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该论文提出了一种采用有机薄膜晶体管（OTFT）在玻璃衬底上实现的3.3V、6位、100kS/s电流舵数模转换器（DAC）。利用低温工艺制备的OTFT，实现了低电压操作，适用于柔性、大面积及生物医学电子应用。这是首次将OTFT应用于电流舵DAC架构，展示了有机半导体在混合信号集成电路中的潜力。
Florian Letzkus1, Harald Richter1, Hagen Klauk3, Joachim N. Burghartz1,2 1 Institute for Microelectronics Stuttgart (IMS CHIPS), Stuttgart, Germany, University of Stuttgart, Stuttgart, Germany, 3 Max Planck Institute for Solid State Research, Stuttgart, Germany 2 Organic thin-film transistors (OTFT) processed at low-temperatures offer prospects for a vast number of integrated circuit applications in mechanically flexible, inexpensive, large-area and biomedical electronics [1]. In addition, the low-voltage operation capability of recent OTFTs makes them well-suited for battery-powered or radio frequency-coupled portable devices [2]. In such applications, data conversion to interface the digital processors with the analog world is an essential necessity. Here, we demonstrate a compact 6b current-steering D/A converter (DAC) circuit, built in OTFT technology, which is 1000× faster and 30× smaller than the previously published data for a 6b DAC [3]. These considerable improvements result f
Tarek Zaki1,2, Frederik Ante3, Ute Zschieschang3, Joerg Butschke1,