Are you looking for a reliable 16-Channel Analog Output Module for your test and measurement applications? Our PXI4685L delivers exceptional performance with 16-bit resolution across all channels. This advanced module provides the precision and flexibility you need for complex testing scenarios. Whether you're developing aerospace systems or industrial automation, our product ensures accurate signal generation every time.
The PXI4685L represents cutting-edge analog output technology designed for demanding test environments. Built on the robust PXI bus architecture, this module delivers superior performance for applications requiring multiple high-precision excitation sources.
Our module combines versatility with reliability. You get 16 independent analog output channels working alongside two 32-bit timers/counters. The design includes eight general-purpose digital I/O channels and 16 programmable digital I/O channels for comprehensive testing capabilities.
The compact 3U single-slot design maximizes your system efficiency. You can integrate multiple modules without consuming excessive rack space. This makes it perfect for both laboratory setups and field testing applications.
| Parameter | Specification |
|---|---|
| Model | PX14685L |
| Channels | 16 analog output |
| Resolution | 16-bit |
| Coupling | DC |
| Output Impedance | ≤ 2Ω |
| Update Rate | 800kS/s (independent) |
| Output Range | ±10V, ±5V, ±2EXT_REF |
| Drive Current | ±5mA maximum |
| Accuracy | < 0.1% × Set Voltage ±1mV |
| DIO Channels | 8 |
| PFI Channels | 16 |
| Timers | 2 × 32-bit |
| Operating Temp | -10℃ to +55℃ |
| Operating Humidity | 10%-90% non-condensing |
| Form Factor | PXI 3U single slot |
Your testing requirements demand versatile solutions. This module excels in multiple industry applications:
Aerospace and Defense: Generate precise control signals for avionics testing. Simulate flight conditions with accurate analog outputs.
Automotive Testing: Create complex waveforms for ECU validation. Test sensor responses across multiple channels simultaneously.
Industrial Automation: Provide reference voltages for calibration procedures. Control actuators with precise analog commands.
Research and Development: Support prototype testing with flexible output configurations. Generate custom test signals for experimental setups.
The module's advanced functionality sets it apart from basic output cards. You benefit from independent channel operation with simultaneous updates across all 16 outputs. The integrated timers provide precise timing control for synchronized operations.
External reference capability allows integration with existing test systems. The PLL reference clock ensures stable timing relationships. Short circuit protection safeguards your equipment and test devices.
The TTL/CMOS compatible digital channels expand your testing options. You can control external equipment while generating analog signals. This integrated approach simplifies complex test setups.
High Channel Density: Sixteen independent outputs in a single slot maximize system efficiency.
Precision Output: 16-bit resolution ensures accurate signal generation for demanding applications.
Flexible Ranges: Multiple output ranges accommodate various test requirements without external conditioning.
Robust Protection: Built-in short circuit protection prevents damage during fault conditions.
Synchronization Ready: PXI trigger integration enables coordinated multi-module operations.
Low Impedance Drive: Strong output drive capability maintains signal integrity with various loads.
MXTD understands that standard solutions don't always meet unique requirements. Our engineering team works closely with you to develop customized variants of the 16-Channel Analog Output Module.
We can modify output ranges, add specialized filtering, or integrate custom connectors. Our flexible manufacturing approach accommodates both small-scale prototypes and volume production runs.
Your specific timing requirements receive special attention. We can optimize update rates or add specialized trigger configurations. This ensures seamless integration with your existing test infrastructure.

With over 12 years of industry experience, MXTD delivers proven expertise in measurement and control systems. Our comprehensive approach covers everything from initial design through ongoing support.
Expert Engineering: Our skilled R&D team brings deep technical knowledge to every project. Continuous innovation ensures you receive the latest technology advances.
Quality Assurance: Strict manufacturing processes guarantee consistent product performance. Every module undergoes thorough testing before shipment.
Responsive Support: Our after-sales team provides rapid assistance when you need it. Regular follow-ups ensure your continued satisfaction.
Reliable Delivery: Trusted logistics partnerships ensure safe, timely delivery with full tracking and insurance coverage.


Q: Can this module work with existing NI systems?
A: Yes, our design meets NI compatibility requirements for seamless integration.
Q: What software support is available?
A: We provide comprehensive drivers and programming examples for popular development environments.
Q: Is custom calibration available?
A: Absolutely. We can provide factory calibration certificates and custom calibration procedures.
Q: How many modules can I use together?
A: Multiple modules synchronize perfectly for applications requiring more than 16 channels.
Ready to enhance your test capabilities? Our technical team is standing by to discuss your specific requirements. We'll help you configure the perfect solution for your application.
Contact us today at manager03@mxtdinfo.com to learn more about our 16-Channel Analog Output Module and custom engineering services.
Our customers’ satisfaction speaks for our quality — contact us to experience the same reliable service.