National Instruments E Series - Manual (Page 89)

Appendix A Specifications for DAQCard-AI-16E-4
DAQCard E Series User Manual A-6  National Instruments Corporation
Triggers
Analog Trigger
Source ............................................... ACH<0..15>, external trigger
(PFI0/TRIG1)
Level .................................................
±
full-scale, internal;
±
10 V,
external
Slope ................................................. Positive or negative (software
selectable)
Resolution ......................................... 8 bits, 1 in 256
Hysteresis.......................................... Programmable
Bandwidth (-3 dB)............................. 2.0 MHz internal,
3.0 MHz external
External input (PFI0/TRIG1)
Impedance................................... 10 k
Ω
Coupling .................................... DC
Protection....................................
±
35 V powered off,
-0.5 to VCC when configured as a
digital signal,
±
35 V when configured as an
analog trigger signal or disabled
Digital Trigger
Compatibility .................................... TTL
Response ........................................... Rising or falling edge
Pulse width........................................ 10 ns min
Power Requirement (from PCMCIA I/O channel)
+5 VDC (
±
5%) .................................. 280 mA typ in operational mode,
400 mA max in operational
mode,
70 mA in power down mode
Power available at I/O connector....... +4.65 to +5.25 V at 250 mA