Datasheet

Data Sheet AD7190
Rev. C | Page 17 of 40
SINC
4
CHOP ENABLED
Table 10. RMS Noise (nV) vs. Gain and Output Data Rate
Filter Word
(Decimal)
Output Data
Rate (Hz)
Settling
Time (ms) Gain of 1 Gain of 8 Gain of 16 Gain of 32 Gain of 64 Gain of 128
1023 1.175 1702 177 27 15 8.5 7 6
640 1.875 1067 219 32 18 11.5 8.5 7.5
480 2.5 800 234 36 21 13 10 8.5
96 12.5 160 637 89 55 32 24 20
80 15 133 686 99 63 37 26 22
32 37.5 53 1033 152 89 53 39 34
16 75 26.7 1343 202 120 71 53 48
5 240 8.33 2121 340 198 124 99 86
2 600 3.33 3536 552 311 198 156 140
1 1200 1.67 10,200 1360 707 389 26 209
Table 11. Effective Resolution (Peak-to-Peak Resolution) vs. Gain and Output Data Rate
Filter Word
(Decimal)
Output Data
Rate (Hz)
Settling
Time (ms)
Gain of 1
1
Gain of 8
1
Gain of 16
1
Gain of 32
1
Gain of 64
1
Gain of 128
1
1023 1.175 1702 24 (23) 24 (22.5) 24 (22.5) 24 (22.5) 24 (21.5) 23.5 (21)
640 1.875 1067 24 (22.5) 24 (22.5) 24 (22.5) 24 (22) 24 (21.5) 23.5 (20.5)
480 2.5 800 24 (22.5) 24 (22.5) 24 (22) 24 (22) 24 (21) 23 (20.5)
96 12.5 160 24 (21) 24 (21) 23.5 (20.5) 23 (20.5) 22.5 (20) 22 (19)
80 15 133 24 (21) 23.5 (21) 23.5 (20.5) 23 (20.5) 22.5 (20) 22 (19)
32 37.5 53 23 (20.5) 23 (20) 23 (20) 22.5 (20) 22 (19) 21 (18.5)
16 75 26.7 23 (20) 22.5 (20) 22.5 (19.5) 22 (19.5) 21.5 (19) 20.5 (18)
5 240 8.33 22 (19.5) 22 (19) 21.5 (19) 21.5 (18.5) 20.5 (18) 20 (17)
2 600 3.33 21.5 (18.5) 21 (18.5) 21 (18) 20.5 (18) 20 (17) 19 (16.5)
1 1200 1.67 20 (17) 20 (17) 20 (17) 19.5 (17) 19 (16.5) 18.5 (16)
1
The output peak-to-peak (p-p) resolution is listed in parentheses.