Contec AO-1604CI2-PCI, Руководство пользователя

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6. About Hardware
76
AO-1604CI2-PCI
Timing of external sampling clock and “Settling Busy Output”
DA conversion operating
External Sampling
Clock Input
Settling Busy Output
t
DI
t
DO
t
WS
t
DO
Figure 6.4. Timing of external sampling clock and “Settling Busy Output”
Table 6.4. Details on each part
Symbol Min. Max.
Input delay time
tDI 5
μ
sec ---
Settling time
tWS --- 20μ sec
Output delay time
tDO 2.5 μ sec ---
Timing of “Timer Output”
Timer Output
Programmable timer count up
t
PW
t
DO1
t
DO2
t
PWO
Figure 6.5. Timing of “Timer Output”
Table 6.5. Details on each part
Symbol Min. Average
Reference
value
Pulse width when Count up occurs tPW --- 2.5 μ sec
---
Output delay time 1 tDO1 2.5 μ sec ---
---
Output delay time 2 tDO2 2.5
μ
sec ---
---
Output pulse width tPWO --- ---
3 μ sec
*
* External power supply : 24V, Loading : 25ºC when connecting the 510
Ω