Referenced Items are not available for this document.
A novel current operational amplifier, in which the traditionally adopted input current follower is replaced by an input stage that exhibits current gain and single-input-to-differential-output conversion, is presented. Due to this, increased values of both dc gain and common-mode rejection ratio (CMRR) are obtained in the overall amplifier. A CMOS implementation, along with postlayout simulations, which are in good agreement with expected data, is also included. The proposed design is supplied with 2.5 V, dissipates 0.7 mW, and provides a nominal dc gain, a gain-bandwidth product, and a CMRR (at dc) of 72 dB, 28 MHz, and greater than 100 dB, respectively
Published in:
Circuits and Systems II: Express Briefs, IEEE Transactions on
(Volume:53
,
Issue:
10
)
Date of Publication: Oct. 2006
- Page(s):
- 1118 - 1122
- ISSN :
- 1549-7747
- INSPEC Accession Number:
- 9152310
- Digital Object Identifier :
- 10.1109/TCSII.2006.882123
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 23 October 2006
- Issue Date :
- Oct. 2006
- Sponsored by :
- IEEE Circuits and Systems Society
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