A CMOS high-voltage transmitter IC for ultrasound medical imaging applications

Hyouk Kyu Cha, Dongning Zhao, Jia Hao Cheong, Bin Guo, Hongbin Yu, Minkyu Je

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

A high-voltage (HV) transmitter integrated circuit for ultrasound medical imaging applications is implemented using 0.18-μm bipolar/CMOS/DMOS technology. The proposed HV transmitter achieves high integration by only employing standard CMOS transistors in a stacked configuration with dynamic gate biasing circuit while successfully driving the capacitive micromachined ultrasound transducer device immersed in an oil environment without breakdown reliability issues. The HV transmitter including the output driver and the voltage level shifters generates over 10-Vp-p pulses at 1.25-MHz frequency and occupies only 0.022 mm2 of core die area.

Original languageEnglish
Article number6508835
Pages (from-to)316-320
Number of pages5
JournalIEEE Transactions on Circuits and Systems II: Express Briefs
Volume60
Issue number6
DOIs
StatePublished - 2013

Keywords

  • Capacitive micromachined ultrasound transducer (CMUT)
  • dynamic gate biasing
  • high-voltage (HV) transmitter
  • level shifter
  • output driver
  • ultrasound medical imaging

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