Datasheet

AD7195
Rev. 0 | Page 14 of 44
SINC
3
CHOP DISABLED
Table 9. 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 4.7 639.4 290 125 53 24 10.5 9
640 7.5 400 470 135 56 29 13 11.5
480 10 300 610 145 58 32 16 12.5
96 50 60 1100 160 86 50 35 29
80 60 50 1200 170 95 55 40 32
32 150 20 1500 230 130 80 58 50
16 300 10 1950 308 175 110 83 73
5 960 3.13 4000 590 330 200 150 133
2 2400 1.25 56,600 7000 3500 1800 900 490
1 4800 0.625 442,000 55,000 28,000 14,000 7000 3450
Table 10. Peak-to-Peak 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 4.7 639.4 1700 750 260 140 65 56
640 7.5 400 2400 800 340 150 84 60
480 10 300 3000 900 360 200 100 70
96 50 60 6600 1000 480 290 200 180
80 60 50 6800 1100 600 300 240 200
32 150 20 8900 1400 710 470 360 310
16 300 10 13,000 2000 1000 670 470 500
5 960 3.13 25,000 3400 2200 1200 850 800
2 2400 1.25 310,000 41,000 22,000 12,000 5600 3100
1 4800 0.625 2,600,000 300,000 170,000 79,000 41,000 24,000
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 4.7 639.4 24 (22.5) 23.5 (21) 23.5 (21) 23.5 (21) 23.5 (21) 23 (20.4)
640 7.5 400 24 (22) 23.3 (20.8) 23.3 (20.8) 23.3 (20.8) 23.3 (20.8) 22.7 (20.3)
480 10 300 24 (22) 23.2 (20.5) 23.2 (20.5) 23.2 (20.5) 23.2 (20.5) 22.6 (20.1)
96 50 60 23.1 (20.5) 22.9 (20.3) 22.8 (20.3) 22.6 (20) 22.1 (19.6) 21.4 (18.7)
80 60 50 23 (20.5) 22.8 (20.1) 22.6 (20) 22.4 (20) 21.9 (19.3) 21.2 (18.6)
32 150 20 22.7 (20) 22.4 (19.8) 22.2 (19.7) 21.9 (19.3) 21.4 (18.7) 20.6 (17.9)
16 300 10 22.3 (19.5) 22 (19.3) 21.8 (19.3) 21.4 (18.8) 20.8 (18.3) 20 (17.3)
5 960 3.13 21.3 (18.5) 21 (18.5) 20.9 (18.1) 20.6 (18) 20 (17.5) 19.2 (16.6)
2 2400 1.25 17.4 (14.9) 17.4 (14.9) 17.4 (14.8) 17.4 (14.7) 17.4 (14.7) 17.3 (14.6)
1 4800 0.625 14.5 (11.9) 14.5 (11.9) 14.4 (11.8) 14.4 (11.8) 14.4 (11.8) 14.4 (11.7)
1
The output peak-to-peak (p-p) resolution is listed in parentheses.