The PXI4389L is a multifunction data acquisition card based on the PXI bus architecture, designed for high-density and high-accuracy analog signal measurement. It supports up to 64 single-ended or 32 differential analog input channels with a 16-bit ADC, enabling precise multi-channel data acquisition.
The module integrates two 32-bit counters and supports both analog and digital triggering, making it suitable for complex measurement and control applications. With flexible configuration options and a compact PXI form factor, the PXI4389L is ideal for automated test systems requiring reliable and scalable data acquisition.
The PXI4389L provides a powerful and flexible data acquisition solution for PXI-based test platforms. By combining high channel density, accurate analog measurement, and advanced triggering capabilities, it significantly improves system integration efficiency and reduces overall system complexity.
Its shared sampling architecture, large onboard memory, and support for multiple input ranges make it well suited for both laboratory and industrial measurement environments.
| Parameter | Specification |
|---|---|
| Model | PXI4389L |
| Channel Count | 64 SE / 32 DI |
| Resolution | 16-bit |
| Coupling | DC or Ground |
| Sampling Rate | 300 kSa/s (shared across channels) |
| Input Voltage Ranges | ±10 V, ±5 V, ±2 V, ±1 V |
| Input Impedance | > 50 MΩ |
| Number of Counters | 2 |
| Counter Resolution |
32-bit |
| Logic Levels | TTL/CMOS (5 V compatible) |
| Trigger Types | Software trigger, external digital trigger, analog trigger |
| Analog Trigger Resolution | 10-bit |
| Operating Temperature | –10°C to +55°C |
| Storage Temperature | –40°C to +70°C |
| Operating Humidity | 10%–90%, non-condensing |
MXTD offers customization services for PXI data acquisition cards, including:
Our engineers can tailor the PXI4389L to meet specific test and measurement requirements.



Q: Can all 64 channels be sampled simultaneously?
A: The PXI4389L uses a shared sampling architecture with a total sampling rate of 300 kSa/s across all channels.
Q: Does the module support both analog and digital triggering?
A: Yes, it supports software, analog, and digital triggering, including PXI trigger lines.
Q: Is the PXI4389L compatible with standard PXI chassis?
A: Yes, it fully complies with PXI standards and works with standard PXI chassis and controllers.
Ready to build a high-channel-count PXI data acquisition system with reliable measurement accuracy?
Our technical experts are ready to help you select the right PXI DAQ configuration or design a customized solution for your application. Whether you need a standard PXI acquisition card or a tailored system, MXTD is here to support your testing goals.
Contact our technical specialists at manager03@mxtdinfo.com
Let us show you how the PXI4389L Multifunction Data Acquisition Card can enhance measurement efficiency and accuracy across your PXI-based test projects.
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