Appendix A
Specifications for AT-MIO-16E-1, AT-MIO-16E-2, and AT-MIO-64E-3
©
National Instruments Corporation
A-3
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 G
Ω
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
Range
CMRR
20 V
95 dB
10 V
100 dB
100 mV to 5 V
106 dB