A 3.5MHz-BW 128nT<sub>rms</sub> Resolution TMR Readout Using Ping-Pong Auto-Zeroing and SAR-Assisted Offset Calibration for Contactless Current Sensing-Reference-Cited by-同舟云学术

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A 3.5MHz-BW 128nT_rms Resolution TMR Readout Using Ping-Pong Auto-Zeroing and SAR-Assisted Offset Calibration for Contactless Current Sensing

Published:2023-09-11 Issue: Volume: Page:
ISSN:
Container-title:ESSCIRC 2023- IEEE 49th European Solid State Circuits Conference (ESSCIRC)
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Author:

Dong Tian¹,Qu Tianxiang¹,Qin Wenhui²,Pan Yaohua²,Sheng Yun²,Hong Zhiliang¹,Xu Jiawei¹

Affiliation:

1. Fudan University,State Key Laboratory of Integrated Chips and Systems,Shanghai,China

2. Novosense Microelectronics,Suzhou,China

Publisher

IEEE

Link

http://xplorestaging.ieee.org/ielx7/10268677/10268683/10268778.pdf?arnumber=10268778

Reference8 articles.

1. Circuit techniques for reducing the effects of op-amp imperfections: autozeroing, correlated double sampling, and chopper stabilization

2. A 140 dB-CMRR Current-Feedback Instrumentation Amplifier Employing Ping-Pong Auto-Zeroing and Chopping

3. A 200 kS/s 13.5b Integrated-Fluxgate DifferentialMagnetic-to-Digital Converter with an Oversampling Compensation Loop for Contactless Current Sensing;kashmiri;ISSCC Digest,2015

4. A 25A Hybrid Magnetic Current Sensor with 64 mA Resolution, 1.8 MHz Bandwidth, and a Gain Drift Compensation Scheme;jouyaeian;ISSCC Digest,2021

5. Energy-efficient bridge-to-digital converters

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1. A Modulation Method for Tunnel Magnetoresistance Current Sensors Noise Suppression;Micromachines;2024-03-01

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