Highly linear voltage-to-time converter based on injection locked relaxation oscillators

Chabchoub, Emna; Badets, Franck; Masmoudi, Mohamed; Nouet, Pascal; Mailly, F.

doi:10.1109/ssd.2017.8167011

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Sensor Interface Principle Based On Voltage To Pulse Widt1

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Cited by 4 publications

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“…In this paper, we introduce an ILO having an extended linear range which is based on a relaxation oscillator and a non-harmonic injection scheme [ 20 ]. An ILO with an extended linear range offers the advantage of a good linear behaviour for the ILO-based PWM sensor interface.…”

Section: Sensor Interface Principle Based On Voltage To Pulse Widtmentioning

confidence: 99%

A Temperature-Hardened Sensor Interface with a 12-Bit Digital Output Using a Novel Pulse Width Modulation Technique

Chabchoub

Badets

Mailly

et al. 2018

Sensors

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A fully integrated sensor interface for a wide operational temperature range is presented. It translates the sensor signal into a pulse width modulated (PWM) signal that is then converted into a 12-bit digital output. The sensor interface is based on a pair of injection locked oscillators used to implement a differential time-domain architecture with low sensitivity to temperature variations. A prototype has been fabricated using a 180 nm partially depleted silicon-on-insulator (SOI) technology. Experimental results demonstrate a thermal stability as low as 65 ppm/°C over a large temperature range from −20 °C up to 220 °C.

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Section: Sensor Interface Principle Based On Voltage To Pulse Widtmentioning

confidence: 99%