LED Display
Product Data Sheet
LTP-2757AA
Spec No.: DS-30-97-109
Effective Date: 02/19/2001
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
* 2 inch ( 50.8 mm) MATRIX HEIGHT.
* LOW POWER REQUIREMENT.
* SINGLE PLANE, WIDE VIEWING ANGLE
* SOLID STATE RELIABILITY.
* 5x7 ARRAY WITH X-Y SELECT.
* COMPATIBLE WITH USASCLL AND EBCDIC CODES.
* STACKABLE HORIZONTALLY.
* CATEGORIZED FOR LUMINOUS INTENSITY.
DESCRIPTION
The LTP-2757AA is a 2 inch (50.8 mm) matrix height 5x7 dot matrix display. This
device is multicolor applicable display, which has gray face and white dot color. The
red orange LED chips are made from GaAsP on a transparent GaP substrate. The
green LED chips are made from GaP on a transparent GaP substrate.
DEVICE
PART NO.
Red Orange & Green
LTP-2757AA
DESCRIPTION
Cathode Column
Anode Row
PART NO.: LTP-2757AA
BNS-OD-C131/A4
PAGE:
1 of 5
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-2757AA
BNS-OD-C131/A4
PAGE:
2 of 5
LITE-ON ELECTRONICS, INC.
Property of Lite-On Only
PIN CONNECTION
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CONNECTION
CATHODE COLUMN
CATHODE COLUMN
ANODE ROW
ANODE ROW
7
1
7
1
(GREEN)
NO.
15
16
17
18
19
20
21
22
23
24
25
26
27
28
CONNECTION
CATHODE COLUMN
CATHODE COLUMN
ANODE ROW
ANODE ROW
1
5
1
5
(GREEN)
(RED ORANGE)
(GREEN)
(RED ORANGE)
(GREEN)
(RED ORANGE)
2
(GREEN)
(RED ORANGE)
4
(GREEN)
CATHODE COLUMN
CATHODE COLUMN
2
CATHODE COLUMN
CATHODE COLUMN
4
(RED ORANGE)
3
(GREEN)
(RED ORANGE)
3
(GREEN)
CATHODE COLUMN
CATHODE COLUMN
ANODE ROW
ANODE ROW
5
3
5
CATHODE COLUMN
CATHODE COLUMN
ANODE ROW
ANODE ROW
3
3
3
(RED ORANGE)
(GREEN)
(RED ORANGE)
(GREEN)
(RED ORANGE)
4
(GREEN)
(RED ORANGE)
4
(GREEN)
ANODE ROW
ANODE ROW
4
ANODE ROW
ANODE ROW
4
(RED ORANGE)
6
(GREEN)
(RED ORANGE)
2
(GREEN)
ANODE ROW
ANODE ROW
6
ANODE ROW
ANODE ROW
2
(RED ORANGE)
(RED ORANGE)
PART NO.: LTP-2757AA
BNS-OD-C131/A4
PAGE:
3 of 5
LITE-ON ELECTRONICS, INC.
Property of Lite-On Only
ABSOLUTE MAXIMUM RATING AT T
A
=25
o
C
PARAMETER
Average Power Dissipation Per Dot
Peak Forward Current Per Dot
Average Forward Current Per Dot
Derating Linear From 25
0
C Per Dot
Reverse Voltage Per Dot
Operating Temperature Range
Storage Temperature Range
GREEN
36
100
13
0.17
5
-35
0
C to +85
0
C
-35
0
C to +85
0
C
RED ORANGE
UNIT
mW
mA
mA
mA/
0
C
V
Solder Temperature 1/16 inch Below Seating Plane for 3 Seconds at 260
0
C
ELECTRICAL / OPTICAL CHARACTERISTICS AT T
A
=25
o
C
GREEN
SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
I
p
=80mA
Average Luminous Intensity
I
V
1500 4800
cd
1/16DUTY
Peak Emission Wavelength
p
565
nm
I
F
=20mA
Spectral Line Half-Width
30
nm
I
F
=20mA
Dominant Wavelength
d
569
nm
I
F
=20mA
2.1
2.6
V
I
F
=20mA
Forward Voltage any Dot
V
F
3
3.7
V
I
F
=80mA
Reverse Current any Dot
I
R
100
A
V
R
=5V
I
p
=80mA
Luminous Intensity Matching Ratio I
V
-m
2:1
1/16DUTY
RED ORANGE
PARAMETER
PARAMETER
SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
I
p
=80mA
Average Luminous Intensity
I
V
1500 4800
cd
1/16DUTY
Peak Emission Wavelength
p
630
nm
I
F
=20mA
Spectral Line Half-Width
40
nm
I
F
=20mA
Dominant Wavelength
d
621
nm
I
F
=20mA
2
2.6
V
I
F
=20mA
Forward Voltage any Dot
V
F
2.6
3.4
V
I
F
=80mA
Reverse Current any Dot
I
R
100
A
V
R
=5V
I
p
=80mA
Luminous Intensity Matching Ratio I
V
-m
2:1
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-2757AA
BNS-OD-C131/A4
PAGE:
4 of 5
详细参数
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