Appendix A Specifications
© National Instruments Corporation A-5 NI 7340 User Manual
Analog inputs
Number of inputs............................ 8, multiplexed, single ended
Number for user signals...........4
Number for system diagnostics...4
Voltage range (programmable)....... ±10 V, ±5 V, 0–10 V, 0–5 V
Input coupling.................................DC
Input resistance............................... 10 kΩ min
Resolution.......................................12 bits, no missing codes
Monotonic.......................................Guaranteed
Multiplexor scan rate...................... 25 µs/enabled channel
Analog outputs
Number of outputs.......................... 4, single ended
Output coupling.............................. DC
Voltage range..................................±10 V
Output current.................................±5 mA
Resolution.......................................16 bits, no missing codes
Monotonic.......................................Guaranteed
Analog reference output..................7.5 V (nominal) @ 5 mA
Digital I/O
Ports....................................................... 4, 8-bit ports
Line direction..................................Individual bit programmable
Inputs
Voltage range..................................0 to 5 V
Input low voltage..................... 0.8 V
Input high voltage....................2.0 V
Polarity............................................Programmable, active-high
oractive-low
Outputs
Voltage range..................................0 to 5 V
Output low voltage.................. <0.45 V at 24 mA sink
Output high voltage................. >2.4 V at 24 mA source
Polarity............................................Programmable, active-high
oractive-low