U2781A Datasheet, PDF (23/76 Pages) Keysight Technologies – USB Modular Products

DC Characteristics
Accuracy Specifications
Model Number
Unipolar Range (V)
10
5
2.5
1.25
Bipolar Range (V)
10
5
2.5
1.25
U2351A, U2352A, U2353A, U2354A
Analog Input
Offset Error (mV)¹
Gain Error (mV)
1.5
2.0
1.5
2.0
1.0
1.0
1.0
1.0
Offset Error (mV)¹
Gain Error (mV)
1.0
2.0
1.0
2.0
1.0
1.5
1.0
1.5
Accuracy (% of reading + offset error)²
0.04% + 1.5 mV
0.08% + 1.5 mV
0.08% + 1.0 mV
0.16% + 1.0 mV
Accuracy (% of reading + offset error)²
0.02% + 1.0 mV
0.04% + 1.0 mV
0.06% + 1.0 mV
0.12% + 1.0 mV
Model Number
Unipolar Range (V)
10
5
2.5
1.25
Bipolar Range (V)
10
5
2.5
1.25
Offset Error (mV)¹
1.0
1.0
1.0
1.0
Offset Error (mV)¹
1.0
1.0
1.0
1.0
U2355A, U2356A
Gain Error (mV)
1.5
1.5
1.0
1.0
Gain Error (mV)
2.0
2.0
1.5
1.5
Accuracy (% of reading + offset error)²
0.03% + 1.0 mV
0.06% + 1.0 mV
0.08% + 1.0 mV
0.16% + 1.0 mV
Accuracy (% of reading + offset error)²
0.02% + 1.0 mV
0.04% + 1.0 mV
0.06% + 1.0 mV
0.12% + 1.0 mV
Model
Unipolar Range (V)
10
5
4
2.5
2
1
0.5
0.4
0.1
Offset Error (mV)¹
1.5
1.5
1.5
1.0
1.0
1.0
1.0
1.0
1.0
U2331A
Gain Error (mV)
4.0
2.0
2.0
1.5
1.0
1.0
1.0
1.0
1.0
–– The above specifications are typical for 23 °C.
–– Specifications are for 20 minutes warm-up and self calibration.
–– The measurement are calculated with 100 points avearaging of data.
Accuracy (% of reading + offset error)²
0.08% + 1.5 mV
0.08% + 1.5 mV
0.10% + 1.5 mV
0.12% + 1.0 mV
0.10% + 1.0 mV
0.20% + 1.0 mV
0.41% + 1.0 mV
0.51% + 1.0 mV
2.04% + 1.0 mV
1 _{Offset error is measured at midscale of full range.}
2 _{Accuracy = ± [% of |(Gain error / (Measured value – Midscale of FSR))| + Offset error]}
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