NI USB-9234 User Guide and Specifications 16 ni.com
Specifications
The following specifications are typical for the range 0to 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)
Sampling mode.......................................Simultaneous
Type of TEDS supported........................IEEE.1451.4 TEDS Class I
(interface)
Internal master timebase (fM)
Frequency........................................13.1072 MHz
Accuracy..........................................±50 ppm max
Data rate range (fs) using internal master timebase
Minimum.........................................1.652 kS/s
Maximum........................................51.2 kS/s
Data rate range (fs) using external master timebase
Minimum.........................................0.391 kS/s
Maximum........................................52.734 kS/s
Data rates (fs).......................................... , n = 1, 2, …, 31
Input coupling.........................................AC/DC (software-selectable)
AC cutoff frequency
–3 dB...............................................0.5 Hz typ
–0.1 dB............................................4.6 Hz max
f
M256÷
n
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