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USB-1208FS-Plus User's Guide
Accuracy
Range
Accuracy (LSB)
±20 V
5.1
±10 V
6.1
±5 V
8.1
±4 V
9.1
±2.5 V
12.1
±2 V
14.1
±1.25 V
20.1
±1 V
24.1
Range
Accuracy (LSB)
±10 V
4.0
Table 4. Accuracy components, differential mode – all values are (±)
Range
% of Reading
±20 V
0.2
±10 V
0.2
±5 V
0.2
±4 V
0.2
±2.5 V
0.2
±2 V
0.2
±1.25 V
0.2
±1 V
0.2
Table 5. Accuracy components, single-ended mode – all values are (±)
Range
% of Reading
±10 V
0.2
Noise performance
Range
Typical counts
±20 V
2
±10 V
2
±5 V
3
±4 V
3
±2.5 V
4
±2 V
5
±1.25 V
7
±1 V
8
Range
Typical counts
±10 V
2
Table 2. Accuracy, differential mode
Table 3. Accuracy, single-ended mode
Gain Error at FS (mV)
40
20
10
8
5
4
2.5
2
Gain Error at FS (mV)
20
Table 6. Noise performance, differential mode
LSB
rms
0.30
0.30
0.45
0.45
0.61
0.76
1.06
1.21
Table 7. Noise performance, single-ended mode
LSB
rms
0.30
22
Offset (mV)
Accuracy at FS (mV)
9.766
49.766
9.766
29.766
9.766
19.766
9.766
17.766
9.766
14.766
9.766
13.766
9.766
12.266
9.766
11.766
Offset (mV)
Accuracy at FS (mV)
19.531
39.531
Specifications
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