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A 20ch TDC/ADC hybrid SoC for 240×96-pixel 10%-reflection <0.125%-precision 200m-range imaging LiDAR with smart accumulation technique

A 20ch TDC/ADC hybrid SoC for 240×96-pixel 10%-reflection <0.125%-precision 200m-range imaging LiDAR with smart accumulation technique

The unique structure of Toshiba’s new ADC circuit which realizes a small circuit size and low-power consumption enables realization of long distance measurement.

The new technique solves the problem of conventional signal processing by determining whether the reflected signals of multiple lasers are from the same or different objects, therefore the image becomes ‘sharpened’ and the LiDAR image resolution significantly improves. The combination of the hybrid circuit and the smart averaging technique makes it possible to push the LiDAR sensor range to 200m and simultaneously enables the detection of small objects.

K. Yoshioka et al., "A 20ch TDC/ADC hybrid SoC for 240×96-pixel 10%-reflection <0.125%-precision 200m-range imaging LiDAR with smart accumulation technique," 2018 IEEE International Solid - State Circuits Conference - (ISSCC), San Francisco, CA, 2018, pp. 92-94.
doi: 10.1109/ISSCC.2018.8310199

Ⓒ2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including new collective works, for resale or redistribution to servers or lists, or reuse of any coyrighted component of this work in other works. And published article is uploaded in IEEE Xplore (https://ieeexplore.ieee.org/document/8310199/)

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