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

Page 136

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Appendix A

Specifications for AT-MIO-16XE-50

© National Instruments Corporation

A-31

AT E Series User Manual

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

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