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National Instruments NI 9229 User Manual

Page 19

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© National Instruments Corp.

19

NI 9229/9239

Data rate range (f

s

) using external master timebase

Minimum.................................... 390.625 S/s
Maximum ................................... 51.2 kS/s

Data rates

1

(f

s

) ...................................

, n = 1, 2, …, 31

Input voltage ranges (AI+ to AI–)

2

Overvoltage protection ..................... ±100 V

Input coupling................................... DC

Input impedance (AI+ to AI–) .......... 1 M

Ω

1

The data rate must remain within the appropriate data rate range. Refer to the

Understanding NI 9229/9239 Data Rates

section for more information.

2

Refer to the

Safety Guidelines

section for more information about safe operating

voltages.

Module

Nominal (V)

Typical (V)

Minimum (V)

NI 9229

±60

±62.64

±61.5

NI 9239

±10

±10.52

±10.3

f

M

256

÷

n

---------------------

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