Measurement Computing USB-2408 Series - Manual (Page 27)

USB-2408 Series User's Guide Specifications
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Parameter Conditions Specifications
Power on and reset state DACs cleared to zero-scale: 0 V,
±50 mV
Output noise 60 µV
rms
(BW=1.5 KHz)
Settling time To rated accuracy, 10 V step 75 µS
Slew rate 1.0 V/µs
Throughput Single-channel 1000 S/s max, system-dependent,
0.01 S/s min
Multi-channel 1000 S/s / #ch max, system-
dependent, 0.01 S/s min
Table 14. Calibrated absolute accuracy specifications
Range Accuracy (±LSB)
±10 V 16.0
Table 15. Calibrated absolute accuracy components specifications
Range % of reading Offset (±mV) Temp drift (%/°C) Absolute accuracy at FS (±mV)
±10 V ±0.0183 1.831 0.00055 3.661
Table 16. Relative accuracy specifications
Range Relative accuracy (±LSB)
±10 V 4.0 typ
Analog input/output calibration
Table 17. Analog input/output calibration specifications
Parameter Specifications
Recommended warm-up time 45 minutes min
Calibration Firmware calibration
Calibration interval 1 year
AI calibration reference +10.000 V, ±5 mV max. Actual measured values stored in EEPROM
Tempco: 5 ppm/°C max
Long term stability: 30 ppm/1000 hours
AO calibration procedure
(USB-2408-2AO only) The analog output pin is internally routed to the analog input pin.
AOUTx readback
(USB-2408-2AO only) Each AOUTx output can be independently measured by the onboard A/D converter.
Software-selectable