PXIe-4481 1.25 MS/s Analog Input Module (784278-01)

24-Bit, 6-Channel, 20 MS/s PXI Analog Input Module
The PXIe‑4481 is an analog input module for higher bandwidth voltage measurements. The module offers analog and digital filtering for accurate frequency domain measurements. You also can select from four gain settings to configure your input range. For measuring sudden changes, such as high speed blast and pressure events, the PXIe-4481 can sample up to 20 MS/s per channel in time domain mode. The included NI-DAQmx driver simplifies hardware configuration and measurement.

Key product

Input Characteristics
Number of simultaneously sampled input channels6

Measurement types

Voltage, each channel independently software-selectable

Input configuration
Voltage

Differential or pseudodifferential (50 Ω between negative input and chassis ground), each channel independently software-selectable

Input coupling
Voltage

AC or DC, each channel independently software-selectable

A/D converter (ADC) resolution

24 bits

ADC type

Delta-Sigma

Sample rates (ƒs)
Range

100 Sample/s to 1.25 MSample/s

Resolution
≤1.458 mSample/s

ADC modulator sample rate

20 MSample/s

FIFO buffer size

1,023 samples per task + 8,221 samples per channel in task

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