OptionaldataThe data-rate code, 0..=7, from 8 to 860 samples per second.
OptionalmuxThe input multiplexer code, 0..=7: 0..=3 a differential pair, 4..=7 one input
against ground.
OptionalpgaThe gain code, 0..=7, which sets the full-scale range.
How an ADS1115 driver converts. A field left out keeps the part's reset setting: AIN0 against AIN1, the 2.048 V range, and 128 samples per second.