The Keysight U2353A is a 16-channel USB modular multifunction data acquisition device that delivers 500 kSa/s sampling at 16-bit resolution for design validation, manufacturing test, and real-time monitoring applications. It operates as a standalone instrument or integrates into a U2781A USB modular chassis, supporting both analog input/output and digital I/O in a compact 182.4 mm × 120 mm × 44 mm form factor.
Technical Specifications
• Analog Input: 16 single-ended or 8 differential multiplexed channels, 16-bit resolution, 500 kSa/s maximum sampling rate, 400 kHz bandwidth
• Analog Output: 2 channels, 16-bit resolution, 1 MSa/s update rate with arbitrary waveform capability
• Digital I/O: 24-bit programmable TTL channels; 2 general-purpose counter channels
• Memory: 8M points onboard
• Input Specifications: Maximum 12 V, maximum 10 µA input current
• Reference Voltage: 5 V onboard with ±2 ppm/°C temperature drift and ±6 ppm/1000 hrs stability
• Self-Calibration: Included
• Operating Temperature: 0°C to +55°C
• Weight: 565 g
– Key Features
• High-speed USB 2.0 interface (USBTMC-USB488 compliant)
• Burst mode for simultaneous analog input acquisition simulation
• Predefined and arbitrary waveform output for stimulus and closed-loop feedback applications
• Digital control for switches, relays, and solenoids
• Hot-swap and plug-and-play module operation in chassis configuration
• Self-contained operation or modular expansion capability
– Typical Applications
• Data logging and long-term monitoring
• Design validation and characterization
• Manufacturing test and production verification
• Closed-loop control and feedback systems
– Compatibility & Integration
• Windows operating system support
• SCPI and IVI-COM driver architecture
• Development environments: Keysight VEE, MATLAB R2007a, NI LabVIEW, Microsoft Visual Studio (VB, C++, C#)
• Bundled Keysight Measurement Manager software and BenchVue license (BV0025B)
• U2781A chassis integration for multi-module systems


















