Hello,
I have some questions regarding calibration of OPT3101 chip.
1. If I do Xtalk Illumination calibration, there is no need for Xtalk electrical calibration as this is included in illumination xtalk right?
2. XTALK_FILT_TIME_CONST has large impact on measured iPhase and qPhase in Calibration. If I program a smaller value to XTALK_FILT_TIME_CONST (calculated 4) than default (8) iPhase and qPhase can get so large that they can not be scaled down to 16bit anymore (as ILLUM_XTALK_REG_SCALE max is 7). Can I leave this value on default or is there any issues then?
3. There is only one ILLUM_XTALK_REG_SCALE register for ILLUM_DAC_L and ILLUM_DAC_H. So when using HDR mode I have to scale to fit the largest ILLUM_XTALK_REG_SCALE from HDR0 and HDR1 and have compromises in accuracy?
4. If I do offset calibration at a certain distance, it can happen that if an object come close to the sensor the phase value will go below 0 and jump to a high number. Is there any recommended way to prevent this? Add own offset or recalculate if it goes below 0?
Thanks
Regards
Urs