Other Parts Discussed in Thread: OPT3001, OPT3004
Tool/software:
Hello,
I am in the process of evaluating the OPT4001 and just wanted to sanity check some math.
On the SOT-5x3 variant, for each exponent, there is 20-bits of resolution. For an exponent of 0, the LSb corresponds to 437.5ulx.
Now when it comes to thresholds, I am potentially confused. For a chosen exponent, there is only 12-bits of resolution. In the datasheet, it mentions that there needs to be 8-bits of padding to compare with the ADC_CODES from the measured incident light.
Does this mean that, for an exponent of 0, the LSb corresponds to (437.5uLx << 8 =) 112mlx when setting the thresholds? If that is the case, the OPT3001/OPT3004 had the ability to set thresholds of the same resolution as the result, thereby achieving a non-zero minimum threshold of 10mlx, and I am wondering why the threshold capabilities effectively got worse for light detection in low-light environment?
I am hoping to have misread, could you please confirm if I have?
All help is greatly appreciated!
