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

Page 127

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Appendix A

Specifications for AT-MIO-16XE-10 and AT-AI-16XE-10

AT E Series User Manual

A-22

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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