Measurement Computing USB-3110 - Manual (Page 19)

USB-3110 User's Guide Specifications
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Note 3: The maximum differential non-linearity specification applies to the entire 0 to 50 °C temperature
range of the USB-3110. This specification also accounts for the maximum errors due to the
software calibration algorithm (in Calibrated mode only) and the DAC8554 digital to analog
converter non-linearities.
Note 4: The USB-3110 voltage outputs should not be kept in a short-circuit condition for longer than the
specified limit of 100 ms. For those applications that may potentially exceed the 40 mA
maximum current limit or the 100 ms short-circuit condition, external current limiting must be
used to prevent potential damage to the USB-3110.
Table 2. Absolute accuracy specifications – calibrated output, VOUTx Rload = 20 mA fixed resistive load
Range Accuracy (±LSB)
±10 V 14.0
0 to 10 V 22.0
Table 3. Absolute accuracy components specifications – calibrated output
Range % of reading Offset (±mV) Temp drift (%/°C) Absolute accuracy at FS (±mV)
±10 V ±0.0183 1.831 0.00055 3.661
0 to 10 V ±0.0183 0.915 0.00055 2.746
Table 4. Relative accuracy specifications
Range Relative accuracy (±LSB)
±10 V , 0 to 10 V 4.0 typ. 12.0 max.
Analog output calibration
Table 5. Analog output calibration specifications
Parameter Conditions Specifications
Recommended warm-up time 15 minutes min.
On-board precision reference DC level: 5.000 V ±1 mV max.
Tempco: ±10 ppm/°C max.
Long term stability: ±10 ppm/SQRT(1000 hrs)
Calibration method Voutx Rload = 20 mA fixed
resistive load Software calibration
Calibration interval 1 year