Low-power embedded readout and processing system for ISFET sensors as measurement devices

Luighi A.Viton Zorrilla; Jinmi Lezama

doi:10.1109/LASCAS.2018.8399929

Low-power embedded readout and processing system for ISFET sensors as measurement devices

Luighi A.Viton Zorrilla, Jinmi Lezama

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Scopus citations

Abstract

Ion Sensitive Field Effect Transistors (ISFETs) have been widely used in different applications because of its rapid response and robustness. There are many structures of conditioning circuits proposed for ISFETs oriented to specific applications and a integrated solutions. This paper, proposes a completely embedded readout circuit and processing system to employ them as part of pH monitoring systems. The implementation was performed in the mixed signal microcontroller PSoC 5LP, with a classical constant-current and constant-voltage structure (CVCC) of 25μ and 300mV. Results shows a sensibility of 51mV/pH at 25°C and a compensated output with 0.02pH of tolerance and 0.02 of resolution.

Original language	English
Title of host publication	9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1-4
Number of pages	4
ISBN (Electronic)	9781538623114
DOIs	https://doi.org/10.1109/LASCAS.2018.8399929
State	Published - 28 Jun 2018
Externally published	Yes
Event	9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Puerto Vallarta, Mexico Duration: 25 Feb 2018 → 28 Feb 2018

Publication series

Name	9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings

Conference

Conference	9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018
Country/Territory	Mexico
City	Puerto Vallarta
Period	25/02/18 → 28/02/18

Bibliographical note

Publisher Copyright:
© 2018 IEEE.

Keywords

ISFET
PSoC
processing
readout circuit
temperature compensation

Access to Document

10.1109/LASCAS.2018.8399929

Cite this

Zorrilla, L. A. V., & Lezama, J. (2018). Low-power embedded readout and processing system for ISFET sensors as measurement devices. In 9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings (pp. 1-4). (9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/LASCAS.2018.8399929

Zorrilla, Luighi A.Viton ; Lezama, Jinmi. / Low-power embedded readout and processing system for ISFET sensors as measurement devices. 9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. pp. 1-4 (9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings).

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title = "Low-power embedded readout and processing system for ISFET sensors as measurement devices",

abstract = "Ion Sensitive Field Effect Transistors (ISFETs) have been widely used in different applications because of its rapid response and robustness. There are many structures of conditioning circuits proposed for ISFETs oriented to specific applications and a integrated solutions. This paper, proposes a completely embedded readout circuit and processing system to employ them as part of pH monitoring systems. The implementation was performed in the mixed signal microcontroller PSoC 5LP, with a classical constant-current and constant-voltage structure (CVCC) of 25μ and 300mV. Results shows a sensibility of 51mV/pH at 25°C and a compensated output with 0.02pH of tolerance and 0.02 of resolution.",

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Zorrilla, LAV & Lezama, J 2018, Low-power embedded readout and processing system for ISFET sensors as measurement devices. in 9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings. 9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings, Institute of Electrical and Electronics Engineers Inc., pp. 1-4, 9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018, Puerto Vallarta, Mexico, 25/02/18. https://doi.org/10.1109/LASCAS.2018.8399929

Low-power embedded readout and processing system for ISFET sensors as measurement devices. / Zorrilla, Luighi A.Viton; Lezama, Jinmi.
9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. p. 1-4 (9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - Ion Sensitive Field Effect Transistors (ISFETs) have been widely used in different applications because of its rapid response and robustness. There are many structures of conditioning circuits proposed for ISFETs oriented to specific applications and a integrated solutions. This paper, proposes a completely embedded readout circuit and processing system to employ them as part of pH monitoring systems. The implementation was performed in the mixed signal microcontroller PSoC 5LP, with a classical constant-current and constant-voltage structure (CVCC) of 25μ and 300mV. Results shows a sensibility of 51mV/pH at 25°C and a compensated output with 0.02pH of tolerance and 0.02 of resolution.

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Zorrilla LAV, Lezama J. Low-power embedded readout and processing system for ISFET sensors as measurement devices. In 9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2018. p. 1-4. (9th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2018 - Proceedings). doi: 10.1109/LASCAS.2018.8399929

Low-power embedded readout and processing system for ISFET sensors as measurement devices

Abstract

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Bibliographical note

Keywords

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