User's Manual

Appendix A Specifications for AT-MIO-16E-1, AT-MIO-16E-2 and AT-MIO-64E-3
 National Instruments Corporation A-3 AT-MIO/AI 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 .....±12 µV max
Pregain error before calibration...±2.5 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 .......................±2.5% 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 GΩ in parallel with 100 pF
Powered off ................................820 Ω min
Overload .....................................820 Ω min
Input bias current .............................. ±200 pA
Input offset current............................ ±100 pA
CMRR, DC to 60 Hz
Gain = 0.5...................................95 dB
Gain = 1......................................100 dB
Gain ≥ 2......................................106 dB