Purdy AND491GST3-3V-W-LED - Manual

Displays
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408-523-8200 • Fax: 408-733-1287 • [email protected] • www.purdyelectronics.com
04/24/12 1
AND491GST3-3V-W-LED
Intelligent Character Display
AND491GST3-3V-W-LED
Intelligent Character Display
The AND491GST3-3V-W-LED is an STN Positive Graye liquid crystal
display. It has a transflective rear polarizer, white LED backlight, 6 o-clock
viewing angle and a wide temperature range with a 3.3V single supply volt-
age.
Features
• STN Positive Gray
• Transflective Rear Polarizer
• White LED Backlight
• 6 O’clock Viewing Direction
• Wide Temperature Range, 3.3V, Single Supply Voltage
• Silver Frame
• ROHS Compliant
Electrical Absolute Maximum Ratings
Item Symbol Condition Min. Typ. Max. Unit
Power Supply for Logic VDD - VSS – 2.7 3.3 4.5 V
Input Voltage VIL L Level 0 –- 0.6 V
VIH H Level 2.2 — VDD V
LCM Recommend LCD Module
driving Voltage VDD-VO
Ta = 0ºC — — — V
Ta=25ºC 2.7 3.3 4.5
Ta=50ºC — — —
Power Supply Current for LCM IDD VDD = 3.3V, VDD-V0=3.3V — 2.0 3.0 mA
LED Forward Voltage VF iF = 20 mA — 3.4 3.6 V
LED Frward Current IF — — 20 — mA
LED Reverse Voltage IR VR=5V — — 0.2 mA
Product specifications contained herein may be changed without prior notice.
I
Mechanical Characteristics
Item Standard Value Unit
Module Size 80.0 (W) x 36.0 (H) x 8.8.0 (12.7) (D) (max.) mm
Viewing Area 65.0 (W) x 16.0 (H) mm
Dot Size 0.56 (W) x 0.56 (H) mm
Dot Pitch 0.60 (W) x 0.70 (H) mm
Display Format 16 characters (W) x 2 lines (H) –
Duty Ratio 1/16 Duty –
Controller ST7066U or equivalent –