National Instruments NI 9239E User Manual download pdf (Page 13)

Specifications

The following specifications are typical for the range –40 to 85 °C

internal to any enclosures unless otherwise noted. All voltages are

relative to the AI– signal on each channel unless otherwise noted.

The specifications are the same for the NI 9229E and the NI 9239E

unless otherwise noted.

Input Characteristics

Number of channels .......................... 4 analog input channels

ADC resolution................................. 24 bits

Type of ADC..................................... Delta-Sigma

(with analog prefiltering)

Sampling mode ................................. Simultaneous

Internal master timebase ( f

)

Frequency ................................... 12.8 MHz

Accuracy..................................... ±100 ppm max

Data rate range ( f

) using internal master timebase

Minimum.................................... 1.613 kS/s

Maximum ................................... 50 kS/s

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 25 26

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National Instruments NI 9239E User Manual Page 13