Referenced Items are not available for this document.
In this paper, the design, implementation and simulation of a high-gain, low-power, low-noise CMOS front-end transimpedance amplifier (TIA) is presented for interfacing with a bio-sensor array and analog neural circuits. An improved capacitive-feedback TIA topology is used with an active load to obtain a 100MΩ transimpedance gain, 1MHz bandwidth, 158fA/rt(Hz) input-referred current noise at sensing frequency, near 0° phase shift and 1V peak-to-peak output swing. The proposed circuit dissipates 132μW from a 1.8V supply and the circuit is implemented in a standard 0.18μm CMOS 1P6M technology.
Published in:
Circuits and Systems (MWSCAS), 2010 53rd IEEE International Midwest Symposium on
Date of Conference: 1-4 Aug. 2010
- Page(s):
- 541 - 544
- ISSN :
- 1548-3746
- Print ISBN:
- 978-1-4244-7771-5
- INSPEC Accession Number:
- 11475940
- Conference Location :
- Seattle, WA
- Digital Object Identifier :
- 10.1109/MWSCAS.2010.5548884
- Product Type:
- Conference Publications
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