National Instruments NI 9229, NI 9239

Data rate range (fs) using external master timebase

Minimum....................................390.625 S/s

Maximum.................................. .51.2 kS/s

Data rates1 (fs)................................... , n = 1, 2, …, 31

Input voltage ranges (AI+ to AI–)2

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

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

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

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) Typica l (V ) Minimum (V)

NI 9229 ±60 ±62.64 ±61.5

NI 9239 ±10 ±10.52 ±10.3

fM256÷

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