National Instruments NI 9233 User Manual

Page of 34
© National Instruments Corp.
17
NI 9233 Operating Instructions and Specifications
Specifications
The following specifications are typical for the range –40 to 70 °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)
Sampling mode ................................. Simultaneous
Internal master timebase (f
M
)
Frequency ................................... 12.8 MHz
Accuracy..................................... ±100 ppm max
Data rate range (f
s
) using internal master timebase
Minimum.................................... 2.0 kS/s
Maximum ................................... 50 kS/s
Data rate range (f
s
) using external master timebase
Minimum.................................... 2.0 kS/s
Maximum ................................... 51.3 kS/s