The Keysight U2356A is a 64-channel USB modular multifunction DAQ device delivering simultaneous analog input/output, digital I/O, and counter functions in a compact form factor. Operating at up to 500 kSa/s with 16-bit analog input resolution and 8M points of onboard memory, it addresses applications spanning data logging, signal analysis, design validation, and closed-loop control systems. High-speed USB 2.0 connectivity and software compatibility across industry-standard development environments enable rapid integration into existing test infrastructure.
Technical Specifications
Analog Input
• 64 single-ended or 32 differential multiplexed channels
• 16-bit resolution
• 500 kSa/s maximum sampling rate
• 10 V maximum input voltage
• 10 µA maximum input current
• 1.3 MHz bandwidth
• 8M points onboard memory
Analog Output
• 2 channels
• 12-bit resolution
• 1 MSa/s update rate
• Arbitrary waveform generation capability
Digital I/O
• 24-bit programmable TTL input/output channels
• Relay, solenoid, and switch control integration
Counter Functions
• 2 general-purpose counter channels
Interface & Physical
• USB 2.0 with USBTMC-USB488 compliance
• 68-pin VHDCI connectors
• 182.4 mm × 120 mm × 44 mm; 565 g
• Operating temperature: 0°C to +55°C
• 120 V mains powered
– Key Features
• Burst-mode analog input acquisition for time-aligned sampling
• Self-calibration with offset adjustment
• Standalone or modular deployment configurations
– Typical Applications
• Multichannel sensor data acquisition and logging
• Transient signal capture and analysis
• Design validation and hardware-in-the-loop testing
• Real-time control and automation systems
– Compatibility & Integration
Supports Windows operating systems. Compatible with Keysight VEE, MATLAB R2007a, NI LabVIEW, and Microsoft Visual Studio. Includes BenchVue software license for instrument control and test automation.


















