©
National Instruments Corporation
39
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
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