IEPE Analog Input Module Operating Instructions and Specifications

© National Instruments Corp. 23 NI 9233 Operating Instructions and Specifications
Crosstalk (f
in
= 1 kHz)
Paired channels
(0 and 1, 2 and 3)........................ –100 dB
Nonpaired channels .................... –110 dB
CMRR ( f
in
≤ 1 kHz)
Minimum.................................... 44 dB
Typical........................................ 56 dB
SFDR ( f
in
= 1 kHz, –60 dBFS) ........ 120 dB
Idle channel noise and noise density
Input impedance
Differential (AC) ........................ >300 kΩ
AI– (shield) to chassis ground.... 50 Ω
Idle Channel 50 kS/s 25 kS/s 2 kS/s
Noise 95 dBFS 98 dBFS 102 dBFS
Noise density 400 nV/√Hz 400 nV/√Hz 900 nV/√Hz