PCIe-7842

Name: PCIe-7842
Brand: NI (National Instruments)

The NI PCIe-7842 is an R Series multifunction reconfigurable I/O device with a Virtex-5 LX50 FPGA and PCI Express interface. It provides 8 analog inputs, 8 analog outputs and 96 bidirectional digital channels.

ManufacturerNI (National Instruments)

ModelPCIe-7842

Part Number781101-01

Product TypeVirtex-5 LX50 FPGA, 200 kS/s Multifunction Reconfigurable I/O Device

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Maximum Sample Rate200 kS/s

Bus ConnectionPCI Express

Maximum Clock Rate40 MHz

Bidirectional Digital Channels96

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

FPGAVirtex-5 LX50

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Overview

Product overview

Key product information and technical features.

The PCIe-7842 combines analog acquisition, analog output and bidirectional digital I/O on a PCI Express board. Its user-programmable Virtex-5 LX50 FPGA provides direct control over I/O signals rather than relying solely on fixed device functionality.

Dedicated A/D conversion per input channel supports simultaneous sampling and independent channel timing and triggering. The supplied structured record identifies LabVIEW FPGA Module customization and associates part number 781101-01 with the PCIe-7842R R Series Multifunction Device.

User-programmable Virtex-5 LX50 FPGA for direct I/O control and custom timing.
Eight simultaneously sampled, 16-bit analog inputs with a -10 V to 10 V range.
Eight 16-bit analog outputs with a -10 V to 10 V range.
Ninety-six bidirectional digital channels with listed 3.3 V and 5 V logic levels.
PCI Express host connection and VHDCI front connection.
200 kS/s maximum sample rate and 1 MS/s maximum analog update rate.

Verified specifications

Technical data

Verified product specifications.

Maximum Sample Rate	200 kS/s
Bus Connection	PCI Express
Maximum Clock Rate	40 MHz
Number of Bidirectional Digital Channels	96
Digital I/O Logic Levels	3.3 V, 5 V
FPGA	Virtex-5 LX50
Analog Input Voltage Range	-10 V to 10 V
Enclosed	No
Electrical Signal Measured	Voltage
Reconfigurable	Yes
Number of Analog Input Channels	8
Maximum Digital Update Rate	25 ns
Maximum Analog Update Rate	1 MS/s
Number of Analog Output Channels	8
Operating Temperature Range	0 °C to 40 °C
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 Voltage Range	-10 V to 10 V
Analog Output Resolution	16 bits
Simultaneous Sampling	Yes
Analog Input Absolute Accuracy	3.97 mV
NI part numbers	781101-01