Transfer characteristics, Amplifier characteristics – National Instruments AT E Series User Manual
Page 127

Appendix A
Specifications for AT-MIO-16XE-10 and AT-AI-16XE-10
A-22
ni.com
FIFO buffer size......................................512 samples
Data transfers ..........................................DMA, interrupts,
programmed I/O
DMA modes ...........................................Single transfer, demand transfer
Configuration memory size ....................512 words
Transfer Characteristics
Relative accuracy....................................±0.75 LSB typ, ±1 LSB max
DNL ........................................................±0.5 LSB typ, ±1 LSB max
No missing codes....................................16 bits, guaranteed
Offset error
Pregain error after calibration..........±3 µV max
Pregain error before calibration.......±2.2 mV max
Postgain error after calibration ........±76 µV max
Postgain error before calibration .....±102 mV max
Gain error (relative to calibration reference)
After calibration (gain = 1)..............±30.5 ppm of reading max
Before calibration ............................±2,150 ppm of reading max
With gain error adjusted to 0 at gain = 1
Gain
≠ 1 ...........................................±200 ppm of reading
Amplifier Characteristics
Input impedance
Normal, powered on ........................100 G
Ω in parallel with 100 pF
Powered off .....................................820
Ω min
Overload ..........................................820
Ω min
Input bias current ....................................±1 nA
Input offset current .................................±2 nA