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National Instruments Corporation
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NI sbRIO-961x/9612XT/963x/9632XT/964x/9642XT
Analog Input
All voltages are relative to AI GND unless otherwise noted.
Number of channels ............................... 32 single-ended or
16 differential analog input
channels
ADC resolution ...................................... 16 bits
Differential nonlinearity......................... No missing codes guaranteed
Integrated nonlinearity ........................... Refer to the
AI Absolute Accuracy
Tables and Formulas
Conversion time ..................................... 4.00
μ
s (250 kS/s)
Input coupling ........................................ DC
Nominal input ranges ............................. ±10 V, ±5 V, ±1 V, ±0.2 V
Minimum overrange
(for 10 V range)...................................... 4%
Maximum working voltage for analog inputs
( common mode) ....................... Each channel must remain within
±10.4 V of common
Input impedance (AI-to-AI GND)
Powered on ..................................... >10 G
Ω
in parallel with 100 pF
Powered off/overload...................... 1.2 k
Ω
min
Input bias current ................................... ±100 pA
Crosstalk (at 100 kHz)
Adjacent channels ........................... –65 dB
Non-adjacent channels .................... –70 dB
Small-signal bandwidth.......................... 700 kHz
Overvoltage protection
AI channel (0 to 31) ........................ ±24 V (one channel only)
AISENSE ........................................ ±24 V
CMRR (DC to 60 Hz) ............................ 92 dB
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