发明名称 |
LOGARITHMIC SINGLE-SLOPE ANALOG DIGITAL CONVERTOR, IMAGE SENSOR DEVICE AND THERMOMETER USING THE SAME, AND METHOD FOR LOGARITHMIC SINGLE-SLOPE ANALOG DIGITAL CONVERTING |
摘要 |
PURPOSE: A nonlinear single slope AD converter, an image sensor device using the same, a temperature sensor device using the same and a nonlinear slope AD conversion method are provided to acquire reliable nonlinear characteristics by using a digital circuit. CONSTITUTION: A ramp generating part generates a ramp input having a set gradient. A comparator(110) compares an input voltage with the ramp input. A control block(120) transfers information about a comparison time point between the input voltage and the ramp input to a memory unit(140). The control block generates the signal saved in the memory unit or the signal for calling information. The nonlinear counter generates a signal with difference sampling frequencies from inputted clock signals.
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申请公布号 |
KR20110064514(A) |
申请公布日期 |
2011.06.15 |
申请号 |
KR20090121167 |
申请日期 |
2009.12.08 |
申请人 |
DONGGUK UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION;KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION |
发明人 |
SONG, MIN KYU;KIM, DAE YUN;MOON, JUN HO |
分类号 |
H03M1/12;H03M1/58 |
主分类号 |
H03M1/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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