LED Display
Product Data Sheet
LTC-2721JD
Spec No.: DS30-2000-423
Effective Date: 10/29/2001
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
＊0.28
inch (7 mm) DIGIT HEIGHT.
＊CONTINUOUS
UNIFORM SEGMENTS.
＊LOW
POWER REQUIREMENT.
＊EXCELLENT
CHARACTERS APPEARANCE.
＊HIGH
BRIGHTNESS & HIGH CONTRAST.
＊WIDE
VIEWING ANGLE.
＊SOLID
STATE RELIABILITY.
＊CATEGORIZED
FOR LUMINOUS INTENSITY.
DESCRIPTION
The LTC-2721JD is a 0.28 inch (7 mm) digit height triple digit
seven-segment display. This device utilizes AlInGap high
efficiency Red LED chips, which are made from AlInGap on a
non-transparent GaAs substrate, and has a gray face and white
segments.
DEVICE
PART NO.
AlInGap Hi-Eff. RED
LTC-2721JD
DESCRIPTION
Multiplex Common Cathode
Rt. Hand Decimal
PART NO.: LTC-2721JD
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.: LTC-2721JD
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
15
16
CONNECTION
ANODE D
COMMON CATHODE (DIGIT 1)
ANODE DP
ANODE E
COMMON CATHODE (DIGIT 2)
ANODE C, L3
ANODE G
COMMON CATHODE (DIGIT 3)
NO CONNECTION
NO PIN
NO PIN
ANODE B, L2
COMMON CATHODE L1, L2, L3
NO PIN
ANODE A, L1
ANODE F
PART NO.: LTC-2721JD
BNS-OD-C131/A4
PAGE:
3 of 5
LITE-ON ELECTRONICS, INC.
Property of Lite-On Only
ABSOLUTE MAXIMUM RATING AT Ta=25
o
C
PARAMETER
Power Dissipation Per Segment
Peak Forward Current Per Segment
( 1/10 Duty Cycle, 0.1ms Pulse Width )
Continuous Forward Current Per Segment
Derating Linear From 25℃ Per Segment
Reverse Voltage Per Segment
Operating Temperature Range
MAXIMUM RATING
70
90
25
0.33
5
-35℃ to +85℃
UNIT
mW
mA
mA
mA/℃
V
-35℃ to +85℃
Storage Temperature Range
Solder Temperature: max 260℃ for max 3sec at 1.6mm below seating plane.
ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25
o
C
PARAMETER
Average Luminous Intensity
Peak Emission Wavelength
Spectral Line Half-Width
Dominant Wavelength
Forward Voltage Per Segment
Reverse Current Per Segment
Luminous Intensity Matching Ratio
SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION
I
V
p
d
V
F
I
R
I
V
-m
200
600
656
22
640
2.1
2.6
100
2:1
cd
nm
nm
nm
V
A
I
F
=1mA
I
F
=20mA
I
F
=20mA
I
F
=20mA
I
F
=20mA
V
R
=5V
I
F
=1mA
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.: LTC-2721JD
BNS-OD-C131/A4
PAGE:
4 of 5
详细参数
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