The Keithley DAS-1802ST-DA is a 12-bit multifunction I/O board engineered for real-time data acquisition and process control across laboratory, industrial automation, and monitoring environments. This PCI/ISA/PCMCIA form-factor instrument combines configurable analog input and output channels with discrete digital I/O, delivering continuous, gap-free acquisition at sampling rates up to 333 kS/s aggregate.
## Technical Specifications
**Analog Input**
• 16 single-ended or 8 differential channels
• 12-bit resolution
• Maximum aggregate sampling rate: 333 kS/s (312.5 kS/s multi-channel)
• Programmable gains: 1, 2, 4, 8
• Input ranges: ±10 V, ±5 V, ±2.5 V, ±1.25 V, 0–10 V, 0–5 V, 0–2.5 V, 0–1.25 V
• 1024-word FIFO buffer
• 256-position gain-channel queue for rapid range switching
**Analog Output**
• 2 channels, 12-bit resolution
• Output ranges: ±5 V, ±10 V (software programmable)
• D/A update speed: 500 kS/s
• Output drive current: ±15 mA max
**Digital I/O**
• 4 digital inputs and 4 digital outputs
• 50-pin D-type connector interface
## Key Features
Programmable burst-mode sampling emulates simultaneous sample-and-hold across multiple channels. Pre-, post-, and about-triggering modes enable flexible data capture around events of interest. The 256-entry gain-channel queue eliminates settling delays when switching between different input ranges and gains during high-speed acquisition.
## Typical Applications
Multi-channel sensor monitoring in industrial process control, waveform capture and transient analysis in research laboratories, precision analog control loops, and mixed-signal test automation.
## Compatibility & Integration
Optimized for Windows operating systems. Supplied with 32-bit DriverLINX® drivers and application software including ExceLINX™, VisualSCOPE™, TestPoint™, and LabVIEW™ support.
