Channel & Wiring Configuration

• 8-channel fully differential independent analog input
• Per-channel discrete amplifier circuit, no shared gain components
• Rear 96-pin shielded DIN connector for terminal block connection
• All channels multiplexed to one DAQ analog input channel via SCXI backplane
• Jumper configurable bias resistance for floating signal grounding

Programmable Gain & Input Range

• Software-selectable gain multiples: ×1, ×2, ×5, ×10, ×20, ×100, ×500
• Max differential input range: ±10 V across all gain settings
• Minimum measurable input: ±20 mV at ×500 maximum gain
• Slew rate: 15 V/μs for fast transient signal response

Bandwidth & Noise Parameters

• Full-power signal bandwidth: 2 MHz (-3dB)
• Input voltage noise density: 12 nV/√Hz
• Output voltage noise density: 75 nV/√Hz
• Channel crosstalk: <-85 dB at 1 kHz, <-60 dB at 100 kHz

Key Electrical Specifications

• Input impedance: 100 MΩ parallel with 20 pF per channel
• 60Hz CMRR: >110 dB; 1kHz CMRR: >100 dB
• Overvoltage protection: ±30 VDC powered on, ±15 VDC powered off
• Backplane power consumption: 3.4 W typical operating power
• Channel-to-channel isolation: 250 Vrms continuous isolation

Mechanical & Environmental Specifications

• Dimension: 172×86×32 mm, standard single-slot SCXI module
• Operating temperature: -20℃ ~ +70℃
• Storage temperature: -40℃ ~ +85℃
• Humidity: 10%–90% non-condensing

Compatibility Matching List

• Matched terminal block: SCXI-1304 AC/DC coupling terminal block
• Compatible chassis: SCXI-1000, SCXI-1001
• Compatible controllers: SCXI-1600, PCI/PXI SCXI bus adapters
• Official status: Obsolete, supplied for aftermarket replacement

Software Compatibility

• Drivers: NI-DAQmx, Traditional NI-DAQ
• Configuration tools: NI Measurement & Automation Explorer (MAX)
• Supported software: LabVIEW, LabWindows/CVI, Python DAQmx, C#

Pros & Limitations

• Pros: Wide 2 MHz dynamic bandwidth, ultra-low input noise, independent per-channel amplification, flexible AC/DC signal support via matched terminal block, robust common-mode interference suppression
• Limitations: No onboard anti-aliasing filter, no built-in cold junction compensation, not applicable for direct thermocouple low-frequency measurement