National Instruments NI 9683, User Manual And Specifications

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NI 9683 User Guide and Specifications | © National Instruments | 17
Specifications
The following specifications are typical for the full operating temperature range unless otherwise
noted. Refer to the
Environmental section for more information on operating temperatures.
Simultaneous Analog Input
Number of channels.......................................... 16
ADC resolution................................................. 12 bits
Input range
Typical ...................................................... ±5 V, ±10 V
Minimum .................................................. ±4.95 V, ±9.90 V
Common-mode range ....................................... ±10 V
Sample rate (per channel) ................................. 100 kS/s max
Accuracy
Stability
Gain drift................................................... 15 ppm/°C
Offset drift ................................................ 15 µV/°C
Noise................................................................. 1.5 mV
rms
-3 dB bandwidth ............................................... 210 kHz
CMRR ( f
in
= 60 Hz).......................................... 60 dB min
Input impedance
Differential................................................ 240 k Ω
Single-ended ............................................. 120 k Ω
Overvoltage protection ..................................... ±30 V max
Nominal
Range (V) Measurement Conditions
*
Percent of
Reading
(Gain Error)
Percent of
Range
(Offset Error)
†
±5 Maximum (-40 °C to 85 °C) 0.70% 0.28%
Typical (23 ° ±5 °C) 0.25% 0.12%
±10 Maximum (-40 °C to 85 °C) 0.70% 0.16%
Typical (23 ° ±5 °C) 0.25% 0.07%
AbsoluteAccuracy = Reading(GainError) + Range(OffsetError) + Noise
* Local ambient temperature. Refer to the
Environmental section for more information about operating
temperatures.
†
Offset error includes the effect of INL
.