Purdy AND731GST/GST-LED User Manual
And731gst/gst-led, Features
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
1
Tel: 408.523.8200 • Fax: 408.733.1287 •
• www.purdyelectronics.com
7/20/07
AND731GST/GST-LED
4 Lines x 16 Characters
Intelligent Character Display
The AND731GST/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.
Features
• AND731GST: Super Twist Technology
• AND731GST-LED: STN with LED backlight
• Low voltage, +5V single power supply
• Built-inController
• 5 x 7 Dots with cursor
• 1/16 Duty cycle
• 4.2V LED forward voltage
Mechanical Characteristics
Item
Specification
Unit
Outline
Dimensions
87 (W) x 60 (H) x 8.8 (D) (12.7 LED)
mm
Character Size
2.95 (W) x 4.75 (H)
mm
Viewing Area
62 (W) x 25.6 (H)
mm
Character Pitch
3.55 (W) x 5.35 (H)
mm
Dot Size
0.55 (W) x 0.55 (H)
mm
Dot Pitch
0.60 (W) x 0.60 (H)
mm
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
LED Forward Current
I
F
400
mA
LED Reverse Voltage
V
R
4
V
Supply Voltage
V
DD
7.0
V
Input Voltage
V
IN
0
≤
V
IN
≤
V
DD
V
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
LCD Operating
Voltage
T = 0°C
V
DD
-V
O
–
4.8
–
V
T = 25°C
–
4.5
–
T = 50°C
–
4.2
–
Supply Voltage
V
DD
-V
SS
4.7
5
5.3
V
Supply Current
I
DD
–
3.2
6
mA
Input Voltage
Hi Level
V
IH
2.2
–
–
V
Low Level
V
IL
0
–
V
DD
V
Outpit Voltage
Hi Level
V
OH
2.4
–
0.6
V
Low Level
V
OL
–
–
0.4
V
Optical Characteristics (TA = 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
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