Environmental, Electrical, Optical – Matrix Orbital DD-DB1 LCD/VFD Dev Board User Manual
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Environmental
Standard
VFD Standard
Operating Temperature
0
o
C to +50
o
C
-20
o
C to +70
o
C
Storage Temperature
-10
o
C to +60
o
C
-40
o
C to +80
o
C
Operating Relative Humidity
Maximum 90% non-condensing
Maximum 80% non-condensing
Table 13: DevDevil Environmental Specifications
Electrical
Current Consumption
Board
50mA
+
Backlight
20-115mA
+
Indicator GPOs
1.25mA each
+
Header GPOs
20mA each maximum
Table 14: DevDevil Current Consumption
Backlight Consumption
10.
YG
GW
WB
IY
IR
FW
FB
VFD*
20x2
105mA 40mA 45mA N/A 115mA 30mA 30mA 100mA
20x4
70mA 20mA 20mA 70mA
N/A
N/A
N/A 100mA
Table 15: Backlight Current Consumption by Model
Optical
20x2
20x4
20x2 VFD
20x4 VFD
units
Screen Size
116.0 x 37.0 98.0 x 60.0 116.0 x 37.0 98.0 x 60.0
mm
Viewing Area
83.0 x 18.6 76.0 x 25.2
N/A
mm
Active Area
73.5 x 11.5 70.4 x 20.8 70.8 x 11.5 70.8 x 20.9
mm
Character Size
3.20 x 5.55 2.95 x 4.75 2.50 x 4.70 2.40 x 4.70
mm
Character Pitch
3.70 x 5.95 3.55 x 5.35 3.60 x 6.10 3.60 x 5.40
mm
Pixel Size
0.60 x 0.65 0.55 x 0.55 0.40 x 0.50 0.40 x 0.50
mm
Pixel Pitch
0.65 x 0.70 0.60 x 0.60 0.50 x 0.70 0.50 x 0.70
mm
Viewing Angle
-30
to +30
N/A
o
Luminance
N/A
350
cd/m
2
Backlight Half-Life
50,000
N/A
Hours
Table 16: DevDevil Optical Characteristics
*Note:
A VFD style display will draw up to twice the normal operating current at start up inrush.
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