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USB-1208FS User's Guide
Range
±20 V
±10 V
±5 V
±4 V
±2.5 V
±2 V
±1.25 V
±1 V
Range
±10 V
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
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
Accuracy (LSB)
5.1
6.1
8.1
9.1
12.1
14.1
20.1
24.1
Table 3. Accuracy, single-ended mode
Accuracy (LSB)
4.0
Gain Error at full scale (FS)
(millivolts (mV))
40
20
10
8
5
4
2.5
2
Gain Error at FS (mV)
20
Table 6. Noise performance, differential mode
Least significant bit
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
21
Offset (mV)
9.766
9.766
9.766
9.766
9.766
9.766
9.766
9.766
Offset (mV)
19.531
(LSB
root mean square
rms)
Specifications
Accuracy at FS (mV)
49.766
29.766
19.766
17.766
14.766
13.766
12.266
11.766
Accuracy at FS (mV)
39.531
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