The Keysight U2354A is a 16-channel USB modular multifunction DAQ device engineered for measurement, testing, and data logging across design validation, manufacturing, and laboratory environments. It delivers 500 kSa/s sampling at 16-bit resolution with configurable analog input channels (16 single-ended or 8 differential), 24-bit digital I/O, and dual digital counters. High-speed USB 2.0 connectivity with USBTMC-USB488 compliance ensures efficient PC integration on Windows platforms.
Technical Specifications
Analog Input
• 16 single-ended or 8 differential multiplex channels
• 16-bit resolution
• 500 kSa/s maximum sampling rate
• Input voltage ranges: 10 V, 5 V, 2.5 V
• Accuracy: 10 V range—0.04% of reading + 1.5 mV; 5 V range—0.08% of reading + 1.5 mV; 2.5 V range—0.08% of reading + 1.0 mV
• Input current: 10 µA maximum
• Bandwidth: 400 kHz
• Trigger sources: All analog input channels, external analog trigger (EXTA_TRIG)
Digital I/O
• 24-bit programmable TTL input/output channels
• TTL/CMOS compatible
Digital Counters
• 2 general-purpose channels
• Maximum count: (2³¹ – 1) bits
Power & Interface
• USB-powered via direct PC connection
• Hi-Speed USB 2.0, USBTMC-USB488 standard
• Maximum input voltage: 12 V
• On-board reference: 5 V
– Key Features
• Compact form factor: 120 mm W × 182.4 mm D × 44 mm H; 2578 g gross weight
• Standalone operation or integration into U2781A USB modular chassis
• Optional U2901A or U2902A terminal blocks for simplified connections
• Polling mode operation supported
– Compatibility & Integration
Supported software environments include Keysight VEE, MATLAB R2007a, NI LabVIEW, and Microsoft Visual Studio. Bundled software includes Keysight Measurement Manager (AMM) for setup and data logging, plus Keysight BenchVue for test control and automation. Compatible with Microsoft Windows operating systems.


















