The VXI Technology VM3618 is a modular DAC instrument for VXIbus systems, delivering eight independent, isolated 16-bit analog outputs in a single-wide C-size slot. Each channel operates at 16-bit resolution with 15-bit monotonicity, supporting multiple programmable voltage ranges (±10 V, ±16 V, 0–20 V, 0–32 V) and ±20 mA current output. Channels can be series-connected to extend ranges to 0–64 V or ±32 V per output pair. The module integrates into VMIP™ architecture, enabling up to 24 isolated DAC channels within a single slot when combined with additional VMIP modules.
Technical Specifications
• Output Channels: 8 independent, isolated 16-bit DAC channels
• Resolution: 16 bits; 15 bits monotonic
• Voltage Output Ranges: ±10 V, ±16 V, 0–20 V, 0–32 V (programmable per channel)
• Current Output: ±20 mA maximum (normal operation); 50 mA maximum (short circuit, continuous duration)
• Slew Rate: 3 V/µs (with 20 mA load)
• Isolation: 100 V rms, 150 V dc/ac peak
• Data Access Throughput: ~10 µs (direct register-based)
– Key Features
• Programmable output ranges per channel for flexible signal generation
• Series-connectable channels for extended voltage ranges
• Three programming modes: SCPI-compatible message-based, direct register-based, and pseudo-register-based access
• VXIplug&play driver support
• Front-panel TTL trigger input (edge-sensitive, rising/falling programmable)
• VXI TTL trigger bus integration
• Continuous short-circuit protection at 50 mA per channel
– Typical Applications
Precise analog signal generation for automated test systems, mixed-signal validation, multi-channel stimulation in modular instrumentation platforms, and high-density VXI-based measurement systems.
– Compatibility & Integration
VXIbus-based systems with VMIP module support. SCPI programming standard. VXI trigger bus integration for synchronized multi-module operation.
