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Appendix A Specifications for PCI and PXI Buses
© National Instruments Corporation A-3 6023E/6024E/6025E User Manual
Transfer Characteristics
Relative accuracy ...................................±0.5 LSB typ dithered,
±1.5 LSB max undithered
DNL .......................................................±0.5 LSB typ, ±1.0 LSB max
No missing codes ...................................12 bits, guaranteed
Offset error
Pregain error after calibration......... ±12 µVmax
Pregain error before calibration ......±28 mV max
Postgain error after calibration .......±0.5 mV max
Postgain error before calibration..... ±100 mV max
Gain error (relative to calibration reference)
After calibration (gain = 1)............. ±0.02% of reading max
Before calibration ........................... ±2.75% of reading max
Gain ≠ 1 with gain error
adjusted to 0 at gain = 1.................. ±0.05% of reading max
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