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4
SINC
CHOP ENABLED
Table 12. RMS Noise (nV) vs. Gain and Output Data Rate
Filter Word
Output Data
(Decimal)
Rate (Hz)
1023
1.175
640
1.875
480
2.5
96
12.5
80
15
32
37.5
16
75
5
240
2
600
1
1200
Table 13. Peak-to-Peak Noise (nV) vs. Gain and Output Data Rate
Filter Word
Output Data
(Decimal)
Rate (Hz)
1023
1.175
640
1.875
480
2.5
96
12.5
80
15
32
37.5
16
75
5
240
2
600
1
1200
Table 14. Effective Resolution (Peak-to-Peak Resolution) vs. Gain and Output Data Rate
Filter Word
Output Data
(Decimal)
Rate (Hz)
1023
1.175
640
1.875
480
2.5
96
12.5
80
15
32
37.5
16
75
5
240
2
600
1
1200
1
The output peak-to-peak (p-p) resolution is listed in parentheses.
When ac excitation is enabled, the rms noise and resolution is the same as for chop enabled mode.
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Settling
Time (ms)
Gain of 1
Gain of 8
1702
198
85
1067
276
92
800
332
99
160
707
127
133
778
141
53.3
990
156
26.7
1344
191
8.33
2192
325
3.33
3606
523
1.67
9900
1345
Settling
Time (ms)
Gain of 1
Gain of 8
1702
1131
474
1067
1556
495
800
2121
530
160
4243
707
133
5091
849
53.3
5870
1061
26.7
7780
1202
8.33
14,142
2121
3.33
22,627
3606
1.67
60,800
9192
Settling
Time (ms)
Gain of 1
1
Gain of 8
1702
24 (23.1)
24 (21.8)
1067
24 (22.6)
23.9 (21.4)
800
24 (22.2)
23.8 (21.3)
160
23.8 (21.2)
23.5 (20.9)
133
23.6 (20.9)
23.3 (20.6)
53.3
23.2 (20.7)
22.9 (20.2)
26.7
22.8 (20.3)
22.6 (20)
8.33
22.2 (19.4)
21.8 (19.2)
3.33
21.4 (18.8)
21.1 (18.4)
1.67
19.9 (17.3)
19.8 (17.1)
Rev. 0 | Page 15 of 44
Gain of 16
Gain of 32
41
18
45
22
46
23
61
34
62
35
85
51
106
67
184
120
297
191
680
368
Gain of 16
Gain of 32
212
92
248
106
255
134
368
198
424
212
530
290
707
424
1273
778
1980
1202
4950
2475
1
Gain of 16
1
Gain of 32
24 (21.8)
24 (21.7)
23.9 (21.4)
23.9 (21.4)
23.8 (21.3)
23.8 (21.3)
23.4 (20.9)
23.2 (20.6)
23.3 (20.5)
23 (20.5)
22.8 (20.2)
22.5 (20)
22.3 (19.8)
22.1 (19.5)
21.6 (18.9)
21.3 (18.6)
20.9 (18.2)
20.6 (18)
19.8 (16.9)
19.6 (16.9)
AD7195
Gain of 64
Gain of 128
7
6
8.5
7
10
8
23
18
24
21
38
33
51
45
92
78
148
134
248
200
Gain of 64
Gain of 128
46
40
57
46
71
50
127
120
156
134
240
219
311
304
573
502
990
850
1697
1345
1
Gain of 64
1
Gain of 128
24 (21.7)
23.6 (20.9)
23.9 (21.4)
23.3 (20.7)
23.8 (21.1)
23.2 (20.6)
22.7 (20.2)
21.9 (19.3)
22.6 (19.9)
21.8 (19.1)
22 (19.3)
21.1 (18.4)
21.5 (18.9)
20.6 (18)
20.7 (18.1)
19.8 (17.2)
20 (17.3)
19.1 (16.5)
19.3 (16.5)
18.5 (15.8)
1
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