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Appendix A
Specifications for SCXI-1120D
0 Ω in low lead
1
SCXI-1120/D User Manual
Transfer Characteristics
Nonlinearity ............................................0.04% FSR
Offset error RTI ......................................±(6 µV ±3 mV/gain)
Gain error................................................0.4% of reading typ
Amplifier Characteristics
Input impedance
Power on..........................................1 MΩ
Power off and overvoltaged.............500 kΩ
Input bias current ....................................15 pA
.........................................≥ 110 dB
1
CMRR at DC
CMRR at 50 or 60 Hz
Output range ...........................................± 5 V
Output impedance...................................100 Ω in multiplexed mode 330 Ω
Dynamic Characteristics
Bandwidth (–3 dB) .................................4.5 kHz or 22.5 kHz jumper
Slew Rate ................................................2 V/µs
Table A-2. System Noise RTI (0.1 Hz to 50 kHz)
Gain
0.5
1,000
0.6% max
...........................≥ 98 dB
1
in parallel mode
selectable
A-6
Noise
10 µV
/√Hz
rms
0.1 µV
/√Hz
rms
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