An Energy-Efficient 3.7-nV/√ Hz Bridge-Readout IC with a Stable Bridge Offset Compensation Scheme

Hui Jiang; Kofi A.A. Makinwa; Stoyan Nihtianov

doi:10.1109/ISSCC.2017.7870316

An Energy-Efficient 3.7-nV/√ Hz Bridge-Readout IC with a Stable Bridge Offset Compensation Scheme

Hui Jiang, Kofi A.A. Makinwa, Stoyan Nihtianov

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

32 Citations (SciVal)

Abstract

Wheatstone bridge sensors are often used in precision instrumentation and measurement systems, e.g., for μK-resolution temperature sensing in wafer steppers [1] and mPa-resolution differential pressure sensing in precision air gauges [2]. Since they output small differential signals superimposed on a large common-mode (CM) voltage, typical bridge readout ICs (ROICs) consist of an instrumentation amplifier (IA) followed by an ADC [1]. This paper describes a low-noise energy-efficient ROIC, which achieves a 3.7nV/√Hz input-referred noise PSD and a power efficiency factor (PEF) of 44.1. The latter represents a 5× improvement on the state of the art [3].

Original language	English
Title of host publication	2017 IEEE International Solid-State Circuits Conference, ISSCC 2017
Subtitle of host publication	Digest of Technical Papers
Editors	Laura C. Fujino
Place of Publication	Danvers, MA
Publisher	IEEE
Pages	172-173
Number of pages	2
Volume	60
ISBN (Electronic)	978-1-5090-3758-2
ISBN (Print)	978-1-5090-3757-5
DOIs	https://doi.org/10.1109/ISSCC.2017.7870316
Publication status	Published - 2017
Event	ISSCC 2017: 64th IEEE International Solid-State Circuits Conference - San Francisco, CA, United States Duration: 5 Feb 2017 → 9 Feb 2017

Conference

Conference	ISSCC 2017
Country/Territory	United States
City	San Francisco, CA
Period	5/02/17 → 9/02/17

Bibliographical note

Session 9, Sensors 9.8

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Bridge circuits
Energy efficiency
Choppers (circuits)
Sensors
Impedance
Logic gates
Modulation

Access to Document

10.1109/ISSCC.2017.7870316

Cite this

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title = "An Energy-Efficient 3.7-nV/√ Hz Bridge-Readout IC with a Stable Bridge Offset Compensation Scheme",

abstract = "Wheatstone bridge sensors are often used in precision instrumentation and measurement systems, e.g., for μK-resolution temperature sensing in wafer steppers [1] and mPa-resolution differential pressure sensing in precision air gauges [2]. Since they output small differential signals superimposed on a large common-mode (CM) voltage, typical bridge readout ICs (ROICs) consist of an instrumentation amplifier (IA) followed by an ADC [1]. This paper describes a low-noise energy-efficient ROIC, which achieves a 3.7nV/√Hz input-referred noise PSD and a power efficiency factor (PEF) of 44.1. The latter represents a 5× improvement on the state of the art [3].",

keywords = "Bridge circuits, Energy efficiency, Choppers (circuits), Sensors, Impedance, Logic gates, Modulation",

author = "Hui Jiang and Makinwa, {Kofi A.A.} and Stoyan Nihtianov",

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year = "2017",

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isbn = "978-1-5090-3757-5",

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publisher = "IEEE",

address = "United States",

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Jiang, H, Makinwa, KAA & Nihtianov, S 2017, An Energy-Efficient 3.7-nV/√ Hz Bridge-Readout IC with a Stable Bridge Offset Compensation Scheme. in LC Fujino (ed.), 2017 IEEE International Solid-State Circuits Conference, ISSCC 2017: Digest of Technical Papers. vol. 60, 7870316, IEEE, Danvers, MA, pp. 172-173, ISSCC 2017, San Francisco, CA, United States, 5/02/17. https://doi.org/10.1109/ISSCC.2017.7870316

An Energy-Efficient 3.7-nV/√ Hz Bridge-Readout IC with a Stable Bridge Offset Compensation Scheme. / Jiang, Hui; Makinwa, Kofi A.A.; Nihtianov, Stoyan.
2017 IEEE International Solid-State Circuits Conference, ISSCC 2017: Digest of Technical Papers. ed. / Laura C. Fujino. Vol. 60 Danvers, MA: IEEE, 2017. p. 172-173 7870316.

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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AU - Jiang, Hui

AU - Makinwa, Kofi A.A.

AU - Nihtianov, Stoyan

N1 - Session 9, Sensors 9.8

PY - 2017

Y1 - 2017

N2 - Wheatstone bridge sensors are often used in precision instrumentation and measurement systems, e.g., for μK-resolution temperature sensing in wafer steppers [1] and mPa-resolution differential pressure sensing in precision air gauges [2]. Since they output small differential signals superimposed on a large common-mode (CM) voltage, typical bridge readout ICs (ROICs) consist of an instrumentation amplifier (IA) followed by an ADC [1]. This paper describes a low-noise energy-efficient ROIC, which achieves a 3.7nV/√Hz input-referred noise PSD and a power efficiency factor (PEF) of 44.1. The latter represents a 5× improvement on the state of the art [3].

AB - Wheatstone bridge sensors are often used in precision instrumentation and measurement systems, e.g., for μK-resolution temperature sensing in wafer steppers [1] and mPa-resolution differential pressure sensing in precision air gauges [2]. Since they output small differential signals superimposed on a large common-mode (CM) voltage, typical bridge readout ICs (ROICs) consist of an instrumentation amplifier (IA) followed by an ADC [1]. This paper describes a low-noise energy-efficient ROIC, which achieves a 3.7nV/√Hz input-referred noise PSD and a power efficiency factor (PEF) of 44.1. The latter represents a 5× improvement on the state of the art [3].

KW - Bridge circuits

KW - Energy efficiency

KW - Choppers (circuits)

KW - Sensors

KW - Impedance

KW - Logic gates

KW - Modulation

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BT - 2017 IEEE International Solid-State Circuits Conference, ISSCC 2017

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ER -

An Energy-Efficient 3.7-nV/√ Hz Bridge-Readout IC with a Stable Bridge Offset Compensation Scheme

Abstract

Conference

Bibliographical note

UN SDGs

Keywords

Access to Document

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