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Appendix A Specifications for AT-MIO-16XE-50
National Instruments Corporation A-27 AT-MIO/AI E Series User Manual
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 .......................±2250 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 GΩ in parallel with 100 pF
Powered off ................................820 Ω min
Overload .....................................820 Ω min
Input bias current .............................. ±10 nA
Input offset current............................ ±20 nA
CMRR, DC to 60 Hz
Gain = 1......................................80 dB
Gain = 2......................................86 dB
Gain = 10....................................100 dB
Gain = 100 ..................................120 dB
Dynamic Characteristics
Bandwidth
Gain = 1, 2..................................63 kHz
Gain = 10....................................57 kHz
Gain = 100 ..................................33 kHz