AND731GST PURDY | Alldatasheet

Document overview

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Technical content

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 Supply Voltage V DD 7.0 V Input Voltage V IN 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 O – 4.8 – V T = 25°C – 4.5 – T = 50°C – 4.2 – Supply Voltage V DD 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

Intelligent Character Display AND731GST/GST-LED Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 7/20/07 Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com

  • www.purdyelectronics.com Power Supply The LCD panel is driven by the voltage V DD O , so you need an adjustable V O for contrast and temperature control. Temperature Variations Block Diagram Dimensional Outline Connector Pin Assignment Pin No. Signal Function 1 V SS Ground 2 V DD +5 Power Supply 3 V O LCD Drive Voltage 4R S “H” Data Input “L ” Command Input

5 R/W Read/Write

6 E Enable

7 DBO Data Bit 0

8 DB1 Data Bit 1

9 DB2 Data Bit 2

10 DB3 Data Bit 3

11 DB4 Data Bit 4

12 DB5 Data Bit 5

13 DB6 Data Bit 6

14 DB7 Data Bit 7

15 A LED Power

16 K LED Power

V DD O 0°C 5.00 +25°C 4.75 +50°C 4.50 Connector Pin Assignment (Continued) Pin No. Signal Function