AppendixA Specificationsfor PCMCIA Bus
©NationalInstruments Corporation A-13 6023E/6024E/6025EUser Manual
Amplifier Characteristics
Input impedance
Normalpowered on ........................ 100 GΩin parallel with 100 pF
Poweredo ff.....................................4 kΩmin
Overload..........................................4 kΩmin
Inputbias current................................... ±200 pA
Inputoffset current .................................±100 pA
CMRR (DC to 60 Hz)
Gain0.5, 1.0 ....................................85 dB
Gain10, 100 ....................................90 dB
Dynamic Characteristics
Bandwidth
Settling time for full-scalestep .............. 5 µs max to ±1.0 LSB accuracy
System noise (LSBrms, not including quantization)
Crosstalk.................................................–60 dB, DC to 100 kHz
Stability
Recommendedwarm-up time ................ 30 min
Offsettemperature coefficient
Pregain............................................ ±15 µV/°C
Postgain...........................................±240 µV/°C
Signal Bandwidth
Small(–3dB) 500 kHz
Large(1% TH D) 225 kHz
Gain DitherOff Dither On
0.5to1 0.10 0.65
10 0.45 0.65
100 0.70 0.90