LITEON LTP-2157AKY-01

LITE-ON TECHNOLOGY CORPORATION
Property of LITE-ON Only
FEATURES
*2.0 inch (50.8 mm) MATRIX HEIGHT
*LOW POWER REQUIREMENT
*EXCELLENT CHARACTERS APPEARANCE
*HIGH BRIGHTNESS & HIGH CONTRAST
*5×7 ARRAY WITH X-Y SELECT
*HIGH BRIGHTNESS & HIGH CONTRAST
*SOLID STATE RELIABILITY
DESCRIPTION
The LTP-2157AKY-01 is a 2.0 inch (50.8 mm) matrix height 5×7
dot matrix display. This device uses AS-AlInGaP AMBER
YELLOW LED chips (AlInGaP epi on GaAs substrate). The
display has a black face and white dot color.
DEVICE
PART NO.
DESCRIPTION
AlInGaP AMBER YELLOW
Cathode Column
Anode Row
LTP-2157AKY-01
PART NO.: LTP-2157AKY-01
BNS-OD-C131/A4
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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-2157AKY-01
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of LITE-ON Only
PIN CONNECTION
No.
1
ANODE ROW
5
2
ANODE ROW
7
3
CATHODE COLUMN 2
4
CATHODE COLUMN 3
5
6
ANODE ROW
4
CATHODE COLUMN 5
7
ANODE ROW
6
8
ANODE ROW
3
9
ANODE ROW
1
10
CATHODE COLUMN 4
11
CATHODE COLUMN 3
12
13
14
PART NO.: LTP-2157AKY-01
BNS-OD-C131/A4
CONNECTION
ANODE ROW
4
CATHODE COLUMN 1
ANODE ROW
2
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LITE-ON TECHNOLOGY CORPORATION
Property of LITE-ON Only
ABSOLUTE MAXIMUM RATING
PARAMETER
MAXIMUM RATING
UNIT
Average Power Dissipation Per Dot
35
mW
Peak Forward Current Per Dot
( Frequency 1Khz, 25% duty cycle )
60
mA
Average Forward Current Per Dot
Forward Current From 25℃
13
0.17
mA
mA/℃
Reverse Voltage Per Dot
5
-35℃ to +85℃
Operating Temperature Range
V
-35℃ to +85℃
Storage Temperature Range
Soldering Conditions:1/16 inch below seating plane for 3 seconds at 260℃
ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta = 25oC
PARAMETER
SYMBOL MIN TYP MAX UNIT
TEST
CONDITION
µcd Ip = 32mA 1/16Duty
Average Luminous Intensity Per Dot
IV
1650 3600
Peak Emission Wavelength
λp
595
nm
IF = 20mA
Spectral Line Half-Width
∆λ
15
nm
IF = 20mA
Dominant Wavelength
λd
592
nm
IF = 20mA
Forward Voltage Per Segment
VF
Reverse Current any Dot
IR
100
IV-m
2:1
Luminous Intensity Matching Ratio
2.05
2.6
2.3
2.8
V
µA
IF = 20mA
IF = 80mA
VR = 5V
Ip = 32mA 1/16Duty
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-2157AKY-01
BNS-OD-C131/A4
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LITE-ON TECHNOLOGY CORPORATION
Property of LITE-ON Only
TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES
(25oC Ambient Temperature Unless Otherwise Noted)
PART NO.: LTP-2157AKY-01
BNS-OD-C131/A4
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