Table Of Contents


    Last Modified: May 11, 2017

    This document lists the specifications for the PXIe-7975. Specifications are subject to change without notice. For the most recent device specifications, refer to


    Using the PXIe-7975 in a manner not described in this document might impair the protection the PXIe-7975 provides.

    • Typical specifications describe the expected performance met by a majority of the models.
    • Nominal specifications describe parameters and attributes that may be useful in operation.

    These specifications are typical at 25 °C unless otherwise noted.


    Warranted specifications describe the performance of a model under stated operating conditions and are covered by the model warranty.

    Characteristics describe values that are relevant to the use of the model under stated operating conditions but are not covered by the model warranty.

    • Typical specifications describe the expected performance met by a majority of the models.
    • Nominal specifications describe parameters and attributes that may be useful in operation.

    Specifications are Typical unless otherwise noted.

    Reconfigurable FPGA


    Kintex-7 XC7K410T



    DSP48 Slices (25 × 18 Multiplier)


    Embedded Block RAM (kbits)


    Default timebase

    40 MHz

    Timebase reference sources

    PXI Express 100 MHz (PXIe_CLK100)

    Timebase accuracy

    ±100 ppm, 250 ps peak-to-peak jitter

    Data transfers

    DMA, interrupts, programmed I/O

    Number of DMA channels


    FPGA Digital Input/Output

    Number of general-purpose channels

    136, configurable as 136 single-ended, 68 differential, or a combination of both[1]

    Channels per bank

    Bank 0/Bank 1


    Bank 2



    Configured through the FPGA and based on the attached adapter module; 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V I/O standards (refer to


    Refer to


    Refer to

    Maximum I/O data rates


    400 Mb/s


    1 Gb/s for LVDS

    Multi-region clock inputs


    Single-region clock inputs


    Connection resources

    PXI triggers, PXI_CLK10, PXI star trigger, PXIe_DStarA, PXIe_DStarB, PXIe_DStarC, and PXIe_Sync100

    Onboard DRAM

    Memory size

    2 GB single bank

    Theoretical maximum data rate

    10.5 GB/s

    Bus Interface

    Form factor

    x4 PXI Express, specification v2.1 compliant

    Slot compatibility

    x4, x8, and x16 PXI Express or PXI Express hybrid slots

    Maximum Power Requirements


    Power requirements are dependent on the adapter module and contents of the LabVIEW FPGA VI used in your application.

    +3.3 VDC (±5%)

    3 A

    +12 V

    3 A


    Dimensions (not including connectors)

    18.8 cm × 12.9 cm (7.4 in. × 5.1 in.)


    190 g (6.7 oz)


    Clean the hardware with a soft, nonmetallic brush. Make sure that the hardware is completely dry and free of contaminants before returning it to service.

    Maximum Working Voltage


    Maximum working voltage refers to the signal voltage plus the common-mode voltage.


    0 V to 3.3 V, Measurement Category I


    0 V to 3.3 V, Measurement Category I


    Do not use this device for connecting to signals in Measurement Categories II, III, or IV.


    Maximum altitude

    2,000 m (800 mbar) (at 25 °C ambient temperature)

    Pollution Degree


    Indoor use only.

    Operating Environment

    Ambient temperature range

    0 °C to 55 °C (Tested in accordance with IEC 60068-2-1 and IEC 60068-2-2. Meets MIL-PRF-28800F Class 3 low temperature limit and MIL-PRF-28800F Class 2 high temperature limit.)

    Relative humidity range

    10% to 90%, noncondensing (Tested in accordance with IEC 60068-2-56.)

    Storage Environment

    Ambient temperature range

    -20 °C to 70 °C (Tested in accordance with IEC 60068-2-1 and IEC 60068-2-2. )

    Relative humidity range

    5% to 95%, noncondensing (Tested in accordance with IEC 60068-2-56.)

    Shock and Vibration

    Operating shock

    30 g peak, half-sine, 11 ms pulse (Tested in accordance with IEC 60068-2-27. Meets MIL-PRF-28800F Class 2 limits.)

    Random vibration


    5 Hz to 500 Hz, 0.3 grms (Tested in accordance with IEC 60068-2-64.)


    5 Hz to 500 Hz, 2.4 grms (Tested in accordance with IEC 60068-2-64. Test profile exceeds the requirements of MIL-PRF-28800F, Class 3.)

    Compliance and Certifications


    This product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:

    • IEC 61010-1, EN 61010-1
    • UL 61010-1, CSA C22.2 No. 61010-1

    For UL and other safety certifications, refer to the product label or the Online Product Certification section.

    Electromagnetic Compatibility

    This product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use:
    • EN 61326-1 (IEC 61326-1): Class A emissions; Basic immunity
    • EN 55011 (CISPR 11): Group 1, Class A emissions
    • EN 55022 (CISPR 22): Class A emissions
    • EN 55024 (CISPR 24): Immunity
    • AS/NZS CISPR 11: Group 1, Class A emissions
    • AS/NZS CISPR 22: Class A emissions
    • FCC 47 CFR Part 15B: Class A emissions
    • ICES-001: Class A emissions

    In the United States (per FCC 47 CFR), Class A equipment is intended for use in commercial, light-industrial, and heavy-industrial locations. In Europe, Canada, Australia, and New Zealand (per CISPR 11), Class A equipment is intended for use only in heavy-industrial locations.


    Group 1 equipment (per CISPR 11) is any industrial, scientific, or medical equipment that does not intentionally generate radio frequency energy for the treatment of material or inspection/analysis purposes.


    For EMC declarations, certifications, and additional information, refer to the Online Product Certification section.

    CE Compliance

    This product meets the essential requirements of applicable European Directives, as follows:

    • 2014/35/EU; Low-Voltage Directive (safety)
    • 2014/30/EU; Electromagnetic Compatibility Directive (EMC)

    Online Product Certification

    Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for this product, visit, search by model number or product line, and click the appropriate link in the Certification column.

    Environmental Management

    NI is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers.

    For additional environmental information, refer to the Minimize Our Environmental Impact web page at This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document.

    Waste Electrical and Electronic Equipment (WEEE)

    EU Customers  

    At the end of the product life cycle, all NI products must be disposed of according to local laws and regulations. For more information about how to recycle NI products in your region, visit



    National Instruments符合中国电子信息产品中限制使用某些有害物质指令(RoHS)。关于National Instruments中国RoHS合规性信息,请登录。(For information about China RoHS compliance, go to

    Worldwide Support and Services

    The NI website is your complete resource for technical support. At, you have access to everything from troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers.

    Visit for NI Factory Installation Services, repairs, extended warranty, and other services.

    Visit to register your NI product. Product registration facilitates technical support and ensures that you receive important information updates from NI.

    A Declaration of Conformity (DoC) is our claim of compliance with the Council of the European Communities using the manufacturer’s declaration of conformity. This system affords the user protection for electromagnetic compatibility (EMC) and product safety. You can obtain the DoC for your product by visiting If your product supports calibration, you can obtain the calibration certificate for your product at

    NI corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas, 78759-3504. NI also has offices located around the world. For telephone support in the United States, create your service request at or dial 1 866 ASK MYNI (275 6964). For telephone support outside the United States, visit the Worldwide Offices section of to access the branch office websites, which provide up-to-date contact information, support phone numbers, email addresses, and current events.

    • 1 The 136 channels span across three FPGA banks.

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