yongsuk Choi; Jeongjin Roh; Gunhee Han; Youngcheol Chae; Seogheon Ham

doi:10.1109/TCSII.2014.2305215

A current regulator for inverter-based massively column-parallel ΔΣ ADCs

Jaejin Yeo, Yongsuk Choi, Jeongjin Roh, Gunhee Han, Youngcheol Chae, Seogheon Ham

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The inverter-based switched-capacitor delta-sigma ΔΣ analog-to-digital conversion (ADC) has become popular due to its low-voltage low-power capabilities. This brief proposes a new current regulation technique for the inverter-based circuits. The proposed circuit controls both the power supply and the common-mode levels in response to the process-voltage-temperature variations by sensing the current in the replica inverter. The proposed sense and regulation circuit is implemented for the regulation of massively column-parallel ΔΣ ADCs, and the measurement results prove that the performance is well controlled regardless of the variations.

Original language	English
Article number	6754126
Pages (from-to)	224-228
Number of pages	5
Journal	IEEE Transactions on Circuits and Systems II: Express Briefs
Volume	61
Issue number	4
DOIs	https://doi.org/10.1109/TCSII.2014.2305215
Publication status	Published - 2014 Apr

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1109/TCSII.2014.2305215

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abstract = "The inverter-based switched-capacitor delta-sigma ΔΣ analog-to-digital conversion (ADC) has become popular due to its low-voltage low-power capabilities. This brief proposes a new current regulation technique for the inverter-based circuits. The proposed circuit controls both the power supply and the common-mode levels in response to the process-voltage-temperature variations by sensing the current in the replica inverter. The proposed sense and regulation circuit is implemented for the regulation of massively column-parallel ΔΣ ADCs, and the measurement results prove that the performance is well controlled regardless of the variations.",

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AU - Ham, Seogheon

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A current regulator for inverter-based massively column-parallel ΔΣ ADCs

Abstract

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