Amplifier characteristics, Dynamic characteristics, Stability – National Instruments 6023E User Manual
Page 95
Appendix A
Specifications for PCMCIA Bus
© National Instruments Corporation
A-13
Amplifier Characteristics
Input impedance
Normal powered on ........................ 100 G
Ω in parallel with 100 pF
Powered off..................................... 4 k
Ω min
Overload.......................................... 4 k
Ω 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 (–3 dB)
500 kHz
Large (1% THD)
225 kHz
Gain
Dither Off
Dither On
0.5 to 1
0.10
0.65
10
0.45
0.65
100
0.70
0.90