Figure 3. AI CMRR
|
130 |
|
|
|
|
|
120 |
|
|
|
|
|
110 |
|
|
|
|
(dB) |
100 |
|
|
|
|
90 |
|
|
|
|
|
CMRR |
80 |
|
|
|
|
70 |
|
|
|
|
|
|
|
|
|
|
|
|
60 |
10 V Range |
|
|
|
|
50 |
5 V Range |
|
|
|
|
0.1 V Range |
|
|
|
|
|
|
|
|
|
|
|
40 |
|
|
|
|
|
10 |
100 |
1 k |
10 k |
100 k |
Frequency (Hz)
AI Absolute Accuracy
Note Accuracies listed are valid for up to two years from the device external calibration.
Table 2. AI Absolute Accuracy
Nominal |
Nominal |
Residual |
Residual |
|
|
Absolute |
|
Range |
Range |
Gain |
Offset |
Offset |
|
Accuracy |
|
Positive |
Negative |
Error |
Error |
Tempco |
Random |
at Full |
|
Full |
Full |
(ppm of |
(ppm of |
(ppm of |
Noise, σ |
Scale |
Sensitivity |
Scale |
Scale |
Reading) |
Range) |
Range/°C) |
(μVrms) |
(μV) |
(μV) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10 |
-10 |
60 |
20 |
21 |
280 |
1,920 |
112.0 |
|
|
|
|
|
|
|
|
5 |
-5 |
70 |
20 |
21 |
140 |
1,010 |
56.0 |
|
|
|
|
|
|
|
|
2 |
-2 |
70 |
20 |
24 |
57 |
410 |
22.8 |
|
|
|
|
|
|
|
|
1 |
-1 |
80 |
20 |
27 |
32 |
220 |
12.8 |
|
|
|
|
|
|
|
|
0.5 |
-0.5 |
90 |
40 |
34 |
21 |
130 |
8.4 |
|
|
|
|
|
|
|
|
0.2 |
-0.2 |
130 |
80 |
55 |
16 |
74 |
6.4 |
|
|
|
|
|
|
|
|
0.1 |
-0.1 |
150 |
150 |
90 |
15 |
52 |
6.0 |
|
|
|
|
|
|
|
|
4 | ni.com | NI 6259 Device Specifications