PXIe-4480 Specifications
- Updated2025-07-18
- 19 minute(s) read
PXIe-4480 Specifications
Definitions
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 performance met by a majority of models.
- Nominal specifications describe an attribute that is based on design, conformance testing, or supplemental testing.
Specifications are Typical unless otherwise noted.
Conditions
Specifications are valid for the range 0 °C to 55 °C unless otherwise noted.
PXIe-4480 Pinout
| Signal | Reference | Description |
|---|---|---|
| AI <0..5>+, AI <0..5>- | — | Analog Input Channel—AI+ and AI- are the positive and negative inputs of the differential analog channel. |
| EX <0..5>+ | EX <0..5> GND | Voltage Excitation—EX+ is the positive terminal of the voltage excitation channel. |
| EX <0..5> GND | — | Voltage Excitation Ground—Ground terminal of the voltage excitation channels. |
| GND | — | Ground—Ground terminal. |
| NC | — | Not Connected—These pins have no functionality. |
| RESERVED | — | Reserved for accessories or other use. |
| PFI 0 | GND | Programmable Function Interface—A digital trigger input. |
| LED Color | Status |
|---|---|
| Green | The module is ready to be accessed by software. |
| Amber | The module is being accessed. The ACCESS LED flashes amber for 75 ms when the module is accessed. |
| Off | The module is not yet functional, or has detected a problem with a power rail. |
| LED Color | Status |
|---|---|
| Red | An error has been detected by hardware. Clear the error by resetting the module. |
| Blinking Amber/Green | The module is changing reference clock timebase. |
| Green | An acquisition has been triggered, and the module is currently acquiring data. |
| Amber | The module is waiting for a trigger event to start an acquisition. |
| Off | The moodule is not acquiring or preparing to acquire data. |
Input Characteristics
Number of simultaneously sampled input channels | 6 | ||||||
Measurement types | Voltage or Charge, each channel independently software-selectable | ||||||
| |||||||
| |||||||
ADC modulator sample rate | 20 MSample/s |
FIFO buffer size | 1,023 samples per task + 8,221 samples per channel in task |
Data transfers | Direct Memory Access (DMA), Programmed I/O |
Common-Mode Range (Voltage)
| Input | Configuration | |
|---|---|---|
| Differential (V peak)* | Pseudodifferential (V peak)* | |
| Positive input (+) | ±10 | ±10 |
| Negative input (-) | ±10 | ±10 |
| * Voltages with respect to chassis ground. | ||
Signal Range (Voltage)
| Range (V) * | Full-Scale Input, Minimum | |
|---|---|---|
| V peak | V RMS † | |
| 10 | ±10.0‡ | 7.07‡ |
| 5 | ±5.0 | 3.53 |
| 1 | ±1.0 | 0.707 |
| 0.5 | ±0.5 | 0.353 |
|
* Each input channel range is independently software-selectable. † Sine input. ‡ Typical. |
||
Signal Range (Charge)
| Range (pC) * | Full-Scale Input, Minimum | |
|---|---|---|
| Q peak (pC) | Q RMS (pC)† | |
| 20,000 | ±20,000‡ | 14,140‡ |
| 10,000 | ±10,000 | 7,070 |
| 2,000 | ±2,000 | 1,414 |
| 1,000 | ±1,000 | 707 |
|
* Each input channel range is independently software-selectable. † Sine input. ‡ Typical. |
||
Overvoltage Protection (Voltage)
| Input | Configuration | |
|---|---|---|
| Differential (V peak)* | Pseudodifferential (V peak)* | |
| Positive input (+) | ±30 | ±30 |
| Negative input (-) | ±30 | ±10 |
|
* Voltages with respect to chassis ground. |
||
Overvoltage Protection (Charge)
| Input | Voltage (V peak)* |
|---|---|
| Positive input (+) | ±15 |
| Negative input (-) | None |
|
* Voltages with respect to chassis ground. |
|
Overvoltage Protection (Unpowered)
| Input | Voltage (V peak)* |
|---|---|
| Positive input (+) | ±15 |
| Negative input (-) | ±15 |
|
* Voltages with respect to chassis ground. |
|
Transfer Characteristics
Offset (Residual DC)
| Range (V) | DC-Coupled Offset (±mV)*, Maximum (Typical) | AC-Coupled Offset (±mV)†, Typical, 25 °C | AC-Coupled Offset (±mV)†, Maximum, 55 °C |
|---|---|---|---|
| 10 | 5.0 (2.0) | 1.1 | 7.0 |
| 5 | 2.2 (1.0) | 0.6 | 5.0 |
| 1 | 0.8 (0.5) | 0.3 | 4.2 |
| 0.5 | 0.65 (0.4) | 0.3 | 4.2 |
|
* Source impedance ≤ 50 Ω. † Applied DC bias ≤ 15 V. |
|||
Gain Amplitude Accuracy
| |||||
| |||||
Amplifier Characteristics
Input Impedance (Voltage)
| Input Impedance | Configuration | |
|---|---|---|
| Differential | Pseudodifferential | |
| Between positive input and chassis ground | 1.62 MΩ || 200 pF | 1.62 MΩ || 200 pF |
| Between negative input and chassis ground | 1.62 MΩ || 200 pF | 50 Ω |
Common-Mode Rejection Ratio (CMRR)
| Range (V) | DC-Coupled CMRR (dBc)*, † | AC-Coupled CMRR (dBc)*, ‡ |
|---|---|---|
| 10 | 60 | 60 |
| 5 | 70 | 70 |
| 1 | 85 | 80 |
| 0.5 | 90 | 80 |
|
* ƒin ≤ 1 kHz. † Differential configuration. ‡ ƒin = 50 Hz or 60 Hz. |
||
Dynamic Characteristics
Bandwidth and Alias Rejection
Alias-free bandwidth (BW) (passband) | DC to 0.403 ƒs |
Alias rejection | 120 dBc minimum, 0.597 ƒs < ƒin < 19.25375 MHz |
Filter Delay
AC Coupling (Voltage)
-3 dB cutoff frequency | 0.49 Hz |
-0.1 dB cutoff frequency | 3.2 Hz |
AC Coupling (Charge)
-3 dB cutoff frequency | 2.2 Hz |
-0.1 dB cutoff frequency | 13.5 Hz |
Gain Flatness (Voltage)
| Range (V) | ƒs = 1.25 MSamples/s | ||||
|---|---|---|---|---|---|
| DC-Coupled Flatness (dB)*, Maximum (Typical) | |||||
| ƒin = 20 Hz to 20 kHz | ƒin > 20 kHz to 50 kHz | ƒin > 50 kHz to 100 kHz | ƒin > 100 kHz to 200 kHz | ƒin > 200 kHz to 500 kHz | |
| 10 | ±0.007 (±0.001) | ±0.013 (±0.003) | ±0.03 (±0.003) | ±0.11 (±0.005) | (±0.025) |
| 5 | ±0.007 (±0.001) | ±0.013 (±0.003) | ±0.03 (±0.0035) | ±0.11 (±0.0055) | (±0.04) |
| 1 | ±0.007 (±0.001) | ±0.016 (±0.004) | ±0.057 (±0.022) | ±0.22 (±0.1) | (±0.6) |
| 0.5 | ±0.008 (±0.002) | ±0.025 (±0.012) | ±0.094 (±0.055) | ±0.36 (±0.23) | (±1.25) |
| * Relative to 1 kHz. | |||||
| Range (V) | ƒs = 1.25 MSamples/s | |||||
|---|---|---|---|---|---|---|
| AC-Coupled Flatness (dB)*, Maximum (Typical) | ||||||
| ƒin ≤ 25 Hz | ƒin > 25 Hz to 20 kHz | ƒin > 20 kHz to 50 kHz | ƒin > 50 kHz to 100 kHz | ƒin > 100 kHz to 200 kHz | ƒin > 200 kHz to 500 kHz | |
| 10 | Refer to the following figure. | ±0.007 (±0.001) | ±0.013 (±0.003) | ±0.03 (±0.003) | ±0.11 (±0.005) | (±0.025) |
| 5 | Refer to the following figure. | ±0.007 (±0.001) | ±0.013 (±0.003) | ±0.03 (±0.0035) | ±0.11 (±0.0055) | (±0.04) |
| 1 | Refer to the following figure. | ±0.007 (±0.001) | ±0.016 (±0.004) | ±0.057 (±0.022) | ±0.22 (±0.1) | (±0.6) |
| 0.5 | Refer to the following figure. | ±0.008 (±0.002) | ±0.025 (±0.012) | ±0.094 (±0.055) | ±0.36 (±0.23) | (±1.25) |
| * Relative to 1 kHz. | ||||||
Gain Flatness (Charge)
| Range (pC) | ƒs = 1.25 MSample/s | |||||
|---|---|---|---|---|---|---|
| Flatness (dBc)*, † | ||||||
| ƒin≤ 60 Hz | ƒin > 60 Hz to 20 kHz | ƒin > 20 kHz to 50 kHz | ƒin > 50 kHz to 100 kHz | ƒin > 100 kHz to 200 kHz | ƒin > 200 kHz to 500 kHz | |
| 20,000 | Refer to the following figure. | ±0.001 | ±0.003 | ±0.003 | ±0.005 | ±0.025 |
| 10,000 | Refer to the following figure. | ±0.001 | ±0.003 | ±0.0035 | ±0.0055 | ±0.04 |
| 2,000 | Refer to the following figure. | ±0.001 | ±0.004 | ±0.022 | ±0.1 | ±0.6 |
| 1,000 | Refer to the following figure. | ±0.002 | ±0.012 | ±0.055 | ±0.23 | ±1.25 |
|
* Relative to 1 kHz. † Charge filter OFF. |
||||||
Charge Measurement Filter
OFF | None |
ON | 2nd order, 30 kHZ low-pass filter |
Interchannel Gain Mismatch (Voltage)
| Range (V) | AC/DC-Coupled Mismatch (dB)*, Maximum, (Typical) | AC-Coupled Mismatch (dB)*, Maximum (Typical) | |||
|---|---|---|---|---|---|
| ƒin = 20 Hz to 20 kHz | ƒin > 20 kHz to 50 kHz | ƒin > 50 kHz to 100 kHz | ƒin = 5 Hz | ƒin = 10 Hz | |
| 10 | 0.011 (0.005) | 0.011 (0.005) | 0.011 (0.005) | 0.019 (0.009) | 0.015 (0.007) |
| 5 | 0.013 (0.006) | 0.013 (0.006) | 0.013 (0.006) | ||
| 1 | 0.015 (0.007) | 0.015 (0.007) | 0.019 (0.009) | ||
| 0.5 | 0.015 (0.007) | 0.017 (0.008) | 0.034 (0.017) | ||
| * Identical channel configurations. | |||||
Interchannel Phase Mismatch (Voltage)
| Range (V) | AC/DC-Coupled Mismatch*, Maximum, (Typical) | AC-Coupled Mismatch*, Maximum (Typical) | |||
|---|---|---|---|---|---|
| ƒin = 20 Hz to 20 kHz | ƒin > 20 kHz to 50 kHz | ƒin > 50 kHz to 100 kHz | ƒin = 5 Hz | ƒin = 10 Hz | |
| 10 | 0.02° (0.01°) | 0.05° (0.025°) | 0.1° (0.05°) | 0.34° (0.17°) | 0.17° (0.09°) |
| 5 | 0.04° (0.02°) | 0.10° (0.05°) | 0.2° (0.1°) | ||
| 1 | 0.24° (0.12°) | 0.60° (0.30°) | 1.2° (0.6°) | ||
| 0.5 | 0.38° (0.19°) | 0.96° (0.48°) | 1.9° (0.95°) | ||
| * Identical channel configurations. | |||||
- For gain matching, all modules must be properly warmed up. Refer to the Environmental section for the specified warm-up time.
-
For phase matching, all modules must be synchronized to a common timebase. To the listed specifications, add the following error: 360° × ƒin × clock skew. Refer to the Timing and Synchronization section for the maximum intermodule clock skew.
Idle Channel Noise (Voltage)
| Range (V) | Idle Channel Noise (µV RMS)* | ||
|---|---|---|---|
| ƒs = 51.2 kSample/s | ƒs = 204.8 kSample/s | ƒs = 1.25 MSample/s | |
| 10 | 16 | 32 | 87 |
| 5 | 6.5 | 13 | 35 |
| 1 | 1.8 | 3.6 | 9.1 |
| 0.5 | 1.5 | 3.0 | 7.1 |
| * Source impedance ≤ 50 Ω. | |||
Dynamic Range (Voltage)
| Range (V) | Dynamic Range (dBFS)*, † | ||
|---|---|---|---|
| ƒs = 51.2 kSample/s | ƒs = 204.8 kSample/s | ƒs = 1.25 MSample/s | |
| 10 | 113 | 107 | 98 |
| 5 | 115 | 109 | 100 |
| 1 | 112 | 106 | 98 |
| 0.5 | 107 | 101 | 94 |
|
* 1 kHz tone, -60 dBFS input amplitude. † Source impedance ≤ 50 Ω. |
|||
Idle Channel Noise (Charge)
| Range (pC) | Idle Channel Noise (ƒC RMS)* | ||
|---|---|---|---|
| ƒs = 51.2 kSample/s | ƒs = 204.8 kSample/s | ƒs = 1.25 MSample/s | |
| 20,000 | 32 | 64 | 174 |
| 10,000 | 16 | 30 | 75 |
| 2,000 | 13 | 18 | 25 |
| 1,000 | 13 | 18 | 25 |
|
* Charge filter OFF. |
|||
Representative Measurement FFTs (1 kHz)
Test conditions for all FFTs: Unaveraged computation of 1.6 million samples, differential input configuration.
Representative Measurement FFTs (10 kHz)
Test conditions for all FFTs: Unaveraged computation of 1.6 million samples, differential input configuration.
Spurious Free Dynamic Range (Voltage)
| Range (V) | SFDR (dBC)*, †, ‡ | ||
|---|---|---|---|
| ƒs = 51.2 kSample/s | ƒs = 204.8 kSample/s | ƒs = 1.25 MSample/s | |
| 10 | 100 | 100 | 100 |
| 5 | 100 | 100 | 100 |
| 1 | 100 | 100 | 94 |
| 0.5 | 100 | 100 | 88 |
|
* 1 kHz input tone, input amplitude is -3 dBFS. † Differential configuration. ‡ Evaluation BW = 10 Hz to 0.4 ƒs |
|||
Total Harmonic Distortion (THD), Balanced Source
| Range (V) | THD (dBC)*, † | ||||
|---|---|---|---|---|---|
| ƒs = 51.2 kSample/s | ƒs = 204.8 kSample/s | ||||
| ƒin = 1 kHz | ƒin = 20 Hz to 20 kHz | ƒin = 1 kHz | ƒin = 20 Hz to 20 kHz | ƒin > 20 kHz to 80 kHz | |
| 10, 5, 1, 0.5 | -100 | -100 | -100 | -98 | -96 |
|
* Input amplitude is -3 dBFS. † Differential configuration. |
|||||
| Range (V) | THD (dBC)*, † | ||||
|---|---|---|---|---|---|
| ƒs = 1.25 MSample/s | |||||
| ƒin = 1 kHz | ƒin = 10 kHz | ƒin = 20 Hz to 20 kHz | ƒin > 20 kHz to 50 kHz | ƒin > 50 kHz to 100 kHz | |
| 10, 5, 1, 0.5 | -100 | -99 | -98 | -95 | -90 |
|
* Input amplitude is -3 dBFS. † Differential configuration. |
|||||
Total Harmonic Distortion (THD), Unbalanced Source
| Range (V) | THD (dBC)*, † | ||||
|---|---|---|---|---|---|
| ƒs = 51.2 kSample/s | ƒs = 204.8 kSample/s | ||||
| ƒin = 1 kHz | ƒin = 20 Hz to 20 kHz | ƒin = 1 kHz | ƒin = 20 Hz to 20 kHz | ƒin > 20 kHz to 80 kHz | |
| 10 | -100 | -97 | -100 | -90 | -85 |
| 5, 1, 0.5 | -100 | -100 | -100 | -97 | -96 |
|
* Input amplitude is -3 dBFS. † Pseudodifferential configuration. |
|||||
| Range (V) | THD (dBC)*, † | ||||
|---|---|---|---|---|---|
| ƒs = 1.25 MSample/s | |||||
| ƒin = 1 kHz | ƒin = 10 kHz | ƒin = 20 Hz to 20 kHz | ƒin > 20 kHz to 50 kHz | ƒin > 50 kHz to 100 kHz | |
| 10 | -100 | -95 | -90 | -81 | -74 |
| 5, 1, 0.5 | -100 | -98 | -97 | -92 | -81 |
|
* Input amplitude is -3 dBFS. † Pseudodifferential configuration. |
|||||
Crosstalk, Input Channel Separation
| Range (V) | Crosstalk (dBC)*, † | |
|---|---|---|
| ƒin = 1 kHz | ƒin = 100 kHz | |
| 10, 5, 1, 0.5 | -140 | -100 |
|
* Input amplitude is -1 dBFS. † Source impedance is ≤ 50 Ω |
||
Voltage Reference
DC level | 4,096 V |
Temperature coefficient | 5 ppm/°C maximum |
Time stability | 20 ppm/1,000 hr |
IEPE Excitation
| |||||||||||
Each channel independently software-selectable.
Voltage compliance | 22 V |
CommonMode is the common-mode voltage seen by the input channel,
Bias is the DC bias voltage of the sensor,
FullScale is the AC full-scale voltage of the sensor, and
Excitation is the selected excitation setting.
Channel input impedance with IEPE enabled | 1.62 MΩ || 250 pF, pseudodifferential |
Transducer Electronic Data Sheet
Supports Transducer Electronic Data Sheet (TEDS) according to the IEEE 1451 Standard | Class I, all module inputs |
Maximum load capacitance | 10,000 pF |
Voltage Excitation
| |||||||||||||
Each channel independently software-selectable.
Frequency Timebase Characteristics
| |||||||
Timing and Synchronization
Number of timing engines[5]5 Two timing engines are dedicated to analog input and two timing engines are dedicated to analog output. Channels can be arbitrarily grouped and assigned to timing engines of the same channel type. Timing engines can be independently synchronized, started, and stopped. All timing engines must use the same reference clock source. Refer to the module user manual for more details on the assignment of timing engines. | 3 | ||||||
Reference clock source | Onboard clock, backplane PXIe_CLK100 | ||||||
| |||||||
Triggers
| |||||||||||||
| |||||||||||||
Output Timing Signals
Sources | Start Trigger Out, Reference Trigger Out, Sync Pulse Out |
Destinations | PFI0, PXI_Trig<0..7>, PXIe_DStarC |
Polarity | Software-selectable except for Sync Pulse Out (always active low) |
PFI0 (Front Panel Digital Trigger)
| |||||||||||||||
| |||||||||||||||
Time Domain Mode
Base sample rate | 20 MSample/s | ||||||||||
Sample rate decimation[8]8 Time domain mode always operates and filters at the base sample rate of 20 MSample/s. Users may request a slower sample rate that the module will create by dropping samples to decimate down to the requested rate. | Base sample rate divided by integers 1 to 15 | ||||||||||
| |||||||||||
| |||||||||||
General Specifications
Bus Interface
Form factor | x4 PXI Express peripheral module, Specification rev. 1.0 compliant |
Slot compatibility | PXI Express or PXI Express hybrid slots |
DMA channels | 3, analog input |
Power Requirements
| Voltage (V) | Current (A), Maximum (Typical) |
|---|---|
| +3.3 | 2.0 (1.5) |
| +12 | 3.0 (2.5) |
Physical
Clean the hardware with a soft, nonmetallic brush. Make sure that the hardware is completely dry and free from contaminants before returning it to service.
Dimensions (not including connectors) | 16 cm x 10 cm (6.3 in. x 3.9 in.) 3U CompactPCI slot |
Analog input connector | InfiniBand 12x |
Digital trigger connector (PFI0) | SMB male |
Front-panel LEDs | 2 (Access, Active) |
Weight | 264 g (9.3 oz) |
Measurement Category | 1[10]10 Measurement Categories CAT I and CAT O are equivalent. These test and measurement circuits are not intended for direct connections to the MAINS building installations of Measurement Categories CAT II, CAT III, CAT IV. |
Environmental
Operating Environment
Ambient temperature range | 0 °C to 55 °C (Tested in accordance with IEC 60068-2-1 and IEC 60068-2-2.) |
Relative humidity range | 10% to 90%, noncondensing (Tested in accordance with IEC 60068-2-56.) |
Altitude | 2,000 m (800 mbar) |
Pollution degree | 2 |
Indoor use only.
Storage Environment
Ambient temperature range | -40 °C to 71 °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
Operational shock | 30 g peak, half-sine, 11 ms pulse (Tested in accordance with IEC-60068-2-27. Test profile developed in accordance with MIL-PRF-28800F.) | ||||||
| |||||||
Calibration
External calibration interval | 2 years |
Warm-up time | 15 minutes |
Safety Compliance Standards
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
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; Controlled 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
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)
Product Certifications and Declarations
Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for NI products, visit ni.com/product-certifications, search by model number, and click the appropriate link.
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 Engineering a Healthy Planet web page at ni.com/environment. This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document.
EU and UK Customers
电子信息产品污染控制管理办法(中国RoHS)
NI Services
Visit ni.com/support to find support resources including documentation, downloads, and troubleshooting and application development self-help such as tutorials and examples.
Visit ni.com/services to learn about NI service offerings such as calibration options, repair, and replacement.
Visit ni.com/register to register your NI product. Product registration facilitates technical support and ensures that you receive important information updates from NI.
NI corporate headquarters is located at 11500 N Mopac Expwy, Austin, TX, 78759-3504, USA.
1 Dependent on the sample rate. Refer to the PXIe-4480/4481 User Manual for more information.
2 Digital filter delay is compensated to 0 ns by default and adjustable in software.
3 Voltage between positive input (+) and negative input (-).
4 Excludes the effect of external cable resistance.
5 Two timing engines are dedicated to analog input and two timing engines are dedicated to analog output. Channels can be arbitrarily grouped and assigned to timing engines of the same channel type. Timing engines can be independently synchronized, started, and stopped. All timing engines must use the same reference clock source. Refer to the module user manual for more details on the assignment of timing engines.
6 Valid between PXIe-4480 modules installed in the same chassis. Between PXIe-4480 modules in different chassis, add the potential skew in the PXI_CLK10 clock distribution. Refer to the appropriate chassis documentation for its clock skew specifications.
7 Listed accuracy is valid for 30 days following a timebase change. Ttb = ambient temperature at which the timebase source was last changed.
8 Time domain mode always operates and filters at the base sample rate of 20 MSample/s. Users may request a slower sample rate that the module will create by dropping samples to decimate down to the requested rate.
9 Digital filter is user-programmable. Refer to the PXIe-4480/4481 User Manual for more details.
10 Measurement Categories CAT I and CAT O are equivalent. These test and measurement circuits are not intended for direct connections to the MAINS building installations of Measurement Categories CAT II, CAT III, CAT IV.