Not Recommended for New Designs
The ADPD105/ADPD106/ADPD107 are highly efficient,
photometric front ends, each with an integrated 14-bit analog-to-digital
converter (ADC) and a 20-bit...
ADPD105 on Analog.com
I'll ask you about the theory system of data seat mentioning.
Noise is equalized by the rms level, so don't you need 1/2?