© National Instruments Corporation 41 NI sbRIO-961x/9612XT/963x/9632XT/964x/9642XT
Settling time for multichannel measurements, accuracy, all ranges
±120 ppm of full-scale step
(±8 LSB) ......................................... 4 μs convert interval,
5.5 μs (from 50 to 85 °C)
±30 ppm of full-scale step
(±2 LSB) ......................................... 8 μs convert interval
Analog triggers
Number of triggers.......................... 1
Resolution ....................................... 10 bits, 1 in 1,024
Bandwidth (–3 dB).......................... 700 kHz
Accuracy ......................................... ±1% of full scale
Scaling coefficients
AI Absolute Accuracy Tables and Formulas
The values in the following tables are based on calibrated scaling
coefficients, which are stored in an onboard EEPROM. Values are valid for
a two-year period between external calibrations.
Accuracy summary
Nominal Range (V)
Typical Scaling
Coefficient (μV/LSB)
±10 324.5
±5 162.2
±1 32.45
±0.2 6.49
Nominal
Range
(V)
Absolute Accuracy at
Full Scale, within 5 °C
of Last Internal
Calibration (μV)
Absolute Accuracy
at Full Scale,
–20 to 55 °C (mV)
(XT Devices Only)
Absolute Accuracy
at Full Scale,
–40 to 85 °C (mV)
Random
Noise,
σ (μVrms)
Sensitivity
*
(μV)
±10 7,820 36.6 52.0 244 97.6
±5 3,990 18.6 26.4 122 48.8
±1 870 4.27 6.07 30 12.0
±0.2 244 1.37 1.96 16 5.2
*
Sensitivity is the smallest voltage change that can be detected. It is a function of noise.
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