National Instruments NI 6115/6120 - Manual (Page 95)

Appendix A Specifications
NI 6115/6120 User Manual A-16 ni.com
Base clock accuracy................................±0.01%
Max source frequency.............................20 MHz
Min source pulse duration .....................10 ns, edge-detect mode
Min gate pulse duration .........................10 ns, edge-detect mode
Data transfers ..........................................DMA, interrupts,
programmed I/O
DMA modes ...........................................Scatter-gather
Triggers
Analog Trigger
NI 6115/6120 source ..............................All analog input channels,
external trigger (PFI0/TRIG1)
Level .......................................................± full-scale, internal;
±10 V, external
Slope .......................................................Positive or negative
(software selectable)
Resolution
NI 6115............................................8 bits, 1 in 256
NI 6120............................................12 bits, 1 in 4,096
Hysteresis................................................Programmable
Bandwidth ..............................................(–3 dB) 5 MHz internal/external
External input (PFI0/TRIG1)
Impedance........................................10 k
Ω
Coupling ..........................................AC/DC
Protection.........................................–0.5 V to (V
CC
+ 0.5) V when
configured as a digital signal,
±35 V when configured as an
analog trigger signal or disabled,
±35 V powered off