Minimizing intrinsic input leakage current and capacitance in hybrid sensor readout circuits

Research output: Contribution to conferencePosterResearch

Abstract

Noise in many sensor systems and particularly in radiation detection systems is determined by the input capacitance and leakage current. In hybrid detection systems a protection against electrostatic discharge, ideally transparent, adds parasitics at the input pad. Sensors representing small equivalent capacitance seen from the input or small leakage (or both) are sensitive to such additional parasitics of the readout electronics. This work focuses on reducing these parasitics. Focusing on hybrid sensor for ionizing radiation detection, the radiation tolerance has also been considered. Input protection pads targeting minimized increase in leakage current due to Total Ionizing Dose (TID) have been implemented in REDComET (Radiation and Electrostatic Discharge Combined Effects Test Chip) fabricated in 180 nm CMOS. In addition the testchip studies techniques for the input leakage current compensation: leakage current originating from the detector as well as from the pad protection.

Fingerprint

Hybrid sensors
Leakage currents
readout
leakage
Capacitance
capacitance
Electrostatic discharge
Networks (circuits)
sensors
Radiation
electrostatics
Ionizing radiation
Sensors
radiation tolerance
radiation
Electronic equipment
ionizing radiation
Detectors
CMOS
chips

Keywords

  • IC, X-rays, front-end, ESD, ionizing radiation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Radiation
  • Instrumentation

Cite this

Michalowska-Forsyth, A. M. (2018). Minimizing intrinsic input leakage current and capacitance in hybrid sensor readout circuits. Poster session presented at Third Barcelona Techno Week 2018, Barcelona, Spain.

Minimizing intrinsic input leakage current and capacitance in hybrid sensor readout circuits. / Michalowska-Forsyth, Alicja Malgorzata.

2018. Poster session presented at Third Barcelona Techno Week 2018, Barcelona, Spain.

Research output: Contribution to conferencePosterResearch

Michalowska-Forsyth, AM 2018, 'Minimizing intrinsic input leakage current and capacitance in hybrid sensor readout circuits' Third Barcelona Techno Week 2018, Barcelona, Spain, 2/07/18 - 6/07/18, .
Michalowska-Forsyth AM. Minimizing intrinsic input leakage current and capacitance in hybrid sensor readout circuits. 2018. Poster session presented at Third Barcelona Techno Week 2018, Barcelona, Spain.
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abstract = "Noise in many sensor systems and particularly in radiation detection systems is determined by the input capacitance and leakage current. In hybrid detection systems a protection against electrostatic discharge, ideally transparent, adds parasitics at the input pad. Sensors representing small equivalent capacitance seen from the input or small leakage (or both) are sensitive to such additional parasitics of the readout electronics. This work focuses on reducing these parasitics. Focusing on hybrid sensor for ionizing radiation detection, the radiation tolerance has also been considered. Input protection pads targeting minimized increase in leakage current due to Total Ionizing Dose (TID) have been implemented in REDComET (Radiation and Electrostatic Discharge Combined Effects Test Chip) fabricated in 180 nm CMOS. In addition the testchip studies techniques for the input leakage current compensation: leakage current originating from the detector as well as from the pad protection.",
keywords = "IC, X-rays, front-end, ESD, ionizing radiation",
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AB - Noise in many sensor systems and particularly in radiation detection systems is determined by the input capacitance and leakage current. In hybrid detection systems a protection against electrostatic discharge, ideally transparent, adds parasitics at the input pad. Sensors representing small equivalent capacitance seen from the input or small leakage (or both) are sensitive to such additional parasitics of the readout electronics. This work focuses on reducing these parasitics. Focusing on hybrid sensor for ionizing radiation detection, the radiation tolerance has also been considered. Input protection pads targeting minimized increase in leakage current due to Total Ionizing Dose (TID) have been implemented in REDComET (Radiation and Electrostatic Discharge Combined Effects Test Chip) fabricated in 180 nm CMOS. In addition the testchip studies techniques for the input leakage current compensation: leakage current originating from the detector as well as from the pad protection.

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