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| GP1U26R/27R/28R/28Q Series GP1U26R/GP1U27R Series GP1U28R/GP1U28Q Series s Features 1. Anti electromagnetic induction noise type 2. Compact (case volume) (GP1U28Q : About 1/4 compared with GP1U78Q) 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 Anti Electromagnetic Induction Noise Type Compact IR Detecting Unit for Remote Control s Applications 1. AV equipment such as TV sets, VCRs and audio equipment 2. HA equipment such as air conditioners and electric fans s Outline Dimensions GP1U26R Series 7.3 0.5 +0.5 0.3 - (Unit : mm) GP1U27R Series 1.4 1.4 3.75 3.75 1.2 1.7 10.45 1.2 (0.5) (9.7) Detector center 1.1 1.4 2 3.4 5.2 3.6 1.1 7.3 0.5 2 3.4 10.4 3.6 +0.5 -0.3 2.8 10.2 10.2 S 26 *1 4 13.1 *1 .5 Marking 1.4 4 13.1 .5 S 27 Marking 0.4 *1 *1 2.54 2.54 *1 4 Recommended drilling as viewed from the soldering face. 3.75 3.75 1.2 1.7 2.54 2.54 *1 4 Recommended drilling as viewed from the soldering face. 1.7 10.45 8.75 0.6 1 2 3 (0.5) 0.6 2-0.75 (9.7) Detector center 2-0.5 2-0.4 2-0.75 0.6 1 Vout 2 VCC 3 GND 1. Unspecified tolerance : 0.3 1 2 3 1 Vout 2 VCC 3 GND 0.6 2.54 2.54 0.8 2-0.75 2.54 2.54 2. * 1 : The dimension of lead base 1. Unspecified tolerance : 0.3 2. * 1 : The dimension of lead base GP1U28R Series 1.1 7.3 0.5 +0.5 -0.3 GP1U28Q Series 7.3 0.5 1.4 2 4 2 3.4 14.4 3.6 2.8 10.2 3.4 S28 S28 *1 3.6 2.54 2.54 *1 4 Recommended drilling as viewed from the soldering face. 1.7 3.75 3.75 1.2 1.7 0.4 13 *1 4 .5 13.1 Marking 1.4 Marking 0.4 1.6 3.7 5.4 6.8 1.4 1.4 0.6 1 2 3 0.6 10.45 1.2 (0.5) (9.7) Detector center 1 Vout 2 VCC 3 GND Recommended drilling as viewed from the soldering face. 2.54 2.54 1.7 2-0.5 2-0.4 2-0.75 0.6 1 2 3 0.6 2.54 2.54 0.8 0.5 *1 1.2 3.75 3.75 1.2 2-0.75 2.54 *1 2.54 1. Unspecified tolerance : 0.3 2. * 1 : The dimension of lead base 1. Unspecified tolerance : 0.3 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." 1.7 1 Vout 2 VCC 3 GND 8.75 3.65 0. 8 1.95 8.75 0.8 2-0.5 2-0.4 2-0.75 1.2 1.7 0.4 2.8 GP1U26R/27R/28R/28Q Series s 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 GP1U26R GP1U260R GP1U261R GP1U262R GP1U263R GP1U267R Model No. GP1U27R GP1U28R GP1U28Q GP1U270R GP1U280R GP1U280Q GP1U271R GP1U281R GP1U281Q GP1U272R GP1U282R GP1U282Q GP1U273R GP1U283R GP1U283Q GP1U277R GP1U287R GP1U287Q Unit kHz s Internal Block Diagram Vout Limiter B.P.F. Demodulator Integrator Comparator Vcc GND s Absolute Maximum Ratings Parameter Supply voltage *1 Operating temperature Storage temperature *2 Soldering temperature *1 No dew condensation is allowed. *2 For 5 seconds (Ta=25C) Unit V C C C Symbol Rating VCC 0 to 6.3 - 10 to + 70 Topr Tstg - 20 to + 70 260 Tsol s Recommended Operating Conditions Parameter Supply voltage Symbol Operating conditions VCC 4.7 to 5.3 Unit V GP1U26R/27R/28R/28Q 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 VOL T1 T2 fO Conditions No input light MIN. VCC - 0.5 400 400 (Ta=25C, VCC =+5V) TYP. *4 MAX. 5.0 0.45 800 800 Unit mA V V s kHz *3 - *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 s Model Line-ups . Burst wave 600 s 600 s fO = *4 kHz Duty 50% 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 6.5 m, Ee *5 < 10 lx and =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 4.5 m, Ee *5 < 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 3 m, Ee*6 <= 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 perpendicular axis at the detector face center. 20cm 10k + 5V PD49PI 10 F 10k Transmitter (GL521 used) fO= *4 Duty 50% 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 ISC =2.6 A at EV =100 lx. (EV is an illuminance by CIE standard light source A (tungsten lamp).) Fig. 1 Transmitter GP1U26R/27R/28R/28Q Series Light detector face illuminance : Ee Vout Reception distance : L Transmitter ( indicates horizontal and vertical directions.) Fig. 2 Standard optical system Fig. 1 B.P.F. Frequency Characteristics [TYP.](GP1Uxx1R) Fig. 2 Sensitivity Angle (Horizontal Direction) Characteristics [TYP.] for Reference - 15 - 30 0 100 + 15 + 30 Relative sensitivity (2dB/div) Relative reception distance (%) 80 60 + 45 - 45 40 + 60 20 - 60 - 75 + 75 VCC = 5V Ta = 25C 28 30 32 34 36 38 40 42 44 46 48 - 90 + 90 Carrier frequency (kHz) Angular displacement 0 Fig. 3 Sensitivity Angle (Vertical Direction) Characteristics [TYP.] for Reference - 15 - 30 0 100 + 15 + 30 Fig. 4 Relative Reception Distance vs. Ambient Temperature [TYP.] for Reference 120 Relative reception distance (%) Relative reception distance (%) 100 80 80 60 + 45 - 45 60 Unit SHARP standard transmitter 40 + 60 20 40 - 60 20 0 - 40 - 75 + 75 VCC= 5V Ta= 25C - 90 + 90 Relative comparison with reception distance at V =5V, =0 , Ee <10 lx CC and Ta=30 C taken as 100% - 20 0 20 40 60 80 100 Angular displacement 0 Ambient temperature Ta (C) GP1U26R/27R/28R/28Q Series Fig. 5 AEHA (Japan Association of Electrical Home Appliances) Code Pulse Width Characteristics (1st Bit) [TYP.] for Reference 700 Low level pulse width Fig. 6 Spectral Sensitivity for Reference 100 90 80 600 500 Relative sensitivity (%) 1st bit 70 60 50 40 30 20 10 700 800 900 1000 1100 1200 Pulse width ( s) 400 300 200 Unit High level pulse width 100 0 AEHA code generating transmitter VCC =5V, Ta=RT, =0, Ee < 10 lx, T=430 s 0 1234 56 7 8 9 10 11 12 13 14 Reception distance (m) Wavelength (nm) s 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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