© National Instruments Corp. 23 NI 9229/9239
Alias-free bandwidth........................ 0.453 · fs
–3 dB prefilter bandwidth
(fs = 50 kS/s)......................................24.56 kHz
CMRR (fin = 60 Hz)
NI 9229.......................................116 dB
NI 9239.......................................126 dB
SFDR (1 kHz, –60 dBFS).................–128 dBFS
Total Harmonic Distortion (THD)
1 kHz, –1 dBFS..........................–99 dB
1 kHz, –20 dBFS........................–105 dB
MTBF............................................... 662,484 hours at 25 °C;
Bellcore Issue 2, Method 1,
Case 3, Limited Part Stress
Method
Note Contact NI for Bellcore MTBF specifications
at other temperatures or for MIL-HDBK-217F
specifications.