Datasheet

AD7192
Rev. A | Page 17 of 40
SINC
3
CHOP ENABLED
Table 12. 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 1.56 1282 248 37 22 13 11 9
640 2.5 800 312 44 26 16 13 11
480 3.33 600 354 62 32 19 14 13
96 16.6 120 1415 181 95 52 34 26
80 20 100 1485 194 99 55 35 29
40 40 50 1698 223 119 68 47 39
32 50 40 1768 237 131 75 52 44
16 100 20 2193 301 167 97 71 61
5 320 6.25 3748 527 294 177 128 111
2 800 2.5 39500 5020 2546 1240 644 354
1 1600 1.25 315,400 39,200 19,800 9900 4950 2500
Table 13. 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 1.56 1282 24 (22.5) 24 (22.5) 24 (22) 24 (22) 23.5 (21) 23 (20.5)
640 2.5 800 24 (22) 24 (22) 24 (22) 24 (21.5) 23.5 (21) 22.5 (20)
480 3.33 600 24 (22) 24 (21.5) 24 (21.5) 24 (21.5) 23 (20.5) 22.5 (20)
96 16.6 120 22.5 (20) 22.5 (20) 22.5 (20) 22.5 (20) 22 (19.5) 21.5 (19)
80 20 100 22.5 (20) 22.5 (20) 22.5 (20) 22 (19.5) 22 (19.5) 21 (18.5)
40 40 50 22.5 (20) 22 (19.5) 22 (19.5) 22 (19.5) 21.5 (19) 20.5 (18)
32 320 40 22 (19.5) 22 (19.5) 22 (19.5) 22 (19.5) 21.5 (19) 20.5 (18)
16 100 20 22(19.5) 22 (19.5) 21.5 (19) 21.5 (19) 21 (18.5) 20 (17.5)
5 320 6.25 21 (18.5) 20.5 (18) 20.5 (18) 20 (17.5) 19.5 (17) 18.5 (16)
2 800 2.5 17.5 (15) 17.5 (15) 17.5 (15) 17.5 (15) 17.5 (15) 17.5 (15)
1 1600 1.25 14.5 (12) 14.5 (12) 14.5 (12) 14.5 (12) 14.5 (12) 14.5 (12)
1
The output peak-to-peak (p-p) resolution is listed in parentheses.