| IP개요 |
A short-range LiDAR sensor analog front-end (AFE) chipset is for the elder-care applications by utilizing a 180-nm CMOS technology. Each channel of an 8x8 read-out IC (ROIC) as a receiver consists of a spatially modulated P+/N-well avalanche photodiode, amplitude-to-voltage (A2V) converter, and time-to-voltage (T2V) converter, respectively. Post-layout simulations reveal that the analog A2V converter enables to recover the input currents of 5 ~ 500 uApp with an almost linear step with the aid of gain control scheme, while the T2V converter can restore 50 uApp ~ 1.1 mApp input currents. The whole 8x8 ROIC array dissipates 262 mW from a single 1.8-V supply and occupies the area of 2.1 x 2.0 mm2 including I/O pads. |
