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Appendix A Specifications
©
National Instruments Corporation A-9 PCI-4451/4452 User Manual
DMA modes...........................................Scatter gather
Triggers
Analog Trigger
Source
PCI-4451.........................................ACH<0..1>
PCI-4452.........................................ACH<0..3>
Level.......................................................± full-scale
Slope.......................................................Positive or negative
(software selectable)
Resolution .............................................. 16 bits
Hysteresis...............................................Programmable
Digital Trigger
Compatibility .........................................TTL
Response ................................................Rising or falling edge
Pulse width.............................................10 ns min
Bus Interface
Type .......................................................PCI Master/Slave
Power Requirement
Power (PCI-4451) ..................................+5 V, 1.7 A idle, 2.0 A active
+12 V, 11 mA typical
(not including momentary relay
switching)
−12 V, 40 mA typical
+3.3 V, unused
Power (PCI-4452) ..................................+5 V, 2.2 A idle, 2.5 A active
+12 V, 150 mA typical
(not including momentary relay
switching)
−12 V, unused
+3.3 V, unused
User.book Page 9 Tuesday, April 14, 1998 10:20 AM