Appendix A Specifications - National Instruments SCXI-1141 User Manual

Specifications
Amplifier Characteristics
© National Instruments Corporation
This appendix lists the specifications for the SCXI-1141/1142/1143
module. These specifications are typical at 25 °C and 50% humidity unless
otherwise stated.
Number of channels ............................... 8 differential
Output signal range ................................ ±5 V
Channel gains (software-selectable) ...... 1, 2, 5, 10, 20, 50, 100
Input overvoltage protection
Powered on ..................................... ±30 V
Powered off..................................... ±15 V
Input coupling ........................................ DC (AC available with
Input impedance
Powered on ..................................... 10 GΩ in parallel with 40 pF
Powered off..................................... 2.4 kΩ
Input bias current ................................... 450 pA
Input bias current
temperature coefficient .......................... 0.8 pA/°C
Input offset current................................. 250 pA
Temperature coefficient ......................... 20mV/°C
Common-mode rejection ratio ............... 60 dB (G = 1)
SCXI-1304 or SCXI-1305
terminal block)
A-1
A
SCXI-1141/1142/1143 User Manual