xiQ - Technical Manual Version 1.0
45
Typical LED forward voltage
LED Colour
V
led
(typ.)
V
led
(max.)
Note
Standard Red
1.7V
2.1V
Super Bright Red
1.85V
2.5V
Low power Red
1.7V
2.0V
Orange
2.0V
2.1V
Yellow
2.1V
2.2V
Green
1.9V
2.5V
Emeralded Green
2.1V
2.7V
Blue
2.5V
3.7V
White
2.8V
3.8V
Infra Red
1.3V
1.8V
Opto coupler
table 3-28, digital output, LED driving