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Specifications
Input Characteristics
NI USB-9234 User Guide and Specifications
The following specifications are typical for the range 0 to 60 °C unless
otherwise noted.
Number of channels................................4 analog input channels
ADC resolution.......................................24 bits
Type of ADC ..........................................Delta-Sigma
Sampling mode .......................................Simultaneous
Type of TEDS supported ........................IEEE.1451.4 TEDS Class I
Internal master timebase (f
Frequency ........................................13.1072 MHz
Accuracy..........................................±50 ppm max
Data rate range (f
) using internal master timebase
s
Minimum .........................................1.652 kS/s
Maximum ........................................51.2 kS/s
Data rate range (f
) using external master timebase
s
Minimum .........................................0.391 kS/s
Maximum ........................................52.734 kS/s
Data rates (f
) ..........................................
s
Input coupling.........................................AC/DC (software-selectable)
AC cutoff frequency
–3 dB ...............................................0.5 Hz typ
–0.1 dB ............................................4.6 Hz max
(with analog prefiltering)
(interface)
)
M
÷
f
M
------------------- -
n
16
256
, n = 1, 2, ..., 31
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