LTP-1257AA

LED Display Product Data Sheet LTP-1257AA Spec No.: DS-30-99-518 Effective Date: 05/24/2000 Revision: - LITE-ON DCC RELEASE BNS-OD-FC001/A4 LITE-ON Technology Corp. / Optoelectronics No.90,Chien 1 Road, Chung Ho, New Taipei City 23585, Taiwan, R.O.C. Tel: 886-2-2222-6181 Fax: 886-2-2221-1948 / 886-2-2221-0660 http://www.liteon.com/opto LITE-ON ELECTRONICS, INC. Property of Lite-On Only FEATURES ＊1.2 inch ( 30.42 mm) MATRIX HEIGHT. ＊LOW POWER REQUIREMENT. ＊SINGLE PLANE, WIDE VIEWING ANGLE. ＊SOLID STATE RELIABILITY. ＊5 ×7 ARRAY WITH X-Y SELECT. ＊COMPATIBLE WITH USASCII AND EBCDIC CODES. ＊STACKABLE HORIZONTALLY. ＊CATEGORIZED FOR LUMINOUS INTENSITY. DESCRIPTION The LTP-1257AA is a 1.2 inch (30.42 mm) matrix height 5 ×7 dot matrix display. This device utilizes red orange and green LED chips, the green LED chips are made from GaP on a transparent GaP substrate , the red orange LED chips are made from GaAsP on a transparent GaP substrate, This device has gray face and white dots. DEVICE PART NO. DESCRIPTION RED ORANGR & GREEN ANODE COLUMN CATHODE ROW LTP-1257AA PART NO.: LTP-1257AA BNS-OD-C131/A4 PAGE: 1 of 6 LITE-ON ELECTRONICS, INC. Property of Lite-On Only PACKAGE DIMENSIONS NOTES: All dimensions are in millimeters. Tolerances are  0.25 mm (0.01“) unless otherwise noted. INTERNAL CIRCUIT DIAGRAM PART NO.: LTP-1257AA BNS-OD-C131/A4 PAGE: 2 of 6 LITE-ON ELECTRONICS, INC. Property of Lite-On Only PIN CONNECTION No. CONNECTION 1 CATHODE ROW.7 GREEN 2 CATHODE ROW.7 RED ORANGE 3 ANODE COLUMN 1 4 ANODE COLUMN 2 5 ANODE COLUMN 3 6 ANODE COLUMN 4 7 ANODE COLUMN 5 8 CATHODE ROW.6 GREEN 9 CATHODE ROW.6 RED ORANGE 10 NO CONNECTION 11 CATHODE ROW.5 GREEN 12 CATHODE ROW.5 RED ORANGE 13 CATHODE ROW.4 GREEN 14 CATHODE ROW.4 RED ORANGE 15 CATHODE ROW.3 GREEN 16 CATHODE ROW.3 RED ORANGE 17 CATHODE ROW.2 GREEN 18 CATHODE ROW.2 RED ORANGE 19 CATHODE ROW.1 GREEN 20 CATHODE ROW.1 RED ORANGE PART NO.: LTP-1257AA BNS-OD-C131/A4 PAGE: 3 of 6 LITE-ON ELECTRONICS, INC. Property of Lite-On Only ABSOLUTE MAXIMUM RATING AT Ta=25oC GREEN PARAMETER MAXIMUM RATING UNIT Average Power Dissipation Per Dot 36 mW Peak Forward Current Per Dot 100 mA Average Forward Current Per Dot Derating Linear From 25℃ Per Dot 13 0.17 mA mA/℃ Reverse Voltage Per Segment 5 -35℃ to +85℃ Operating Temperature Range V -35℃ to +85℃ Storage Temperature Range Solder Temperature: max 260℃ for max 3sec at 1.6mm[1/16inch] below seating plane. ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25oC GREEN PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION Average Luminous Intensity IV 2000 4000 cd Ip=80mA 1/16Duty Peak Emission Wavelength p 565 nm IF=20mA Spectral Line Half-Width  30 nm IF=20mA Dominant Wavelength d 569 nm IF=20mA Forward Voltage any Dot VF Reverse Current any Dot IR 100 IV-m 2:1 Luminous Intensity Matching Ratio 2.1 2.6 3.0 3.7 V A IF=20mA IF=80mA VR=5V IF=10mA 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-1257AA BNS-OD-C131/A4 PAGE: 4 of 6 LITE-ON ELECTRONICS, INC. Property of Lite-On Only ABSOLUTE MAXIMUM RATING AT Ta=25oC RED ORANGE PARAMETER MAXIMUM RATING UNIT Average Power Dissipation Per Dot 36 mW Peak Forward Current Per Dot 100 mA Average Forward Current Per Dot Derating Linear From 25℃ Per Dot 13 0.17 mA mA/℃ Reverse Voltage Per Segment 5 -35℃ to +85℃ Operating Temperature Range V -35℃ to +85℃ Storage Temperature Range Solder Temperature: max 260℃ for max 3sec at 1.6mm[1/16inch] below seating plane. ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25oC RED ORANGE PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION Average Luminous Intensity IV 2000 4000 cd Ip=80mA 1/16Duty Peak Emission Wavelength p 630 nm IF=20mA Spectral Line Half-Width  40 nm IF=20mA Dominant Wavelength d 621 nm IF=20mA Forward Voltage any Dot VF Reverse Current any Dot IR 100 IV-m 2:1 Luminous Intensity Matching Ratio 2.0 2.6 2.6 3.4 V A IF=20mA IF=80mA VR=5V IF=10mA 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-1257AA BNS-OD-C131/A4 PAGE: 5 of 6 LITE-ON ELECTRONICS, INC. Property of Lite-On Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES (25oC Ambient Temperature Unless Otherwise Noted) PART NO.: LTP-1257AA BNS-OD-C131/A4 PAGE: 6 of 6