SBAS778B June 2017 – August 2019 ADS1287
PRODUCTION DATA.
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
BIAS | RESERVED | MUX[1:0] | CHOP | PGA[2:0] | |||
R/W-0h | R/W-0h | R/W-0h | R/W-1h | R/W-0h |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7 | BIAS | R/W | 0h | ADC bias.
Always write 1 to this bit. 0: Bias disabled (default) 1: Bias enabled (always write 1) |
6 | RESERVED | R/W | 0h | Reserved.
Always write 0. |
5:4 | MUX[1:0] | R/W | 0h | Input MUX select bits.
00: External input (default) 01: Reserved 10: Internal input short connection to VCOM 11: Reserved |
3 | CHOP | R/W | 1h | Chop enable bit.
See the Chop Mode section. 0: Chop disabled 1: Chop enabled (default) |
2:0 | PGA[2:0] | R/W | 0h | PGA gain select bits.
000: Gain = 1 V/V (default) 001: Gain = 2 V/V 010: Gain = 4 V/V 011: Gain = 8 V/V 100: Gain = 16 V/V 101–111: Reserved |