Bridge Analog Input Operating Instructions and Specifications

© National Instruments Corp. 25 NI 9235/9236
Alias-free bandwidth ........................0.45 · f
s
Oversample rate ................................ 64 · f
s
Rejection at oversample rate
1
(f
s
= 10 kS/s) ..................................... 80 dB @ 640 kHz
Input noise
f
s
= 1 kS/s
NI 9235 ................................ 0.38 μV/V
rms
NI 9236 ................................ 0.25 μV/V
rms
f
s
= 10 kS/s
NI 9235 ................................ 0.85 μV/V
rms
NI 9236 ................................ 0.5 μV/V
rms
SFDR (1 kHz, –60 dBFS)
NI 9235....................................... 110 dB
NI 9236....................................... 115 dB
THD (1 kHz, –20 dBFS)
NI 9235....................................... –90 dB
NI 9236....................................... –95 dB
1
Rejection by analog prefilter of signal frequencies at oversample rate.