{"title":"用于柔性基板上传感器阵列读出电路的全LTPS TFT电荷积分放大器","authors":"Mohit Dandekar;Kris Myny;Wim Dehaene","doi":"10.1109/OJSSCS.2022.3213772","DOIUrl":null,"url":null,"abstract":"This article presents the design of a readout circuit for charge-output sensor arrays integrated on a flexible substrate. The charge-integrating amplifier is built with a current-output transimpedance amplifier that includes the integrator function with reset. The charge-integrating amplifier has a fully differential internal topology, improving over single-ended design, including the feedback amplifier implemented specifically as a Nauta-transconductor. The readout circuit has been manufactured in a 3-\n<inline-formula> <tex-math>$\\mu \\text{m}$ </tex-math></inline-formula>\n low-temperature polysilicon process on foil and measured, achieving a bandwidth of 200 kHz, operation at a 5-V supply while consuming 586-\n<inline-formula> <tex-math>$\\mu \\text{W}$ </tex-math></inline-formula>\n power and maintaining a maximum integral nonlinearity of 5%.","PeriodicalId":100633,"journal":{"name":"IEEE Open Journal of the Solid-State Circuits Society","volume":"2 ","pages":"208-216"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/8782712/9733783/09919191.pdf","citationCount":"0","resultStr":"{\"title\":\"An All LTPS-TFT-Based Charge-Integrating Amplifier for Sensor-Array Readout Circuit on Flexible Substrate\",\"authors\":\"Mohit Dandekar;Kris Myny;Wim Dehaene\",\"doi\":\"10.1109/OJSSCS.2022.3213772\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This article presents the design of a readout circuit for charge-output sensor arrays integrated on a flexible substrate. The charge-integrating amplifier is built with a current-output transimpedance amplifier that includes the integrator function with reset. The charge-integrating amplifier has a fully differential internal topology, improving over single-ended design, including the feedback amplifier implemented specifically as a Nauta-transconductor. The readout circuit has been manufactured in a 3-\\n<inline-formula> <tex-math>$\\\\mu \\\\text{m}$ </tex-math></inline-formula>\\n low-temperature polysilicon process on foil and measured, achieving a bandwidth of 200 kHz, operation at a 5-V supply while consuming 586-\\n<inline-formula> <tex-math>$\\\\mu \\\\text{W}$ </tex-math></inline-formula>\\n power and maintaining a maximum integral nonlinearity of 5%.\",\"PeriodicalId\":100633,\"journal\":{\"name\":\"IEEE Open Journal of the Solid-State Circuits Society\",\"volume\":\"2 \",\"pages\":\"208-216\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-10-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ieeexplore.ieee.org/iel7/8782712/9733783/09919191.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Open Journal of the Solid-State Circuits Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/9919191/\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Open Journal of the Solid-State Circuits Society","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/9919191/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An All LTPS-TFT-Based Charge-Integrating Amplifier for Sensor-Array Readout Circuit on Flexible Substrate
This article presents the design of a readout circuit for charge-output sensor arrays integrated on a flexible substrate. The charge-integrating amplifier is built with a current-output transimpedance amplifier that includes the integrator function with reset. The charge-integrating amplifier has a fully differential internal topology, improving over single-ended design, including the feedback amplifier implemented specifically as a Nauta-transconductor. The readout circuit has been manufactured in a 3-
$\mu \text{m}$
low-temperature polysilicon process on foil and measured, achieving a bandwidth of 200 kHz, operation at a 5-V supply while consuming 586-
$\mu \text{W}$
power and maintaining a maximum integral nonlinearity of 5%.
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