Digital i/o – National Instruments 7340 PCI User Manual

Page 48

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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 k

Ω 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

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