The Keysight 34951A is a 4-channel isolated digital-to-analog converter module for the 34980A Multifunction Switch/Measure Unit. It delivers precise analog signal generation with DC voltage outputs up to ±16 V, DC current outputs up to ±20 mA, and point-to-point arbitrary waveform generation from an on-board memory bank exceeding 500,000 points. Each channel updates at 200 kHz with 16-bit resolution and 500 µV voltage output resolution. The module’s electronically isolated channels can be stacked or combined to reach ±64 V, making it ideal for bias voltage sourcing, programmable power supply control, and test system automation. Hardware remote sensing on voltage outputs compensates for lead drops in precision applications.
Technical Specifications
• Channels: 4 isolated analog outputs
• Output Voltage: ±16 V DC, 500 µV resolution
• Output Current: ±20 mA DC
• Resolution: 16 bits
• Update Rate: 200 kHz per channel
• Waveform Memory: Over 500,000 points, dynamically allocated across one or more channels
• Waveform Capability: Standard and user-defined arbitrary waveforms, point-to-point generation
• Channel Isolation: Electronic isolation; multiple modules can stack or combine for ±64 V operation
• Remote Sensing: Hardware remote-sensing capability on voltage outputs
– Key Features
• Four independent isolated output channels eliminate ground-loop interference
• Large waveform memory permits complex signal sequences without host processor intervention
• Flexible memory allocation allows optimization for single-channel high-resolution or multi-channel concurrent output scenarios
• Channel stacking supports extended voltage ranges beyond ±16 V
• Remote sensing provides load-independent voltage accuracy
– Typical Applications
• Bias voltage and offset sourcing
• Programmable power supply control and setpoint establishment
• Control system actuation and stimulus generation
• Precision waveform generation for automated test sequences
– Compatibility & Integration
The 34951A installs as a plug-in module in any of the eight slots of the 34980A Multifunction Switch/Measure Unit mainframe. Refer to 34980A documentation for per-channel current ratings at specified voltages and environmental operating conditions.
