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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Peng Sun Menglian Zhao Xiaobo Wu Rui Fan |
| Copyright Year | 2012 |
| Description | Author affiliation: Institute of VLSI Design, Zhejiang University, Hangzhou, China (Peng Sun; Menglian Zhao; Xiaobo Wu; Rui Fan) |
| Abstract | This paper presents a novel low power high precision instrumentation amplifier (IA) for general sensors. By using capacitively-coupled topology, wide input common-mode range, high gain accuracy and low power consumption is achieved. To reduce high output ripples caused by chopping technique and avoid noise aliasing effect due to auto-zeroing technique, these two techniques are employed simultaneously in this novel IA to alleviate their own adverse effects. The designed IA was implemented in SMIC 0.18µm CMOS process, and its core area is $0.28mm^{2}.$ Simulations show that it consumes only 4.5µA current at 1V supply and the equivalent input noise power spectrum density (PSD) is 42.66nV/√Hz around 100Hz. |
| Starting Page | 156 |
| Ending Page | 159 |
| File Size | 584652 |
| Page Count | 4 |
| File Format | |
| e-ISBN | 9781457717291 |
| DOI | 10.1109/APCCAS.2012.6418995 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-12-02 |
| Publisher Place | Taiwan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Noise Choppers (circuits) Impedance Instruments Capacitors Sensors Topology low power chop ping-pong auto-zero low noise instrumentation amplifier |
| Content Type | Text |
| Resource Type | Article |
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