National Instruments E Series - 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