7340 PCI User Manual

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
or active-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
or active-low