U2781A Datasheet, PDF (32/76 Pages) Keysight Technologies – USB Modular Products

DC characteristics
Accuracy specifications¹
Model
Unipolar range (V)
10
5
2.5
1.25
Bipolar range (V)
10
5
2.5
1.25
Model
Unipolar range (V)
10
5
2.5
1.25
Bipolar range (V)
10
5
2.5
1.25
Model
Offset error (mV)²
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Offset error (mV)²
2.0
1.5
1.0
1.0
2.0
1.5
1.0
1.0
Unipolar range (V)
10
Bipolar range (V)
10
Model
Unipolar range (V)
10
Bipolar range (V)
10
Offset error (mV)²
1.0
1.0
Offset error (mV)²
1.0
1.0
U2541A, U2542A
Analog input
Gain error (mV)
1.0
1.0
1.0
1.0
2.0
1.0
1.0
1.0
U2531A
Gain error (mV)
3.0
1.5
1.0
1.0
6.0
3.0
2.0
1.0
U2541A, U2542A
Analog output
Gain error (mV)
2.0
2.0
U2531A
Gain error (mV)
3.0
3.0
Accuracy (% of reading + offset error)³
0.02% + 1.0 mV
0.04% + 1.0 mV
0.08% + 1.0 mV
0.16% + 1.0 mV
0.02% + 1.0 mV
0.02% + 1.0 mV
0.04% + 1.0 mV
0.08% + 1.0 mV
Accuracy (% of reading + offset error)³
0.06% + 2.0 mV
0.06% + 1.5 mV
0.08% + 1.0 mV
0.16% + 1.0 mV
0.06% + 2.0 mV
0.06% + 1.5 mV
0.08% + 1.0 mV
0.08% + 1.0 mV
Accuracy (% of reading + offset error)⁴
0.02% + 1.0 mV
0.02% + 1.0 mV
Accuracy (% of reading + offset error)⁴
0.03% + 1.0 mV
0.03% + 1.0 mV
1 _{Specifications are based on 20 minutes warm-up, and self-calibration temperature at 23 °C.}
2 _{Offset error is measured at 0 V.}
3 _{Accuracy = ± [% of Gain error/(Measured value – Midscale) + Offset error]}
4 _{Accuracy = ± (% of Gain error/Output value + Offset error)}
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