SBAS707B June 2016 – January 2018 ADS8910B , ADS8912B , ADS8914B
PRODUCTION DATA.
This register selects the external reference range for optimal offset calibration.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
0 | 0 | 0 | 0 | 0 | REF_SEL[2:0] | ||
R-0b | R-0b | R-0b | R-0b | R-0b | R/W-000b |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7-3 | 0 | R | 00000b | Reserved bits. Reads return 00000b. |
2-0 | REF_SEL[2:0] | R/W | 000b | These bits select the external reference range for optimal offset. 000b = Optimum offset calibration for VREF = 5.0 V 001b = Optimum offset calibration for VREF = 4.5 V 010b = Optimum offset calibration for VREF = 4.096 V 011b = Optimum offset calibration for VREF = 3.3 V 100b = Optimum offset calibration for VREF = 3.0 V 101b = Optimum offset calibration for VREF = 2.5 V 110b = Optimum offset calibration for VREF = 5.0 V 111b = Optimum offset calibration for VREF = 5.0 V |