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GP1U90X Series
GP1U90X Series
s Features
1. Compact package ( Mounting area : Approx. 1/2 or less compared with other models ) 2. Various B.P.F ( Band Pass Filter ) frequency 3. Built-in voltage regulator circuit
IR Detecting Unit for Remote Control
s Outline Dimensions ( Unit : mm )
1.3
5.5
10.0 2.82 0.5
Center of light path
2.0
3.4 0.5 8.7
1.3
8.0 1.35 1.6
s Applications
2.5 3.6
R1.75
8
1. VCRs 2. Audio equipment
2.5
5.8
1.0
23 0.9
6.7
1
2.0 2.0
3-
3.0
0.75
12 3 3-0.5TYP 1 GND 2 V OUT 3 V CC
* Recommended drilling as viewed from the soldering face.
0.
*Tolerance : 0.3mm
s Absolute Maximum Ratings
Parameter Operating supply voltage *1 Operating temperature Storage temperature *2 Soldering temperature Symbol V CC T opr T stg T sol
( Ta = 25C )
Rating 0 to 6.3 - 10 to + 70 - 20 to + 70 260 Unit V C C C
*1 No dew formation *2 Thickness : 1.6mm at PWB mounting, For 5 seconds.
s Recommended Operating Conditions
Parameter Supply voltage Symbol V CC Value 4.7 to 5.3 Unit V
" 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. "
GP1U90X Series s Electrical Characteristics
Parameter Dissipation current High level output voltage Low level output voltage High level pulse width Low level pulse width B.P.F. center frequency Symbol ICC V OH V OL T1 T2 fO Conditions No input light
( Ta = 25C, V CC = + 5V)
MIN. V CC - 0.5 400 400 TYP. *4 MAX. 5.0 0.45 800 800 Unit mA V V s s kHz
*3
-
*3 The burst wave as shown in the following figure shall be transmitted by the transmitter shown in Fig. 1. *4 Diversified models with a different B.P.F frequency, as shown in a separate table, are also available.
Burst Wave
fO = *4 Duty: 50%
600 s 600 s
s Model Line-ups
Model No. GP1U90X GP1U900X GP1U901X GP1U902X GP1U903X GP1U907X B.P.F. frequency 40 36 38 36.7 32.75 56.8 Unit
kHz
s Internal Block Diagram
Vout Amp Limiter B.P.F. Demodulator Integrator Comparator Vcc GND
GP1U90X Series s 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 8m, *5 Ee< 10 lx and = 0 in Fig. 2, the output signal shall meet the electrical characteristcs in the attached list. ( 2 ) Sensitivity angle reception distance characteristics When L= 0.2 to 6m, *5 Ee< 10 lx and <= 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 4m, *6 Ee<= 300 lx and = 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 the perpendicular axis at the detector face center.
20cm PD49PI
10k + 5V 10 F
Transmitter (GL521 used ) Duty 50 % Center frequency (fo ) depends on the attached model list.
10k
Vout
Oscilloscope
Fig. 1. Transmitter
In the above figure, the transmitter should be set so that the output Vout can be 40mVPP . However, the PD49PI to be used here should be of the short-circuit current I SC = 2.6 A at E V = 100 lx. (E V is an illuminance by CIE standard light source A ( tungsten lamp ) . )
Light detector face illuminance : Ee Vout
Reception distance : L Transmitter
( indicates horizontal and vertical directions. )
Fig. 2. Standard optical system
GP1U90X Series s Precautions for Use
( 1 ) Use the light emitting unit ( remote control transmitter ) , in consideration of performance, characteristics and operating condition of light emitting device and the characteristics of the light detecting unit. ( 2 ) 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 with soft cloth so as to prevent scratch In case some solvents are required, . use metyl alcohol ethyl, alcohol or isoprophyl alcohol. Also, protect the light detecting unit against flux and others. ( 3 ) The shield case shall be grounded on PWB pattern. ( 4 ) Do not apply unnecessary force to the terminals and case form outside. ( 5 ) Do not push the light detector surface ( photodiode ) from outside. ( 6 ) To avoid the electorstatic breakdown of IC, handle the unit under the condition of grounding with human body, soldering iron, etc. ( 7 ) 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 infrared remote control " issued form Japan Association of Electrical Home Appliances ( AEHA ) in July 1987. ( 8 ) As for other general cautions, refer to the chapter " Precautions for Use" ( page 78 to 93 ) .

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