National Instruments E Series , Transfer Characteristics, Dynamic Characteristics, Amplifier Characteristics

Appendix A Specifications for DAQCard-AI-16E-4
 National Instruments Corporation A-3 DAQCard E Series 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..... ± 16 µ V max
Pregain error before calibration... ± 4.0 mV max
Postgain error after calibration.... ± 1.0 mV max
Postgain error before calibration. ± 265 mV max
Gain error (relative to calibration reference)
After calibration (gain = 1)......... ± 0.02% of reading max
Before calibration....................... ± 2.5% of reading max
Gain ≠ 1 with gain error
adjusted to 0 at gain = 1....... ± 0.02% of reading max
Amplifier Characteristics
Input impedance
Normal powered on.....................100 G Ω in parallel with 100 pF
Powered off ................................ 1 k Ω min
Overload..................................... 1 k Ω min
Input bias current.............................. ± 200 pA
Input offset current............................ ± 100 pA
CMRR (all input ranges, DC to 60 Hz)
Gain ≤ 1......................................85 dB
Gain = 2......................................95 dB
Gain ≥ 5......................................100 dB
Dynamic Characteristics
Bandwidth
small signal (-3 dB) .................... 800 kHz
large signal (1% THD)................400 kHz