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IP명 Temperature Sensor Analog Front-End with Low-Noise Chopper-Stabilized Delta-Sigma Converter
Category Analog Application 연구
실설계면적 3.8㎛ X 3.8㎛ 공급 전압 3.3V
IP유형 Hard IP 동작속도 10MHz
검증단계 Silicon 참여공정 MS180-1902
IP개요 This paper proposes a reconfigurable sensor analog front-end using low noise chopper-stabilized delta-sigma capacitance-to-digital converter (CDC) for capacitive microsensors and temperature measurement. The proposed reconfigurable sensor analog front-end can drive both capacitive microsensors and voltage signals by direct conversion without a front-end amplifier. The reconfigurable scheme of the front end can be implemented in various multi-mode applications, where it is equipped with a fully integrated temperature sensor. A chopper stabilization technique is implemented here to achieve a low-noise characteristic by reducing unexpected low-frequency noises such as offsets and flicker noise.
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