SBASAQ6 April 2024 ADS9813
ADVANCE INFORMATION
The ADS9813 outputs 18 bits of conversion data in either straight-binary or binary two's-complement formats. The format for the output codes is the same across all analog channels. Select the format for the output codes with the DATA_FORMAT register bits. Figure 6-3 and Table 6-5 show the transfer characteristics for the ADS9813. The LSB size depends on the analog input range selected.
RANGE | +FS | MIDSCALE | –FS | LSB |
---|---|---|---|---|
±2.5V | 2.5V | 0V | –2.5V | 19.07µV |
±3.5V | 3.5V | 0V | –3.5V | 26.70µV |
±5V | 5V | 0V | –5V | 38.15µV |
±7V | 7V | 0V | –7V | 53.41µV |
±10V | 10V | 0V | –10V | 76.29µV |
±12V | 12V | 0V | –12V | 91.55µV |