Specifications - National Instruments DAQ PCI-4451 User Manual

Specifications

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Analog Input
© National Instruments Corporation
This appendix lists the specifications of the PCI-4451/4452. These
specifications are typical at 25° C unless otherwise noted. The system must
be allowed to warm-up for 15 minutes to achieve the rated accuracy.
Channel Characteristics
Number of channels ............................... 2 (PCI-4451) or 4 (PCI-4452),
Input configuration................................. true differential
Resolution .............................................. 16 bits
Type of ADC.......................................... Delta-sigma, 128-times
Sample rates ........................................... 5 kS/s to 204.8 kS/s in increments
Frequency accuracy................................ ±100 ppm
Input signal ranges ................................. software-selectable
Gain
Linear
0.1
0.316
1
3.16
10
simultaneously sampled
oversampling
of 190.735 µS/s
Log
20 dB
10 dB
0 dB
+10 dB
+20 dB
A-1
A
Full-Scale Range (Peak)
±42.4 V
±31.6 V
±10.0
±3.16 V
±1.00 V
PCI-4451/4452 User Manual