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Appendix A Specifications
© National Instruments Corporation A-7 NI 783xR User Manual
Onboard calibration reference
DC level..........................................5.000 V (±3.5 mV)
(actual value stored
in flash memory)
Temperature coefficient..................±5 ppm/°C max
Long-term stability .........................±20 ppm/
Note Refer to Calibration Certificates at ni.com/calibration to generate a
calibration certificate for the NI 783xR.
Bus Interface
PXI (NI PXI-783xR only)......................Master, slave
PCI (NI PCI-783xR only) ...................... Master, slave
Power Requirement
+5 VDC (±5%)
NI 7830R.........................................330 mA (typ), 355 mA (max)
1
NI 7831R.........................................330 mA (typ), 355 mA (max)
1
NI 7833R.........................................364 mA (typ), 586 mA (max)
1
+3.3 VDC (±5%)
NI 7830R.........................................462 mA (typ), 660 mA (max)
2
NI 7831R.........................................462 mA (typ), 660 mA (max)
2
NI 7833R.........................................727 mA (typ), 1,148 mA (max)
2
To calculate the total current sourced by the digital outputs use the
following equation:
Where j is the number of digital outputs being used to source current.
Power available at I/O connectors ......... 4.50 to 5.25 VDC,
250 mA per I/O connector pin
1
Does not include current drawn form the +5 V line on the I/O connectors.
2
Does not include current sourced by the digital outputs.
1,000 h
current sourced on channel
i
i 1=
j
∑