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Appendix A Specifications for PCMCIA Bus
© National Instruments Corporation A-13 6023E/6024E/6025E User Manual
Amplifier Characteristics
Input impedance
Normal powered on ........................100 GΩ in parallel with 100 pF
Powered off.....................................4 kΩ min
Overload..........................................4 kΩ min
Input bias current ...................................±200 pA
Input offset current................................. ±100 pA
CMRR (DC to 60 Hz)
Gain 0.5, 1.0....................................85 dB
Gain 10, 100.................................... 90 dB
Dynamic Characteristics
Bandwidth
Settling time for full-scale step .............. 5 µs max to ±1.0 LSB accuracy
System noise (LSB
rms
, not including quantization)
Crosstalk.................................................–60 dB, DC to 100 kHz
Stability
Recommended warm-up time................30 min
Offset temperature coefficient
Pregain ............................................±15 µV/°C
Postgain...........................................±240 µV/°C
Signal Bandwidth
Small (–3dB) 500 kHz
Large (1% THD) 225 kHz
Gain Dither Off Dither On
0.5to1 0.10 0.65
10 0.45 0.65
100 0.70 0.90