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Stability – National Instruments E Series User Manual

Page 87

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Appendix A Specifications for DAQCard-AI-16E-4

DAQCard E Series User Manual

A-4

National Instruments Corporation

Crosstalk ........................................... -80 dB, DC to 100 kHz

Stability

Recommended warm-up time ............ 15 min

Offset temperature coefficient

Pregain........................................

±

5

µ

V/

°

C

Postgain ......................................

±

240

µ

V/

°

C

Gain temperature coefficient .............

±

20 ppm/

°

C

Onboard calibration reference

Level........................................... 5.000 V (

±

2.5 mV) (actual value

stored in EEPROM)

Temperature coefficient ..............

±

5 ppm/

°

C max

Long-term stability .....................

±

15 ppm/

Settling time for
full-scale step.....................

Gain

Accuracy

±

0.012%

(

±

0.5 LSB)

±

0.024%

(

±

1 LSB)

0.5

4

µ

s typ,

8

µ

s max

4

µ

s max

System noise in LSB rms,
not including quantization ..........

Gain

Noise,

dither off

Noise,

dither on

0.5 to 10

0.2

0.5 to 20

0.5

20

0.25

50

0.5

0.7

100

0.9

1.0

1, 000 h