Purdy AND3222MST User Manual
Displays
AND3222MST-LEDW
6” FSTN LCD Module
The AND3222MST-LEDW display is a compact, full dot matrix,
which is an STN gray positive LCD type, transflective rear
polarizer with a yellow green backlight color. The AND3222MSTLEDW can display TEXT information, numerals, letters and
symbols, as well as GRAPHIC patterns. These devices are
suitable for medical and measurement equipment, point-of-sale
terminals, protable equipment, and marine instrumentation.
Electrical Characteristics (Ta = 25°C)
Features
• STN Gray Positive LCD type
• Built-in LED yellow green backlight
• Excellent readability and high-contrast ratio
• 320 (W) x 240 (H) dot graphic display
• Wide operating temperature range (-20 to +70 ºC)
• Transflective rear polarizer
• 6 o’clock viewing angle
• RoHS Compliant
Mechanical Characteristics
Item
Outline
Dimensions
148.0 (W) x 120.2 (H) x 20.5 max (D) mm
Number of
Pixels
Active Area 120.14 (W) x 92.14 (H) mm
Pixel Size 0.33 (W) x 0.33 (H) mm
Pixel Pitch 0.36 (W) x 0.36 (H) mm
Duty Ratio 1/240 duty
Controller SID13305 –
DC/DC Converter With –
Specification Unit
320 (W) x 240 (H) pixels
Absolute Maximum Ratings - Electrical
Item
Power Supply for Logic
Power Supply for LCD Driver
Input Voltage
LED Power Dissipation
LED Forward Current
LED Reverse Voltage
Symbol Min. Max. Unit
- V
V
DD
V
- V
DD
V
P
AD
I
AF
V
SS
LCD
I
R
-0.3 7.0 V
0 30.0 V
-0.3 V
DD
– 1242
– 270
8V
mW
mA
Item
Power
Supply for
Logic
Power
Supply for
LCD Drive
Input
Voltage
Logic
Supply
Current
LED
Forward
Voltage
LED
Forward
Current
LED
Reverse
Current
V
Symbol Condition Min. Typ. Max. Unit
V
V
V
LCD -
V
DD -
V
V
DD -
SS
V
SS
IL
IH
V
O
– 4.5 5.0 5.5 V
– -21.6 -22.1 -22.7 V
L Level 0 – 0.6 V
H Level 2.2 –
Ta = 0ºC
Ta = 25ºC
–
–
V
DD
22.7
–
24.3 – V
Ta = 50ºC – 25.8 – V
I
I
V
=5.0V
DD
V
DD -
24.3V
If = 180 mA – 4.2 4.6 V
– – 180 – mA
VR = 8V – – 0.3 mA
V
DD
EE
I
I
F
F
R
V
=
O
34.9 31.3 –
– 3.6 –
V
V
mA
Product specifications contained herein may be changed without prior notice. It is therefore advisable to contact Purdy
Electronics before proceeding with the design of equipment incorporating this product.
5/1/08
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • email@purdyelectronics.com
www.purdyelectronics.com
1
Displays
Dimensional Outline
AND3222MST-LEDW
Unit: mm
Standard Tolerance: 0.5mm
2
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • email@purdyelectronics.com
www.purdyelectronics.com
5/1/08
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