A 45-dB, 150-Hz, and 18-mW Touch Controller for On-Cell Capacitive TSP Systems
A touch controller is proposed for on-cell capacitive touch screen panel systems, which adopts a newly proposed peaking noise detector and low-frequency rejection filters. Implemented in a 0.35-mu m CMOS, the proposed touch controller with 3.3-V drive signal shows the maximum signal-to-noise ratio and scan rate of 45 dB and 150 Hz, respectively, while consuming 18 mW from a 3.3-V supply.
- Issue Date
- 2014-10
- Language
- English
- Article Type
- Article
- Citation
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.61, no.10, pp.748 - 752
- ISSN
- 1549-7747
- Appears in Collection
- EE-Journal Papers(저널논문)
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