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A 2μV low offset, 130 dB high gain continuous auto zero operational amplifier
2017 Edition, April 1, 2017 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper discusses the design of a Continuous Time Auto Zero amplifier (CTAZ) to reduce the offset voltage for sensing very small analog signals. The CTAZ simulation results show that the design is able to achieve an offset of around 2μV for...

Auto-zero stabilized CMOS amplifiers for very low voltage or current offset
2003 Edition, Volume 1, January 1, 2003 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, we present two amplifiers designed in CMOS technology and including an auto-zero architecture for very low offset control. The first design is a high precision operational amplifier focusing on the voltage offset....

Radiation-Hardened Low-Level Offset Operational Amplifiers
2014 Edition, Volume 61, June 1, 2014 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Continuous-time auto-zero and ping-pong operational amplifiers dedicated to space applications are proposed. The circuits were implemented in a standard 130 nm CMOS technology. They have been irradiated to evaluate their low-dose-rate...

Design of a TID-tolerant low-level offset operational amplifier
2013 Edition, June 1, 2013 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

An auto-zero operational amplifier dedicated to space applications is proposed. Its operation principle is based on a continuous-time auto-zeroed amplifier topology to provide a low-level offset. The circuit was...

High speed, low offset, low power differential comparator with constant common mode voltage
2017 Edition, October 1, 2017 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A high-speed comparator with improved input referred offset is presented and analyzed in this paper. The proposed comparator is designed in low power TSMC CMOS technology with 1.2 V as power supply. Proposed comparator features low power consumption and dual...

A high temperature precision amplifier
1995 Edition, Volume 30, February 1, 1995 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A precision operational amplifier has been developed for instrumentation applications in which the circuitry must operate in ambient temperatures as high as 200/spl deg/C. At 200/spl deg/C the amplifier maintains an input offset voltage and current of less...

A low offset fast settling rail-to-rail stable operational amplifier in 180 nm technology
2013 Edition, April 1, 2013 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This work presents the design of a modified two stage operational amplifier in 0.18 μm CMOS technology. The main objective of the design is to make a trade-off between offset voltage and power consumption while maintaining rail-to-rail output swing and high...

A low-offset dynamic comparator with area-efficient and low-power offset cancellation
2017 Edition, October 1, 2017 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A low-offset two-stage dynamic comparator has been proposed for parallel multi-channel processing. Low offset is achieved from two aspects: 1st-stage offset cancellation and 2nd-stage offset suppression. A fully dynamic offset...

A gm/ID Methodology Based Data-Driven Search Algorithm For the Design of Multi-Stage Multi-Path Feed-Forward-Compensated Amplifiers Targeting High Speed Continuous-Time ΣΔ-Modulators
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This work presents a methodology for sizing transistors of a multi-stage, multi-path capacitor-less feed-forward compensated operational amplifiers employed in advanced CMOS process implementation of continuous-time bandpass ΣΔ-modulators. The paper describes the...

Accurate and Fast Testing Technique of Operational Amplifier DC Offset Voltage in µV-Order by DC-AC Conversion
2019 Edition, September 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper describes an accurate and fast testing technique for small DC offset voltage of a high precision operational amplifier. Chopper techniques for DC-AC conversion and FFT spectrum analysis are combined and then accurate DC voltage measurement on the order...

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