National Instruments PCI-6023E - Manual (Page 85)

Appendix A Specifications
© National Instruments Corporation A-3 PCI-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
µ
V max
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 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
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