Dalsa Linea Lite GigE Series - Page 151

Linea Lite GigE Series Camera Technical Specifications • 149
External Input Electrical Characteristics
RS422 Inputs
Common Mode Input Voltage (V
cm
) -25 V min. – 25 V max.
Differential Input Signal Threshold 200 mV
Differential Input Signal Hysteresis 150 mV (V
cm
= 0 V)
Single-Ended Inputs (Applies to Line 3 only)
Switching Voltage
Low to High High to Low
3.3 V TTL 1.5 V 1.5 V
5.0 V TTL
2.5 V
2.5 V
12 V 6 V 6 V
24 V 11 V 11 V
External Input Timing Reference
Input Level
Standard
Maximum Input
Frequency
Minimum Pulse
Width
Source Current
Requirements
Maximum Signal Propagation Delay
at 60°C
Input Signal Direction
LVTTL (3.3 V) 20 MHz 25 ns 0 to 3.3 V <100 ns
3.3 V to 0 <100 ns
TTL (5.0 V) 20 MHz 25 ns 0 to 5 V <100 ns
5 V to 0 <100 ns
12 V 20 MHz 25 ns 0 to 12 V <100 ns
12 V to 0 <100 ns
24 V 20 MHz 25 ns 0 to 24 V <100 ns
24 V to 0 <100 ns