Sharp GP1U281X Compact ir detecting unit for remote control Datasheet

GP1U26X/27X/28X/28Y Series
Compact IR Detecting Unit
for Remote Control
GP1U26X/GP1U27X Series
GP1U28X/GP1U28Y Series
■ Features
■ Applications
1. Compact (case volume)
(GP1U28Y : About 1/4 compared with GP1U58Y)
1. AV equipment such as TV sets,
2. Height from PWB to detector face same as GP1U58Y
2. HA equipment such as air conditioners
VCRs and audio equipment
3. Power filter capacitor and resistance are not required any more
as a result of adoption of built-in constant voltage circuit
4. Various B.P.F. (Band Pass Frequency) frequency to meet different user needs
■ Outline Dimensions
(Unit : mm)
GP1U27X Series
2.8
*1
0.4
4
Recommended drilling as viewed from the soldering face.
3.75 3.75
1.2
*1
*1
2.54
4
Recommended drilling as viewed from the soldering face.
2.54
R1.9
1 Vout
2 VCC
3 GND
Φ
2.54
1. Unspecified tolerance : ± 0.3
2.54
2-0.5
2-0.4
2-0.75
1
0.6
0.8
2
3
1.2
Detector
center
(0.5)
0.6
Φ
2.54
2. * 1 : The dimension of lead base
GP1U28X Series
8.75
0.6
1 Vout
2 VCC
3 GND
10.45
3
1.7
1.7
1. Unspecified tolerance : ± 0.3
2.54
0.8
2. * 1 : The dimension of lead base
GP1U28Y Series
7.3
+0.5
-0.3
Marking
0.4
Marking
S28
3.4
1.4
S 28
3.4
13.1
*1
10.2
4
1.6
0.5
2.8
3.6
1.1
14.4
1.6
1.4
7.3
0.5
13
2
(0.5)
8.75
1
1.2
Detector
center
(9.7)
0.6
10.45
2-0.5
2-0.4
2-0.75
3.75 3.75
1.2
1.7
1.7
2.54
R1.9
(9.7)
*1
2.54
1.4
S 27
10.2
Marking
0.4
*1
3.6
3.4
2.8
1.4
S 26
3.4
13.1
*1
10.2
Marking
10.4
1.6
13.1
3.6
1.1
-
5.2
1.1
1.4
1.6
+0.5
-0.3
7.3
0.5
+0.5
0.3
7.3
0.5
1.4
GP1U26X Series
*1
2.54
4
2.54
R1.9
Recommended drilling as viewed from the soldering face.
1
0.6
3.75 3.75
1.2
3
3.7
5.4
6.8
1.4
1.4
Φ
0.
8
1.95
Recommended drilling as viewed from the soldering face.
2.54
2.54
Φ
1
2
3
0.6
1. Unspecified tolerance : ± 0.3
2.54
2.54
0.8
2. * 1 : The dimension of lead base
1.7
1.7
3.65
8.75
(0.5)
(9.7)
Detector
center
1.6
0.6
R1.9
1.2
2-0.5
2-0.4
2-0.75
0.6
2
1 Vout
2 VCC
3 GND
1.7
1.7
10.45
1 Vout
2 VCC
3 GND
0.4
3.6
*1
0.5
*1
2.54
*1
2.54
1. Unspecified tolerance : ± 0.3
1.2
1.2
3.75 3.75
2. * 1 : The dimension of lead base
“ 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.”
GP1U26X/27X/28X/28Y Series
■ Model Line-ups
Diversified models with a different B.P.F. frequency are also available.
B.P.F. center frequency
40
36
38
36.7
32.75
56.8
GP1U26X
GP1U260X
GP1U261X
GP1U262X
GP1U263X
GP1U267X
Model No.
GP1U27X
GP1U28X
GP1U270X GP1U280X
GP1U271X GP1U281X
GP1U272X GP1U282X
GP1U273X GP1U283X
GP1U277X GP1U287X
Unit
GP1U28Y
GP1U280Y
GP1U281Y
GP1U282Y
GP1U283Y
GP1U287Y
kHz
■ Internal Block Diagram
Vout
Limiter
B.P.F.
Demodulator
Integrator Comparator
Vcc
GND
■ Absolute Maximum Ratings
Parameter
Supply voltage
*1
Operating temperature
Storage temperature
*2 Soldering temperature
(Ta=25˚C)
Symbol
Rating
V CC
0 to 6.3
- 10 to + 70
Topr
Tstg
- 20 to + 70
260
Tsol
Unit
V
˚C
˚C
˚C
*1 No dew condensation is allowed.
*2 For 5 seconds
■ Recommended Operating Conditions
Parameter
Supply voltage
Symbol Operating conditions
V CC
4.7 to 5.3
Unit
V
GP1U26X/27X/28X/28Y Series
■ Electrical Characteristics
(Ta=25˚C, VCC =+5V)
Parameter
Symbol
ICC
V OH
V OL
T1
T2
fO
Dissipation current
High level output voltage
Low level output voltage
High level pulse width
Low level pulse width
B.P.F. center frequency
Conditions
No input light
MIN.
V CC - 0.5
400
400
-
*3
-
TYP.
*4
MAX.
5.0
0.45
800
800
-
Unit
mA
V
V
µs
kHz
*3 The burst wave as shown in the following figure shall be transmitted by the transmitter shown in Fig. 1.
The carrier frequency of the transmitter, however, shall be same as *4, and measurement shall be taken of the 100th and subsequent pulses after start of transmission.
*4 The B.P.F. center frequency fo varies with model, as shown in ■ Model Line-ups.
Burst wave
600 µs
600 µs
fO = *4 kHz
Duty 50%
■ Performance
Using the transmitter shown in Fig. 1, the output signal of the light detecting unit is good enough to meet the following items in the standard optical system in Fig. 2.
(1) Linear reception distance characteristics
When L=0.2 to 8 m, Ee *5 < 10 lx and φ =0 ˚ in Fig. 2, the output signal shall meet the electrical characteristics in the attached list.
(2) Sensitivity angle reception distance characteristics
When L=0.2 to 6 m, Ee *5 < 10 lx and φ<= 30 ˚ in Fig. 2, the output signal shall meet the electrical characteristics in the attached list.
(3) Anti outer peripheral light reception distance characteristics
When L=0.2 to 4 m, Ee*6 <= 300 lx and φ =0˚ in Fig. 2, the output signal shall meet the electrical characteristics in the attached list.
*5 It refers to detector face illuminance.
*6 Outer peripheral light source: CIE standard light source A shall be used and placed at 45˚ from perpendicular axis at the detector face center.
20cm
10kΩ
Transmitter (GL521 used)
fO = *4
Duty 50%
10µF
10kΩ
PD49PI
+ 5V
Vout
Oscilloscope
In the above figure, the transmitter should be set so that the output V out can be 40mV P - P.
However, the PD49PI to be used here should be of the short-circuit current I SC =2.6 µ A at EV =100 lx.
(E V is an illuminance by CIE standard light source A (tungsten lamp).)
Fig. 1 Transmitter
GP1U26X/27X/28X/28Y Series
Light detector face illuminance : Ee
Reception distance : L
φ
φ
Vout
Transmitter
(φ indicates horizontal and vertical directions.)
Fig. 2 Standard optical system
Fig. 1 B.P.F. Frequency Characteristics
[TYP.](GP1Uxx1X)
Fig. 2 Sensitivity Angle (Horizontal Direction)
Characteristics [TYP.] for Reference
- 15˚
0˚
100
Relative reception distance (%)
Relative sensitivity (2dB/div)
- 30˚
- 45˚
- 60˚
30
32
34
36
38
40
42
44
46
+ 30˚
80
60
+ 45˚
40
+ 60˚
20
- 75˚
28
+ 15˚
+ 75˚
VCC = 5V
Ta = 25˚C
48
+ 90˚
- 90˚
Carrier frequency (kHz)
Fig. 3 Sensitivity Angle (Vertical Direction)
Characteristics [TYP.] for Reference
- 45˚
- 60˚
- 75˚
Relative reception distance (%)
- 30˚
0˚
100
120
+ 15˚
+ 30˚
80
60
+ 45˚
40
+ 60˚
20
100
80
60
+ 90˚
Relative comparison with reception
distance at VCC =5V,φ =0˚ , Ee <10 lx
and Ta=30 ˚C taken as 100%
20
0
- 40
SHARP
standard transmitter
Unit
40
+ 75˚
VCC = 5V
Ta = 25˚C
- 90˚
Relative reception distance (%)
- 15˚
Fig. 4 Relative Reception Distance vs. Ambient
Temperature [TYP.] for Reference
- 20
0
20
40
60
80
Ambient temperature Ta (˚C)
100
GP1U26X/27X/28X/28Y Series
Fig. 5 AEHA (Japan Association of Electrical Home Appliances)
Code Pulse Width Characteristics (1st Bit) [TYP.] for Reference
Fig. 6 Spectral Sensitivity for Reference
100
700
Low level pulse width
90
600
Relative sensitivity (%)
80
Pulse width (µ s)
500
400
300
High level pulse width
200
AEHA code
generating transmitter
VCC =5V, Ta=RT, φ =0˚ ,
Ee < 10 lx, T=430µ s
Unit
100
0
0
1 2 3 4
5 6
70
60
50
40
30
20
1st bit
7 8 9 10 11 12 13 14
10
700
Reception distance (m)
800
900
1000
1100
1200
Wavelength λ (nm)
■ Precautions for Operation
1) In case of adopting the infrared light detecting unit for the wireless remote control, use it in accordance
with the transmission scheme and the signal format recommended in "Countermeasures for malfunction prevention of
home appliances with remote control" issued from Japan Association of Electrical Home Appliances (AEHA) in July, 1987.
Use of a transmission scheme and a signal format different from those recommended may cause malfunction of home appliances.
(Example : signal format without leader signal, bit structure of small duty ratio (TH/(T H+T L)))
2) Use the light emitting unit (remote control transmitter), in consideration of performance, characteristics,
operating conditions of light light emitting device and the characteristics of the light detecting unit.
3) Pay attention to a malfunction of the light detecting unit when the surface is stained with dust and refuse.
Care must be taken not to touch the light detector surface.
If it should be dirty, wipe off such dust and refuse with soft cloth so as to prevent scratch. In case some solvents are required,
use methyl alcohol, ethyl alcohol or isopropyl alcohol only.
Also, protect the light detecting unit against flux and others, since their deposition on the unit inside causes reduction of the function,
fading of markings such as the part number.
4) The shield case should be grounded on PWB pattern.
(The area across the shield case and the GND terminal is internally conductive in some cases and non-conductive in some other cases.)
5) Do not apply unnecessary force to the terminal and the case.
6) Do not push the light detector surface (photodiode) from outside.
7) To avoid the electrostatic breakdown of IC, handle the unit under the condition of grounding with human body, soldering iron, etc.
8) Do not use hole and groove set in the case of the light detecting unit for other purposes,
since they are required to maintain the specified performance.
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