LITE-ON TECHNOLOGY CORPORATION
Property of LITE-ON Only
FEATURES
＊
2.0 inch (50.8 mm) MATRIX HEIGHT
＊LOW
POWER REQUIREMENT
＊SINGLE
PLANE, WIDE VIEWING ANGLE
＊SOLID
STATE RELIABILITY
＊5
X 7 ARRAY WITH X-Y SELECT
＊COMPATIBLE
WITH USASCII AND EBCDIC CODES
＊STACKABLE
HORIZONTALLY
＊CATEGORIZED
FOR LUMINOUS INTENSITY
DESCRIPTION
The LTP-2157AHG-01 is a 2.0 inch (50.8 mm) matrix height 5 X
7 dot matrix display. The device uses HIGH EFFICIENCY
GREEN LED chips.(GaP epi on GaP substrate). This display has
a black face and white dot color.
DEVICE
PART NO.
HI-EFF. GREEN
LTP-2157AHG-01
DESCRIPTION
Cathode Column
Anode Row
PART NO.: LTP-2157AHG-01
BNS-OD-C131/A4
PAGE:
1 of 5
LITE-ON TECHNOLOGY CORPORATION
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-2157AHG-01
BNS-OD-C131/A4
PAGE:
2 of 5
LITE-ON TECHNOLOGY CORPORATION
Property of LITE-ON Only
ABSOLUTE MAXIMUM RATING
PARAMETER
Average Power Dissipation Per Dot
Peak Forward Current Per Dot
( Frequency 1Khz, 10% duty cycle )
Average Forward Current Per Dot
Derating Linear From 25℃ Per Dot
Reverse Voltage Per Dot
Operating Temperature Range
MAXIMUM RATING
36
100
13
0.17
5
-35℃ to +85℃
UNIT
mW
mA
mA
mA/℃
V
-35℃ to +85℃
Storage Temperature Range
Soldering Conditions: 1/16 inch below seating plane for 3 seconds at 260℃.
* see figure 5 to establish pulsed condition
ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta = 25
o
C
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
SYMBOL MIN. TYP. MAX. UNIT
I
V
λp
∆λ
λd
V
F
I
R
I
V
-m
2300 6300
565
30
569
2.1
3.0
2.6
3.7
100
2:1
µcd
nm
nm
nm
V
µA
TEST CONDITION
I
p
= 80mA 1/16Duty
I
F
= 20mA
I
F
= 20mA
I
F
= 20mA
I
F
= 20mA
I
F
= 80mA
V
R
= 5V
I
F
= 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-2157AHG-01
BNS-OD-C131/A4
PAGE:
4 of 5
LITE-ON TECHNOLOGY CORPORATION
Property of LITE-ON Only
TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES
(25
o
C Ambient Temperature Unless Otherwise Noted)
PART NO.: LTP-2157AHG-01
BNS-OD-C131/A4
PAGE:
5 of 5
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