LITE-ON DCC
RELEASE
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
LED Display
Product Data Sheet
LTP-1457AG
Spec No.: DS-30-97-198
Effective Date: 05/24/2000
Revision: -
BNS-OD-FC001/A4
BNS-OD-FC001/A4
BNS-OD-FC001/A4
BNS-OD-FC001/A4
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BNS-OD-C131/A4
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-1457AG is a 1.2 inch (30.42 mm) matrix height 5×7 dot
matrix display. This device utilizes Green LED chips, which are
made from GaP on GaP substrate, and has a gray face and white
dot color.
DEVICE
PART NO.
DESCRIPTION
Green
ANODE COLUMN
CATHODE ROW
LTP-1457AG
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BNS-OD-C131/A4
PACKAGE DIMENSIONS
NOTES: All dimensions are in millimeters. Tolerance is 0.25 mm (0.01“) unless otherwise noted.
INTERNAL CIRCUIT DIAGRAM
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PIN CONNECTION
No.
CONNECTION
1
CATHODE ROW 5
2
CATHODE ROW 7
3
ANODE COLUMN 2
4
ANODE COLUMN 3*1
5
CATHODE ROW 4*2
6
ANODE COLUMN 5
7
CATHODE ROW 6
8
CATHODE ROW 3
9
CATHODE ROW 1
10
ANODE COLUMN 4
11
ANODE COLUMN 3*1
12
CATHODE ROW 4*2
13
ANODE COLUMN 1
14
CATHODE ROW 2
NOTES : 1. Pin 4 & 11 are internally connected.
2. Pin 5 & 12 are internally connected.
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ABSOLUTE MAXIMUM RATING AT Ta=25oC
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 Dot
5
V
Operating Temperature Range
-35℃ to +85℃
Storage Temperature Range
-35℃ to +85℃
Solder Temperature: max 260℃ for max 3sec at 1.6mm[1/16inch] below seating plane.
ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25oC
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
TEST CONDITION
Average Luminous Intensity
IV
1780
4800
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
2.1
2.6
V
IF=20mA
3.0
3.7
IF=80mA
Reverse Current any Dot
IR
100
A
VR=5V
Luminous Intensity Matching Ratio
IV-m
2:1
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.
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TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES
(25oC Ambient Temperature Unless Otherwise Noted)
