SBAS661C February 2015 – May 2021 ADS1262 , ADS1263
PRODUCTION DATA
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
DR2[1:0] | REF2[2:0] | GAIN2[2:0] | |||||
R/W-0h | R/W-0h | R/W-0h |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
7:6 | DR2[1:0] | R/W | 0h | ADC2 Data Rate These bits select the data rate of ADC2 00: 10 SPS (default) 01: 100 SPS 10: 400 SPS 11: 800 SPS |
5:3 | REF2[2:0] | R/W | 0h | ADC2 Reference Input Selects the reference inputs of ADC2 as positive and negative pairs 000: Internal 2.5 V reference, positive and negative (default) 001: External AIN0 and AIN1 pin pairs as positive and negative 010: External AIN2 and AIN3 pin pairs as positive and negative 011: External AIN4 and AIN5 pin pairs as positive and negative 100: Internal VAVDD and VAVSS 101: Reserved 110: Reserved 111: Reserved |
2:0 | GAIN2[2:0] | R/W | 0h | ADC2 Gain These bits configure the gain of ADC2 000: 1 V/V (default) 001: 2 V/V 010: 4 V/V 011: 8 V/V 100: 16 V/V 101: 32 V/V 110: 64 V/V 111: 128 V/V |