National Instruments 24-Bit Half/Full-Bridge Analog Input Module NI 9237 - Manual (Page 22)

NI 9237 Operating Instructions and Specifications 22 ni.com
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
Data rate range (f
s
) using external master timebase
Minimum.................................... 390.625 S/s
Maximum ................................... 51.3 kS/s
Data rates 1 (f
s
) ................................... , n = 1, 2, …, 31
Typical input range ........................... ±25 mV/V
Scaling coefficient ............................ 2.9802 nV/V per LSB
1 The data rate must remain within the appropriate data rate range. Refer to the
Understanding NI 9237 Data Rates section for more information.
f
M
256 ÷
n
---------------------