NI 9234E Operating Instructions and Specifications
|
© National Instruments
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23
Alias-free bandwidth ........................ 0.45
·
f
s
Oversample rate ................................ 64
·
f
s
Crosstalk (1 kHz).............................. -110 dB
CMRR (
f
in
≤
1 kHz)
Minimum.................................... 40 dB
Typical........................................ 47 dB
SFDR (
f
in
= 1 kHz, -60 dBFS).......... 120 dB
Idle channel noise and noise density
Input impedance
Differential ................................. 305 k
Ω
AI- (shield) to chassis ground .... 50
Ω
Idle Channel
51.2 kS/s
25.6 kS/s
2.048 kS/s
Noise
97 dBFS
99 dBFS
103 dBFS
50
μ
V
rms
40
μ
V
rms
25
μ
V
rms
Noise density
310 nV/
√
Hz
350 nV/
√
Hz
780 nV/
√
Hz
