ZHCSIK6C November 2017 – November 2019 ADS8166 , ADS8167 , ADS8168
PRODUCTION DATA.
This register selects the margining to be added to or subtracted from the reference buffer output; see the Reference Buffer section.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
0 | 0 | 0 | REF_OFST[4:0] | ||||
R-0b | R-0b | R-0b | R/W-00000b |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7-5 | 0 | R | 000b | Reserved bits. Reads return 000b. |
4-0 | REF_OFST[4:0] | R/W | 00000b | These bits select the reference offset value as per Table 23. |
REF_OFST[4:0] | ΔVREFBUFOUT(1) | REF_OFST[4:0] | ΔVREFBUFOUT(1) | |
---|---|---|---|---|
00000b | 0 mV | 10000b | –4.5 mV | |
00001b | 280 µV | 10001b | –4.22 mV | |
00010b | 580 µV | 10010b | –3.94 mV | |
00011b | 840 µV | 10011b | –3.66 mV | |
00100b | 1.12 mV | 10100b | –3.38 mV | |
00101b | 1.4 mV | 10101b | –3.1 mV | |
00110b | 1.68 mV | 10110b | –2.82 mV | |
00111b | 1.96 mV | 10111b | –2.54 mV | |
01000b | 2.24 mV | 11000b | –2.26 mV | |
01001b | 2.52 mV | 11001b | –1.98 mV | |
01010b | 2.8 mV | 11010b | –1.70 mV | |
01011b | 3.08 mV | 11011b | –1.42 mV | |
01100b | 3.36 mV | 11100b | –1.14 mV | |
01101b | 3.64 mV | 11101b | –860 µV | |
01110b | 3.92 mV | 11110b | –580 µV | |
01111b | 4.2 mV | 11111b | –280 µV |