National Instruments SCXI -1125 사용자 설명서

다운로드
페이지 101
Appendix 
A  Specifications
A-6
ni.com
Normal Mode Rejection, 50/60 Hz (NMRR)
4 Hz filter enabled ...........................60 dB
Crosstalk at 1kHz
Adjacent channels............................–75 dB
All other channels............................– 90 dB
Input coupling
Default .............................................DC
Using SCXI-1305 or TBX-1329 .....AC or DC
Power Consumption
+18.5 V ...................................................140 mA max
– 18.5 V ..................................................140 mA max
+5 V ........................................................10 mA max
Output Characteristics
Output range ...........................................±5.0 V
Output impedance
Multiplexed output mode ................100 
Ω
Parallel output mode........................330 
Ω
Transfer Characteristics
Nonlinearity
All ranges.........................................0.02% of full scale range
Stability
Recommended warm-up time.................15 minutes
Offset drift ..............................................± (0.42 + 250/gain) 
μV/ °C
Gain drift.................................................± 20 ppm/ °C typical
Calibration
External calibration interval ...................1 year