0.0013mm2 3.6μW nested-current-mirror single-stage amplifier driving 0.15-to-15nF capacitive loads with >62° phase margin

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	0.0013mm2 3.6μW nested-current-mirror single-stage amplifier driving 0.15-to-15nF capacitive loads with >62° phase margin
	Mak, P. I.; Law, M. K.; Martins, R. P.
	2014-02-09
Source Publication	Proceeding of IEEE International Solid-State Circuits Conference
Abstract	This paper introduces a nested-current-mirror (NCM) single-stage amplifier to advance its GBW-to-power/area efficiency and CL drivability beyond the multi-stage designs, while preserving a rail-to-rail output swing. The fabricated NCM amplifier demonstrates 33x higher GBW and 47dB higher DC gain than those of a typical differential-pair (DP) amplifier at equal power and area. By benchmarking with the recent three-stage amplifiers, this work improves FOM1 [=GBW.CL/(Power.Area)] by >6.6x, and upholds a comparable FOM2 [=SR.CL/(Power.Area)]. The CL drivability is >10x wider, while avoiding the stability limit at the heavy-CL side. These results justify advanced single-stage amplifiers as a potential replacement for multi-stage designs in traditional (e.g. 100pF/m coaxial cable) and advanced (e.g. low temperature polysilicon LCD) buffer interfaces.
Keyword	circuit stability feedforward neural networks measurement mirrors noise transistors
URL	View the original
Language	英語English
The Source to Article	PB_Publication
PUB ID	11714
Document Type	Conference paper
Collection	DEPARTMENT OF BIOMEDICAL SCIENCES
Corresponding Author	Mak, P. I.
Recommended Citation GB/T 7714	Mak, P. I.,Law, M. K.,Martins, R. P.. 0.0013mm2 3.6μW nested-current-mirror single-stage amplifier driving 0.15-to-15nF capacitive loads with >62° phase margin[C], 2014.
APA	Mak, P. I.., Law, M. K.., & Martins, R. P. (2014). 0.0013mm2 3.6μW nested-current-mirror single-stage amplifier driving 0.15-to-15nF capacitive loads with >62° phase margin. Proceeding of IEEE International Solid-State Circuits Conference.

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