Appendix A
Specifications
SCXI-1102/B/C User Manual
A-2
©
National Instruments Corporation
Gain error (relative to calibration reference)
Gain = 1
After calibration.................... 0.015% of reading max
Before calibration ................. 0.04% of reading
Gain = 100
After calibration.................... 0.020% of reading max
Before calibration ................. 0.1% of reading
Amplifier Characteristics
Input impedance
Normal powered on ..................... >1 G
Ω
Powered off ................................. 10 k
Ω
Overload...................................... 10 k
Ω
Input bias current
...................................±
0.5 nA
Input offset current
................................±
1.0 nA
CMRR
Output range
..........................................±
10 V
Output impedance .............................. 91
Ω
Dynamic Characteristics
Bandwidth .......................................... 2 Hz (1102)
200 Hz (1102B)
10 kHz (1102C)
Scan interval (per channel, any gain)
0.012% ........................................ 3
µ
s
0.0061% ...................................... 10
µ
s
1102
1102B
1102C
50 to 60 Hz, either gain
110 dB
90 dB
90 dB
DC, gain 1
75 dB min
75 dB min
75 dB min
DC, gain 100
100 dB min
100 dB min
100 dB min