Appendix A
Specifications
©
National Instruments Corporation
A-3
SCXI-1502 User Manual
Noise characteristics (RTI)
Gain = 1
10 Hz to 1 MHz .............................. 100
µ
V
rms
Gain = 100
10 Hz to 1 MHz .............................. 1
µ
V
rms
0.1 to 10 Hz..................................... 0.5
µ
V
p-p
Filter
Cutoff frequency (–3 dB) ....................... 5 Hz
NMR (60 Hz) ......................................... –40 dB min
Step response characteristics (gain 1 or 100)
Settling to 0.0015%......................... 0.6 sec
Stability
Recommended warm-up time ................ 20 min
Offset temperature coefficient
Gain = 1 .......................................... ±35
µ
V/
°
C max
±10
µ
V/
°
C typ
Gain = 100 ...................................... ±1.5
µ
V/
°
C max
±0.5
µ
V/
°
C typ
Gain temperature coefficient
(gain 1 or 100)........................................ ±15 ppm/
°
C max
±5 ppm/
°
C typ
Long-term gain drift
(gain 1 or 100)........................................ ±0.475 ppm/year max
±70 ppm/year typ
Power Requirements
5 V supply .............................................. 15 mA max
±15 V supply
(regulated from ±24 V supply)............... 150 mA max
V+........................................................... 18.5 to 25 VDC, 170 mA max
