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NI (National Instruments) · PXI Express

PXIe-4481

The NI PXIe-4481 is a six-channel, 24-bit PXI Express analog input module for voltage measurement. It supports simultaneous sampling, selectable input ranges, and anti-alias and low-latency filtering.

ManufacturerNI (National Instruments)

ModelPXIe-4481

Part Number784278-01

Product Type24-Bit, 6-Channel, 1.25 MS/s PXI Analog Input Module

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Maximum Sample Rate20 MS/s

Analog Input Voltage Range-10 V to 10 V -5 V to 5 V -1 V to 1 V -0.5 V to 0.5 V

Max Differential Analog Input Channels6

Analog Input Resolution24 bits

FilteringAnti-Alias, Low-Latency

Bus ConnectionPXI Express

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Overview

Product overview

Key product information and technical features.

The PXIe-4481 provides six simultaneously sampled differential analog inputs in a PXI Express module. Its voltage-measurement architecture combines 24-bit resolution with four selectable input ranges.

Anti-alias and low-latency filtering support signal acquisition within a PXI Express measurement system. NI provides model-specific specifications and dimensional drawings for integration planning.

Six differential analog input channels with simultaneous sampling.
24-bit analog input resolution.
Selectable bipolar voltage ranges of ±10 V, ±5 V, ±1 V, and ±0.5 V.
Anti-alias and low-latency filtering.
PXI Express bus connection.

Verified specifications

Technical data

Verified product specifications.

Maximum Sample Rate	20 MS/s
Analog Input Voltage Range	-10 V to 10 V -5 V to 5 V -1 V to 1 V -0.5 V to 0.5 V
Maximum Number of Differential Analog Input Channels	6
Analog Input Resolution	24 bits
Filtering	Anti-Alias, Low-Latency
Bus Connection	PXI Express
Simultaneous Sampling	Yes
Front Connection Type	InfiniBand (IB), SMB
Operating Temperature Range	0 °C to 55 °C
NI part numbers	784278-01

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NI

Manufacturer

PXI Express

Bus Connection

PXIe-4481

This product

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Letter Of Volatility (NI)Letter Of Volatility · ni.com

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Specifications (NI)Specifications · ni.com

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Dimensional Drawings (NI)Dimensional Drawings · ni.com

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Product Page (NI)Product Page · ni.com

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

How many input channels does the PXIe-4481 provide?

It provides six differential analog input channels. The supplied verified specifications list no single-ended analog input channels.

Does the PXIe-4481 sample its channels simultaneously?

Yes. The PXIe-4481 supports simultaneous sampling and 24-bit analog input resolution.

What platform does the PXIe-4481 use?

The module uses a PXI Express bus connection. Check NI documentation for the requirements of the intended chassis, controller, and software configuration.