©
National Instruments Corp.
13
NI 9225E Operating Instructions and Specifications
Specifications
The following specifications are typical for the range –40 to 85 °C
unless otherwise noted. All voltages are relative to the AI– signal
on each channel unless otherwise noted.
Input Characteristics
Number of channels.......................... 3 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.................................... 1.613 kS/s
Maximum ................................... 50 kS/s
