National Instruments SCXI-1121 - Manual (Page 110)

Appendix A Specifications
SCXI-1121 User Manual A-2 www.natinst.com
Filtering (jumper-selectable) ..................4 Hz (–10 dB) or 10 kHz (–3 dB),
3-pole RC
Noise (400 kHz bandwidth) 1
Input (gain = 1,000)
4 Hz filter .................................100 nV
rms
10 kHz filter .............................4 µV
rms
Output (gain = 1)
4 Hz ..........................................150 µV
rms
10 kHz ......................................1 mV
rms
Output selection time (with 5 V step, all gains) 2
0.012% accuracy..............................5.2 µsec typical, 7 µsec maximum
0.006% accuracy..............................10 µsec
0.0015% accuracy............................20 µsec
Rise time
4 Hz .................................................0.12 sec
10 kHz .............................................70 µsec
Slew rate .................................................0.15 V/µsec
Operating common-mode voltage,
50 Hz or 60 Hz
Channel to channel or
Channel to earth...............................250 V
rms
2
Common-mode rejection ratio, 50 or 60 Hz
1 k
Ω
in input leads ..........................160 dB minimum at 4 Hz
bandwidth
NMR (50 or 60 Hz) .........................60 dB at 4 Hz bandwidth
Input protection (continuous) .................250 V
rms
maximum
Output protection ....................................Continuous short-to-ground
Power dissipation....................................7.5 W maximum
1 Includes the combined effects of the SCXI-1121 and the AT-MIO-16F-5
2 Module tested following the UL1244 standard to twice the working voltage +1000 V
rms