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NI (National Instruments) · PXI

PXI-7851

Name: PXI-7851
Brand: NI (National Instruments)

The NI PXI-7851 is a reconfigurable PXI multifunction I/O module with a Virtex-5 LX30 FPGA, 8 analog inputs, 8 analog outputs and 96 bidirectional digital channels.

ManufacturerNI (National Instruments)

ModelPXI-7851

Part Number780339-01

Product TypeVirtex-5 LX30 FPGA, 750 kS/s PXI Multifunction Reconfigurable I/O Module

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Maximum Sample Rate750 kS/s

Bus ConnectorPXI Hybrid

Maximum Clock Rate40 MHz

Bidirectional Digital Channels96

Digital I/O Logic Levels3.3 V, 5 V

Dynamic RAM (DRAM)0 MB

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Overview

Product overview

Key product information and technical features.

The PXI-7851, part number 780339-01, combines analog and digital I/O with a user-programmable Virtex-5 LX30 FPGA in a PXI module. Its reconfigurable architecture supports onboard processing and direct control of I/O timing and synchronization.

The module provides 8 analog inputs and 8 analog outputs with 16-bit resolution, plus 96 bidirectional digital channels. Dedicated ADCs support simultaneous sampling and independent channel timing and triggering. The maximum analog input sample rate is 750 kS/s, and the maximum analog output update rate is 1 MS/s.

User-programmable Virtex-5 LX30 FPGA for reconfigurable I/O operation.
8 analog inputs with 16-bit resolution and a -10 V to 10 V input range.
8 analog outputs with 16-bit resolution, a -10 V to 10 V range and a maximum update rate of 1 MS/s.
96 bidirectional digital channels with listed 3.3 V and 5 V logic levels.
Dedicated ADCs support independent timing and triggering, including multirate sampling and individual channel triggering.
PXI Hybrid bus connector and VHDCI front connections.

Verified specifications

Technical data

Verified product specifications.

Maximum Sample Rate	750 kS/s
Bus Connector	PXI Hybrid
Maximum Clock Rate	40 MHz
Number of Bidirectional Digital Channels	96
Digital I/O Logic Levels	3.3 V, 5 V
Dynamic RAM (DRAM)	0 MB
FPGA	Virtex-5 LX30
Analog Input Voltage Range	-10 V to 10 V
Supports Peer To Peer Streaming	No
Number of Analog Input Channels	8
Number of Analog Output Channels	8
Supported Hardware Platform	PXI
Reconfigurable	Yes
Maximum Digital Update Rate	25 ns
Maximum Analog Update Rate	1 MS/s
Analog Output Voltage Range	-10 V to 10 V
Simultaneous Sampling	Yes
Analog Input Absolute Accuracy	3.97 mV
Conformal Coated	No
Output Voltage Range	0 V to 3.3 V
Enclosed	Yes
Front Connection Type	VHDCI
Signaling Type	Single-Ended
Maximum Number of Single-Ended Analog Input Channels	8
Maximum Number of Differential Analog Input Channels	8
Analog Input Resolution	16 bits
Number of Voltage Output Channels	8
Analog Output Resolution	16 bits
Operating Temperature Range	0 °C to 55 °C
Electrical Signal Measured	Voltage
Supported Power Input	Bus Powered
NI part numbers	780339-01

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NI

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PXI

Supported Hardware Platform

PXI-7851

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FAQ

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Product-specific answers based on available technical information.

What is the NI part number for the PXI-7851?

The listed NI part number is 780339-01.

How many analog and digital channels does the PXI-7851 provide?

It provides 8 analog input channels, 8 analog output channels and 96 bidirectional digital channels. The analog inputs and outputs have 16-bit resolution.

Which FPGA does the PXI-7851 use?

The module uses a user-programmable Virtex-5 LX30 FPGA.

What are the analog input and output voltage ranges?

Both the analog input and analog output voltage ranges are -10 V to 10 V.

What are the maximum analog sampling and output update rates?

The listed maximum input sample rate is 750 kS/s, and the maximum analog output update rate is 1 MS/s.