NI USB-9233 User Guide and Specifications 14 ni.com
Specifications
The following specifications are typical for the range 0 to 60 °C
unless otherwise noted.
Input Characteristics
Number of channels................................4 analog input channels
ADC resolution.......................................24 bits
Type of ADC ..........................................Delta-sigma (with analog
prefiltering)
Data rates (fs) available for the internal clock source (kS/s)
1
:
Master timebase (internal)
Frequency ........................................12.8 MHz
Accuracy..........................................±100 ppm max
Input coupling.........................................AC
AC cutoff frequency
–3 dB ...............................................0.5 Hz typ
–0.1 dB ............................................4.2 Hz max
2.000 2.381 2.941 3.846 5.556 10.000 33.333
2.083 2.500 3.125 4.167 6.250 12.500 50.000
2.174 2.632 3.333 4.545 7.143 16.667
2.273 2.778 3.571 5.000 8.333 25.000
1
Full performance requires the use of a USB 2.0 Hi-Speed host controller and USB 2.0 hubs.
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