AD-130GE
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7.2.3 Optical Interface Specifications
The relation of the input signal and the output signal through the optical interface is as follows.
Conditions for Input
Input Line Voltage Range
+3.3V
～
+24V
Input Current
6mA
～
30mA
Minimum Input Pulse Width to Turn
ON
0.5μs
Output Specifications
Output Load(Maximum Current)
100mA
Minimum Output Pulse Width
20μs
Time Delay Rise
TDR
0.5μs
～
0.7μs
Rise Time
RT
1.2μs
～
3.0μs
Time Delay Fall
TDF
1.5μs
～
3.0μs
Fall Time
FT
4.0μs
～
7.0μs
Fig.13 Optical Interface Performance
7.3. Input and output circuits
In the following schematic diagrams the input and output circuits for video and timing signals
are shown.
7.3.1 Iris Video output
This signal can be used for lens iris control in Continuous
mode. The signal is taken from the CCD sensor output
through the process circuit but as the reverse
compensation is applied, the signal is not influenced by
the gain settings. The video output is without sync. The
signal is 0.7 V p-p from 75
without termination.
This signal is taken from sensor 1 but it can be changed
by the register. In order to get this signal, DIP switch
DSW700 should be changed. Refer to 5.4.3.
Fig.14 Iris video output
ＤＡ
１μ
１Ｋ
２Ｋ２
０．１μ
＋５Ｖ
IRIS Video Out
