Specifications

VA6x User’s Reference 405-00022-00
14 Rev 00; 16 October 2007
Input Electrical Specifications
All VA61 inputs are single-ended, with the following specification:
Signal state Min. Max
Low (Inactive) 0 V 0.8 V
High (Active) 2.4 V 30 V
Turn ON current 1 mA
Output Electrical Specifications
All VA61 outputs are single-ended, open collector, current sinking (NPN), with the following
specification:
Parameter
Max
Output Voltage 30 V
Output Sink Current 500 mA
Short Circuit Protection 25 V
NOTE The NPN outputs are Open Collector. A pull-up resistor is needed to test the out-
puts.
Out
GND
+–
External
Power
+7V–+35V
non-isolated
sinking NPN output
User’s
active-low
sourcing input
V+
IN
GND
VA61
Out
GND
+–
External
Power
+7V–+35V
non-isolated
sinking NPN output
User’s
active-low
sourcing input
V+
IN
GND
VA61
R
Figure 4. Typical Output Wiring Diagram
Example Load Resistance (based on 10 mA load)
Voltage Source Load R
24 V 4.8 K ohms
30 V 6 K ohms