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NI (National Instruments) · PXI

PXIe-7857

The NI PXIe-7857, part number 784146-01, is a PXI Express multifunction reconfigurable I/O module with a Kintex-7 160T FPGA and 512 MB DRAM. It provides 8 analog inputs, 8 analog outputs and 48 bidirectional digital channels, with maximum analog input and output rates of 1 MS/s.

ManufacturerNI (National Instruments)

ModelPXIe-7857

Part Number784146-01

Product TypePXIe, Kintex-7 160T FPGA, 1 MS/s, DRAM PXI Multifunction Reconfigurable I/O Module

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Maximum Sample Rate1 MS/s

Bus ConnectorPXI Express

Maximum Clock Rate80 MHz

Bidirectional Digital Channels48

Digital I/O Logic Levels1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V

Dynamic RAM (DRAM)512 MB

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Overview

Product overview

Key product information and technical features.

The analog section provides 8 inputs and 8 outputs with 16-bit resolution. Input ranges are ±1 V, ±2 V, ±5 V and ±10 V; the analog output range is ±10 V. The module also supports simultaneous sampling and peer-to-peer streaming.

Kintex-7 160T FPGA and 512 MB onboard DRAM.
8 analog inputs and 8 analog outputs with 16-bit resolution and maximum rates of 1 MS/s.
Selectable analog input ranges of ±1 V, ±2 V, ±5 V and ±10 V, with ±10 V analog outputs.
48 bidirectional digital channels supporting 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V logic levels.
Supports simultaneous sampling and peer-to-peer streaming.
PXI Express interface, VHDCI front connection and one external clock input.

Verified specifications

Technical data

Verified product specifications.

Maximum Sample Rate	1 MS/s
Bus Connector	PXI Express
Maximum Clock Rate	80 MHz
Number of Bidirectional Digital Channels	48
Digital I/O Logic Levels	1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V
Dynamic RAM (DRAM)	512 MB
FPGA	Kintex-7 160T
Analog Input Voltage Range	-1 V to 1 V -2 V to 2 V -5 V to 5 V -10 V to 10 V
Supports Peer To Peer Streaming	Yes
Number of Analog Input Channels	8
Number of Analog Output Channels	8
Supported Hardware Platform	PXI
Reconfigurable	Yes
Maximum Digital Update Rate	12.5 ns
Maximum Analog Update Rate	1 MS/s
Analog Output Voltage Range	-10 V to 10 V
Simultaneous Sampling	Yes
Analog Input Absolute Accuracy	2.28 mV
Conformal Coated	No
Output Voltage Range	0 V to 3.3 V
Enclosed	Yes
Front Connection Type	VHDCI
Number of External Clock Inputs	1
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	784146-01

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PXI

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PXIe-7857

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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 PXIe-7857?

The listed NI part number is 784146-01.

How many analog and digital channels does it provide?

It provides 8 analog input channels, 8 analog output channels and 48 bidirectional digital channels. Both analog input and output resolution are 16 bits.

What analog voltage ranges are supported?

The analog input ranges are ±1 V, ±2 V, ±5 V and ±10 V. The analog output range is ±10 V.

Which FPGA and memory does the PXIe-7857 use?

The module uses a Kintex-7 160T FPGA and includes 512 MB DRAM.

Is the PXIe-7857 reconfigurable?

Yes. It is a reconfigurable I/O module with a user-programmable FPGA for onboard processing and I/O timing control.