Purdy AND471GST - Manual

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
1 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com 7/20/07
AND471GST/GST-LED
2 Lines x 16 Characters
Intelligent Character Display
The AND471GST/GST-LED devices are compact, LCD
modules that have an on-board LCD controller and driver
circuit. These devices can display 160 characters (numerals,
letters, symbols and Kana letters), as well as eight custom
characters. The large characters provide excellen readability.
Features
• AND471GST: Super Twist Technology
• AND471GST-LED: STN with LED backlight
• Low voltage, +5V single power supply
• Controller on board (HD44780)
• RoHS compliant
• Wide temperature range option (WGST)
Dot Matrix Dimensions
Mechanical Characteristics
Item Specification Unit
Outline
Dimensions
122 (W) x 44 (H) x 11 (D) mm
Character size 4.84 (W) x 9.66 (H) mm
Viewing Area 99.0 (W) x 24.0 (H) mm
Dot Size 0.92 (W) x 1.10 (H) mm
Dot Pitch 0.98 (W) x 1.16 (H) mm
Absolute Maximum Ratings
Item Symbol Rating Unit
Supply Voltage V
DD
7.0 V
Input Voltage V
IN
0 ≤ V
IN
≤ V
DD
V
LED Forward Current I
F
480 mA
4.84 0.50
0.05
0.92
0.05 1.10
9.66
0.40
LED Reverse Voltage V
R
8 V
LED Power Dissipation P
D
2000 mW
Operating Temperature T
op
0 to +50 °C
Storage Temperature T
stg
–20 to +60 ˚C
Electrical Characteristics (TA = 25°C)
Item Symbol Min. Typ. Max. Unit
Supply Voltage
V
DD
4.75 5.0 5.25
V
V
DD
-V
O
3.0 – 6.3
High Level In Voltage
(V
DD
= 5.0V)
V
IH
2.2 – – V
Low Level In Voltage
(I
OH
= 0.2 mA)
V
IL
– – 0.6 V
High Level Output Volt.
(–I
OH
= 0.2 mA)
V
OH
2.4 – – V
Low Level Output Volt.
(I
OL
= 1.2 mA)
V
OL
– – 0.4 V
LED Forward Voltage
(I
F
= 220)
V
F
3.8 4.1 4.4 V
LED Reverse Current
(V
R
= 8 V)
I
R
– – 2.4 mA
Optical Characteristics (TA 5 = 25˚C,
φ
= 0°,
θ
= 0°)
Item Symbol Min. Typ. Max. Unit
Viewing Angle
φ
– 50 – degree
Contrast K – 6.0 – –
Turn On T
on
– 200 400 ms
Turn Off T
off
– 250 400 ms
Absolute Maximum Ratings (Continued)
Item Symbol Rating Unit
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.
• RoHS Compliant