LTP-2557C

LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only LED DISPLAY LTP-2557C DATA SHEET Rev A Original Spec Define F/M at 10mil (page 2). Description By Ruby Lee PHANOMKORN J SPEC. NO.: DATE : DS-30-98-476 08/NOV/06 A 0 OF 5 REV. NO. : PAGE NO. : PART NO.:LTP-2557C BNS-OD-C131/A4 PAGE: 0 of 6 LITE-ON TECHNOLOGY CORPORATION Property FEATURES * 2 inch (50.8 mm) MATRIX HEIGHT. * LOW POWER REQUIREMENT. * SINGLE PLANE, WIDE VIEWING ANGLE * SOLID STATE RELIABILITY. * 5x7 ARRAY WITH X-Y SELECT. * COMPATIBLE WITH USASCLL AND EBCDIC CODES. * STACKABLE HORIZONTALLY. * CATEGORIZED FOR LUMINOUS INTENSITY. ＊LEAD-FREE PACKAGE(ACCORDING TO ROHS) of Lite-On Only DESCRIPTION The LTP-2557C is a 2 inch (50.8 mm) matrix height 5x7 dot matrix display. This device utilizes AlGaAs red LED chips, which are made from AlGaAs on a non-transparent GaAs substrate, and has a gray face and white dot color. DEVICE PART NO. AlGaAs Red LTP-2557C DESCRIPTION Cathode Column Anode Row PART NO.:LTP-2557C BNS-OD-C131/A4 PAGE: 1 of 6 LITE-ON TECHNOLOGY CORPORATION Property PACKAGE DIMENSIONS of Lite-On Only NOTES: 1. All dimensions are in millimeters. Tolerances are ± 0.25 mm unless otherwise note. 2. Pin tip’s shift tolerance is ± 0.4 mm. 3. Maximum foreign material size is 10 mils PART NO.:LTP-2557C BNS-OD-C131/A4 PAGE: 2 of 6 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only INTERNAL CIRCUIT DIAGRAM PART NO.:LTP-2557C BNS-OD-C131/A4 PAGE: 3 of 6 LITE-ON TECHNOLOGY CORPORATION Property PIN CONNECTION No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 of Lite-On Only CONNECTION ANODE ANODE CATHODE CATHODE ANODE CATHODE ANODE ANODE ANODE ROW ROW 5 7 COLUMN 2 COLUMN 3 ROW 4 COLUMN 5 ROW ROW ROW 6 3 1 CATHODE COLUMN 4 CATHODE COLUMN 3 ANODE ROW 4 CATHODE COLUMN 1 ANODE ROW 2 PART NO.:LTP-2557C BNS-OD-C131/A4 PAGE: 4 of 6 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only ABSOLUTE MAXIMUM RATING AT TA=25oC UNIT mW mA mA mA/0C V 0 0 PARAMETER Average Power Dissipation Per Dot Peak Forward Current Per Dot Average Forward Current Per Dot Derating Linear From 250C Per Dot Reverse Voltage Per Dot Operating Temperature Range Storage Temperature Range MAXIMUM RATING 36 125 15 0.20 5 -35 C to +85 C -350C to +850C Soldering Conditions: 1/16 inch below seating plane for 3 seconds at 2600C or of temperature unit (during assembly) not over max. temperature rating above. ELECTRICAL / OPTICAL CHARACTERISTICS AT TA=25oC SYMBOL MIN. TYP. IV λp ∆λ λd VF IR IV-m 6200 12000 660 35 638 1.8 2 2.4 3.1 100 2:1 MAX. UNIT µcd nm nm nm V V µA TEST CONDITION Ip=80mA 1/16DUTY IF=20mA IF=20mA IF=20mA IF=20mA IF=80mA VR=5V Ip=80mA 1/16DUTY PARAMETER Average Luminous Intensity Peak Emission Wavelength Spectral Line Half-Width Dominant Wavelength Forward Voltage any Dot Reverse Current any Dot Luminous Intensity Matching Ratio (Similar Light Area) Note: Luminous intensity is measured with a light sensor and filter combination that approximates the CIE (Commision Internationale De L’Eclairage) eye-response curve. PART NO.:LTP-2557C BNS-OD-C131/A4 PAGE: 5 of 6 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES (25oC Ambient Temperature Unless Otherwise Noted) PART NO.:LTP-2557C BNS-OD-C131/A4 PAGE: 6 of 6