LITEON LTP-7388M Property of lite-on only Datasheet

LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
FEATURES
*0.764 inch (19.4 mm) MATRIX HEIGHT
*LOW POWER REQUIREMENT
*SINGLE PLANE, WIDE VIEWING ANGLE
*SOLID STATE RELIABILITY
*8×8 ARRAY WITH X-Y SELECT
*COMPATIBLE WITH USASCII AND EBCDIC CODES
*STACKABLE HORIZONTALLY
*CATEGORIZED FOR LUMINOUS INTENSITY
DESCRIPTION
The LTP-7388M is a 0.764 inch (19.4 mm) matrix height 8×8 dot
matrix display. This device uses AS-AlInGaP green and
AS-AlInGaP super red LED chips (AlInGaP epi on a GaAs
substrate). The display has black face and white dots.
DEVICE
PART NO.
DESCRIPTION
MULTI-COLOR
Cathode Column
Anode Row
LTP-7388M
PART NO.: LTP-7388M
BNS-OD-C131/A4
PAGE:
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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-7388M
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
PIN CONNECTION
No.
CONNECTION
No.
CONNECTION
1
CATHODE COLUMN 1 RED
13 ANODE ROW 4
2
CATHODE COLUMN 2 RED
14 CATHODE COLUMN 3 RED
3
ANODE ROW 8
15 ANODE ROW 3
4
CATHODE COLUMN 4 RED
16 CATHODE COLUMN 5 RED
5
ANODE ROW 7
17 CATHODE COLUMN 6 RED
6
CATHODE COLUMN 7 GREEN
18 CATHODE COLUMN 1 GREEN
7
CATHODE COLUMN 8 GREEN
19 CATHODE COLUMN 2 GREEN
8
CATHODE COLUMN 3 GREEN
20 ANODE ROW 2
9
CATHODE COLUMN 4 GREEN
21 CATHODE COLUMN 5 GREEN
10 ANODE ROW 6
22 ANODE ROW 1
11 CATHODE COLUMN 6 GREEN
23 CATHODE COLUMN 7 RED
12 ANODE ROW 5
24 CATHODE COLUMN 8 RED
PART NO.: LTP-7388M
BNS-OD-C131/A4
PAGE:
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
ABSOLUTE MAXIMUM RATING
AlInGaP GREEN
AlInGaP SUPER RED
UNIT
Average Power Dissipation Per Dot
70
70
mW
Peak Forward Current Per Dot
( Frequency 1Khz, 10% duty cycle)
60
90
mA
Average Forward Current Per Dot
25
25
mA
mA/℃
PARAMETER
Forward Current Derating from 250C
Reverse Voltage Per Segment
0.33
Operating Temperature Range
5
-35℃ to +85℃
Storage Temperature Range
-35℃ to +85℃
V
Soldering Conditions : 1/16 inch below seating plane for 3 seconds at 2600C
PART NO.: LTP-7388M
BNS-OD-C131/A4
PAGE:
4 of 6
LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
ELECTRICAL / OPTICAL CHARACTERISTICS
AlInGaP GREEN
PARAMETER
Average Luminous Intensity per Dot
Average Luminous Intensity
SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
IV
4300 6200
674
ucd
972
cd/m
2
Ip=48mA
1/16Duty
Peak Emission Wavelength
λp
571
nm
IF=20mA
Spectral Line Half-Width
∆λ
15
nm
IF=20mA
Dominant Wavelength
λd
572
nm
IF=20mA
Forward Voltage any Dot
VF
2.1
2.6
V
IF=20mA
Reverse Current any Dot
IR
100
µA
VR=5V
IV-m
2:1
Luminous Intensity Matching Ratio
IF=3mA
ELECTRICAL / OPTICAL CHARACTERISTICS
AlInGaP SUPER RED
PARAMETER
Average Luminous Intensity per Dot
Average Luminous Intensity
SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
IV
2100 4000
329
ucd
627
cd/m
2
Ip=48mA
1/16Duty
Peak Emission Wavelength
λp
639
nm
IF=20mA
Spectral Line Half-Width
∆λ
20
nm
IF=20mA
Dominant Wavelength
λd
631
nm
IF=20mA
Forward Voltage any Dot
VF
2.0
2.6
V
IF=20mA
Reverse Current any Dot
IR
100
µA
VR=5V
IV-m
2:1
Luminous Intensity Matching Ratio
IF=3mA
Note: Luminous intensity is measured with a light sensor and filter combination that
approximates the CIE (Commission International De L’Eclairage) eye-response curve.
PART NO.: LTP-7388M
BNS-OD-C131/A4
PAGE:
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LITE-ON TECHNOLOGY CORPORATION
Property of Lite-On Only
TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES
PART NO.: LTP-7388M
BNS-OD-C131/A4
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