The NI PCI-6703 is a static analog voltage output board that delivers precise DC setpoint control across 16 independent channels. Built for industrial and laboratory applications requiring stable voltage generation, it combines high-resolution analog outputs with general-purpose digital I/O in a single PCI form factor.
Technical Specifications
Analog Output
• 16 voltage output channels, 16-bit resolution
• ±10 V bipolar output range per channel
• ±1 mV accuracy per channel
• 0.1 Ω maximum output impedance
• DC coupling, static output rate
Digital I/O
• 8 digital I/O lines
• 5 V TTL/CMOS logic level
Power & Electrical
• +5 V, 1.5 A board requirement
• +4.5 to +5.25 VDC, 0.75 A available at I/O connector
Physical & Environmental
• 3.9 x 6.9 inches board dimensions
• Operating temperature: 0 to 55 °C
• Storage temperature: -20 to 70 °C
• 68-pin SCSI II shielded connector for analog outputs
– Key Features
• 16-bit resolution enables fine-grained voltage control with ±1 mV accuracy
• Low output impedance (0.1 Ω) supports low-impedance load applications
• Eight auxiliary digital I/O lines for monitoring or control signals
• PCI bus integration eliminates external interface complexity
• On-board power regulation supplies controlled voltage to external circuitry
– Typical Applications
The PCI-6703 addresses DC setpoint generation, precision voltage sourcing, sensor excitation, and mixed-signal test systems where static analog outputs interface with digital control logic.
– Compatibility & Integration
The board operates under Windows 2000/NT/XP and Windows Vista (x64/x86) using the NI-DAQmx driver. Programming support includes LabVIEW, LabWindows/CVI, Measurement Studio, Visual Studio .NET, Visual Basic, C/C++, and C#. The SCB-68 Shielded Connector Block and SH68-68-D1 Shielded Cable are recommended accessories for field wiring.
