National Instruments 5441 Manual de usuario descargar pdf (Pagina 38)

NI 5441 Specifications 38 ni.com

Calibration

Power

Specification Valu e Comments

Self-Calibration An onboard, 24-bit ADC and precision voltage reference are

used to calibrate the DC gain and offset. The self-calibration

is initiated by the user through the software and takes

approximately 75 seconds to complete.

—

External

Calibration

The External Calibration calibrates the VCXO, voltage

reference, output impedance, DC gain, and offset.

Appropriate constants are stored in nonvolatile memory.

—

Calibration

Interval

Specifications valid within 2 years of External Calibration. —

Warm-up Time 15 minutes —

Specification Typical Operation Overload Operation Comments

+3.3 VDC 1.9 A 2.7 A Typical.

Overload

operation occurs

when CH 0 is

shorted to

ground.

+5 VDC 2.2 A 2.4 A

+12 VDC 0.46 A 0.5 A

–12 VDC 0.01 A 0.01 A

Total Power 22.9 W 27.0 W

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National Instruments 5441 Manual de usuario Pagina 38