Sharp GL1F20 Datasheet
GL1F20
GL1F20
Infrared Communication
(IrDA1.0 Compatible)
InfraredEmitting Diode
Features
■
1. IrDA1.0 compatible infrared emitting diode
(Transmission rate : 2.4 to 115.2kbps)
2. Built-in infrared emitting diode circuit
Recommended use in combination with detector (IS1U20)
3.
■
Applications
1. Personal computers
2. Portable information terminal equipment
3. Printers
4. Word processors
IrDA : Abbreviation of the Infrared Data Association established
for standardization of infrared communication specifications
Absolute Maximum Ratings
■
Parameter Symbol Rating Unit
Forward current
*1
Peak forward current
Operating temperature
Storage temperature
*2
Soldering temperature
*1 Pulse width 78.1µ s, Duty ratio=3/16
*2 For MAX. 3 seconds at the position of 2 mm from the resin edge
I
F
I
FM
T
opr
T
stg
T
sol
-10to+70
-20to+85
(Ta=25˚C)
50
400
mA
mA
260 ˚C
˚C
˚C
■
Outline Dimensions
R 1.4
MAX. 0.6
Detector center
3-0.45
1.27 1.27
1
Terminal configuration
1 Base
2 Emitter
3 Anode
(Unit : mm)
5.6
3.6
2.2
4.0
1.0
17.9
2
3
MIN 0.3
Transparent resin
2.5
0.4
Base
3
2
1
Electro-optical Characteristics
■
(Ta=25 ˚C)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Driving voltage
High level input voltage
Low level input voltage
Peak emission wavelength
Radiant intensity
Light pulse width
Light rise time
Light fall time
Input current
Half intensity wavelength
Half intensity angle
*3 Direction of mechanical axis of the lens portion of the element : φ =0˚
“ In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs,
data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device.”
VV
CC
V
IH
V
IL
λ p
I
E
t
W
t
r
t
f
I
IH
∆λ
∆θ
= 20mA
I
F
V
= 5V,RL= 7.5Ω
CC
= 4.5V
V
in
= 1.63 µs,Duty ratio : 3/16
t
win
φ<=15˚,*3
Vin= 4.5V
= 20mA
I
F
I
= 20mA
F
-
-
-
4.75
4.5
-
850
40
1.41
-
-
-
5.25
-
V
CC
0.4
-
870
1.6
0.23
0.17
900
350
-
2.71
0.6
0.6
1.0 - 3.0
40
--
-
±20
-
V
V
nm
mW/sr
µs
µs
µs
mA
nm
Fig. 1 Peak Forward Current vs. Ambient
Temperature
500
)
400
mA
(
FM
300
200
100
Peak forward current I
Pulse width 78.1 µ s
Duty ratio= 3/16
GL1F20
0
-10
-25
Ambient temperature Ta (˚C
Infrared Communication Terminal System Configuration Using GL1F20/IS1U20
■
OA equipment body such as portable information terminal equipment OA equipment body such as portable information terminal equipment
Serial• parallel converter circuit
General Descriptions of IrDA1.0 System
■
70
100025 5075
)
Light emitting device for
infrared communication
(GL1F20)
Modulator/remoldulator circuit
Comparator Amp
OPIC detecting device for
infrared communication
(IS1U20)
Amp
Comparator
OPIC detecting device for
infrared communication
(IS1U20)
Light emitting device for
infrared communication
(GL1F20)
(3/16) T
Transmission rate : 2.4k to 115.2kbps
Modulation system : SIR
Receiving distance : 1 m
Transmitting wavelength : 850 to 900 nm
Receiving waveform : As shown in the right drawing
Receiving waveform
1
0
TT
Output waveform : As shown in the right drawing
Modulator/remodulator circuit
0
Serial • parallel converter circuit
1
T =8.6to 417µ s
Output waveform
●
Please refer to the chapter "Precautions for Use". (Page 78 to 93)
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