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NI 9237 Operating Instructions and Specifications 26 ni.com
Input noise
Excitation noise ................................0.1 mV/V
rms
Crosstalk
f
in
= 1 kHz...................................110 dB
f
in
= 10 kHz.................................100 dB
Excitation
Internal voltage...........................2.5 V, 3.3 V, 5.0 V, 10.0 V
Internal power.............................150 mW max
External voltage..........................2 V to 10 V
Excitation
Vol tag e
Density
(nV/V
rms
per
)
Total,
f
in
= 0 to 25 kHz
(μV/V
rms
)
Total,
f
in
= 0 to 1 kHz
(nV/V
rms
)
2.5 V 8 1.3 250
3.3 V 6 1.0 190
5V 4 0.6 130
10 V 2 0.3 65
1Hz