Implementation of delta-sigma analog-to-digital converter in LTPS process

Chia Chi Tsai*, Tzu Ming Wang, Ming-Dou Ker

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    1 Scopus citations

    Abstract

    An on-panel delta-sigma analog-to-digital converter (ADC) has been implemented and verified for 3-μm low-temperature polysilicon (LTPS) technology with two basic blocks: a delta-sigma modulator and a decimation filter. From the experimental results, the digital output from the delta-sigma modulator is correctly matched with the analog input voltage ratio such that the digital output can be converted into 8-bit digital code successfully under a supply voltage of 10 V from the decimation filter. The implemented on-panel delta-sigma ADC can be used for the application of temperature-to-digital converter on glass substrate.

    Original languageEnglish
    Pages (from-to)904-912
    Number of pages9
    JournalJournal of the Society for Information Display
    Volume18
    Issue number11
    DOIs
    StatePublished - Nov 2010

    Keywords

    • Analog-to-digital converter (ADC)
    • Delta-sigma
    • Low-temperature polysilicon (LTPS)
    • System-on-panel (SOP)

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