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A 10-bit pipeline A...
A 10-bit pipeline ADC using 40-dB opamps and calibrated customized references
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Chen, Cheng (author)
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- Yuan, Jiren (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2007
- 2007
- English.
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In: 7th International Conference on ASIC, 2007. ASICON '07. - 9781424411320 ; , s. 249-252
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Abstract
Subject headings
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- A 10-bit pipeline A/D converter using low gain (<= 40 dB) operational amplifiers (opamps) is presented. Without. interfering the normal analog-to-digital conversion, a continuous reference refreshing technique is exploited. This technique effectively reduces the gain requirement of opamp while the conversion speed is not compromised, allowing the use of simple cascode CMOS inverters. The compensation of finite gain of the opamp is made by using customized reference voltages that is calibrated periodically. The technique has been confirmed by intensive simulations. As a result of the relaxed opamp gain requirement, significant reduction in power consumption can be achieved.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- finite opamp gain
- pipeline A/D converter
- calibration
- reference
- refreshing
Publication and Content Type
- kon (subject category)
- ref (subject category)
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