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A 3-V, 6-bit C-2C digital-to-analog converter using complementary organic thin-film transistors on glass

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5 Author(s)
Wei Xiong ; Stanford Univ., Stanford, CA, USA ; Yang Guo ; Murmann, B. ; Zschieschang, U.
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A 3-V, 6-bit DAC is designed using complementary organic thin-film transistors on a glass substrate. The p-channel and n-channel transistors utilize dinaphtho-thieno-thiophene (DNTT) and hexadecafluorocopperphthalocyanine (F16CuPc) as the organic semiconductors, respectively. A low-temperature process compatible with flexible plastic substrates is used to fabricate the circuit. The DAC utilizes switched-capacitors to circumvent the large transistor variations, and a C-2C structure to avoid the very large capacitances that would otherwise be required in the thin-film process. With calibration, the DAC achieves DNL and INL of less than +/- 1 LSB at a conversion rate of 100 Hz.

Published in:

Solid State Device Research Conference, 2009. ESSDERC '09. Proceedings of the European

Date of Conference:

14-18 Sept. 2009