AND501WGST PURDY | Alldatasheet

Document overview

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Technical content

Features

  • AND501WGST: Wide Temp. Super Twist Technology
  • AND501WGST -LED: WTSTN with LED backlight
  • Low voltage, + 5V power supply
  • Controller on board (HD44780)
  • RoHS compliant
  • 11 commands for control Dot Matrix Dimensions Mechanical Characteristics Item Specification Unit Outline Dimensions 116 (W) x 37 (H) x 11 (D) mm Character Size 3.2 (W) x 5.55 (H) mm Viewing Area 83.0 (W) x 18.6 (H) mm Dot Size 0.60 (W) x 0.65 (H) mm Dot Pitch 0.65 (W) x 0.70 (H) mm Absolute Maximum Ratings Item Symbol Rating Unit Supply Voltage V DD 7.0 V Input Voltage V IN V IN V DD V LED Forward Current I F 275 mA LED Reverse Voltage V R LED Power Dissipation P D 1270 mW Operating Temperature T op -20 to +70 °C Storage Temperature T stg –30 to +80 °C Electrical Characteristics (TA — 25°C) Item Symbol Min. Typ. Max. Unit Supply Voltage V DD 4.75 5.0 5.25 V GND — 0 — High Level In Voltage DD = 5.0V) V IH 2.2 — — V Low Level In Voltage OH = 0.2 mA) V IL 0 — 0.6 V High Level Output Volt. (–I OH = 0.2 mA) V OH 2.4 — — V Low Level Output Volt. OL = 1.2 mA) V OL — — 0.6 V LED Forward Voltage F = 200 mA) V F 3.8 4.1 4.4 V LED Reverse Current R = 8 V) I R — — 2.2 mA Optical Characteristics (TA = 25˚C, φ = 0˚C, θ = 0) Item Symbol Min. Typ. Max. Unit Viewing Angle φ –10 25 40 degree Contrast K — 3.0 — — Turn On T on — 200 400 ms Turn Off T off — 250 400 ms Connector Pin Assignment Pin No. Signal Function

1 GND Ground

+5 Power Supply 3 V O LCD Drive Voltage 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

Intelligent Alphanumeric Displays AND501WGST/WGST-LED Displays Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 7/20/07 Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com

  • www.ANDdisplays.com 2 Power Supply The LCD panel is driven by the voltage V DD O , so adjustable V O is required for contrast control and temperature compensation. Power Supply Block Diagram Block Diagram Dimensional Outline 4R S “H” Data Input “L ” Command Input

5 R/W Read/Write

6 E Enable

7 DBO

DB0-DB7 are for 8-bit operation DB4-DB7 are for 4-bit operation

8 DB1

9 DB2

10 DB3

11 DB4

12 DB5

13 DB6

14 DB7

Connector Pin Assignment (Continued) Pin No. Signal Function Temperature Variations Temperature V DD EE -20°C 6.20 +25°C 5.60 +70°C 5.20 VDD VO GND VDD – VO VDD – VO = LCD Drive Voltage VR10 to 20 kΩ VR VDD (+5V) Controller/ Driver E R/W RS VDD VO GND DB0-DB7 8 LCD