A Low-Power Optoelectronic Receiver IC for Short-Range LiDAR Sensors in 180 nm CMOS
Shinhae Choi,
Yeojin Chon,
Sung Min Park
Abstract:This paper presents a novel power-efficient topology for receivers in short-range LiDAR sensors. Conventionally, LiDAR sensors exploit complex time-to-digital converters (TDCs) for time-of-flight (ToF) distance measurements, thereby frequently leading to intricate circuit designs and persistent walk error issues. However, this work features a fully differential trans-impedance amplifier with on-chip avalanche photodiodes as optical detectors so that the need of the following post-amplifiers and output buffers … Show more
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