Appendix A
Specifications for AT-MIO-16XE-50
©
National Instruments Corporation
A-31
Data transfers ......................................... DMA, interrupts,
programmed I/O
DMA modes ........................................... Single transfer, demand transfer
Configuration memory size.................... 512 words
Transfer Characteristics
Relative accuracy ................................... ±0.5 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 ...... ±1 mV max
Postgain error after calibration ....... ±76 µV max
Postgain error before calibration..... ±4 mV max
Gain error (relative to calibration reference)
After calibration (gain = 1) ............. ±30.5 ppm of reading max
Before calibration ........................... ±2,250 ppm of reading max
With gain error adjusted to 0 at gain = 1
Gain = 2, 10 .................................... ±100 ppm of reading
Gain = 100 ...................................... ±250 ppm of reading
Amplifier Characteristics
Input impedance
Normal, powered on ....................... 7 G
Ω
in parallel with 100 pF
Powered off..................................... 820
Ω
min
Overload.......................................... 820
Ω
min
Input bias current ................................... ±10 nA
Input offset current................................. ±20 nA