Appendix A
Specifications
©
National Instruments Corporation
A-5
NI PCI-7342 Hardware User Manual
Polarity............................................ Programmable, active-high
or active-low
Control ............................................ MustOn/MustOff or automatic
when axis off
Analog inputs
Number of inputs ............................ 2, multiplexed
Voltage range (programmable) ....... ±10 V, ±5 V, 0–10 V, 0–5 V
Input resistance ............................... 10 k
Ω
minimum
Resolution ....................................... 12 bits
Analog reference output.................. 7.5 V (nominal)
Reference drift ................................ ±30 ppm/°C typical
INL.................................................. ±1 LSB
DNL ................................................ ±1 LSB
Offset error
Unipolar ................................... ±5 LSB
Bipolar ..................................... ±10 LSB
Gain error
Unipolar ................................... ±10 LSB
Bipolar ..................................... ±10 LSB
Conversion time .............................. 6 µs
Multiplexor scan rate ...................... 50 µs/enabled channel
Analog outputs
Number of outputs .......................... 2
Voltage range .................................. ±10 V
Output current ................................. ±5 mA
Resolution ....................................... 16 bits (0.000305 V/LSB)
Gain accuracy ................................. ±3%
Drift................................................. 100 ppm/°C typical
