SHARP GP1UM26RK (01) PDF MANUAL

SHARP GP1UM26RK (01) PDF SUMMARY:

When should this infrared remote control detecting unit be used?

When wireless remote control is needed.

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What signal format should be used with the transmitter?

The signal format of the transmitter should have a total duty ratio D₁ (Emitting time / Transmitting time for 1 block T) of 40% or less. The ON signal time Ton (Pulse width of the presence of modulated IR) should be 250µs or more (200µs in case of B.P.F. center frequency: 56.8kHz model).

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What happens if the signal format is not within the specified conditions?

Reception distance may be reduced or output may not appear.

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What should be considered when using the light-emitting unit (remote control transmitter)?

Consider the performance, characteristics, and operating conditions of the light-emitting device and the characteristics of the light detecting unit.

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What should be done if the surface of the light detecting unit is stained with dust or refuse?

Care must be taken not to touch the light detector surface. If it should be dirty, wipe off such dust and refuse with a soft cloth to prevent scratches. If 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.

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Should the shield case be grounded?

Yes, the shield case should be grounded on the PCB pattern.

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Is the area across the shield case and the GND terminal always conductive?

The area across the shield case and the GND terminal is internally conductive in some cases and non-conductive in some other cases.

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Should unnecessary force be applied to the terminal and the case?

No, do not apply unnecessary force to the terminal and the case.

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Should the light detector surface (photodiode) be pushed from outside?

No, do not push the light detector surface (photodiode) from outside.

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How to avoid electrostatic breakdown of IC?

Handle the unit under the condition of grounding with the human body, soldering iron, etc.

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Can holes and grooves be used in the case of the light detecting unit for other purposes?

No, 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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Where should the outer parts be mounted?

Mount the outer parts as near the unit as possible.

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What are the recommended values for R₁ and C₁ in the external circuit?

Use suitable values after considering the real condition. The circuit constant is an example and may differ from mounting equipment. Select values based on your mounting equipment. (Circuit parameters: R₁=47Ω±5%, C₁=47μF)

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What protection element is included in this device and why?

This device has a transistor as a protection element between Vcc and GND to improve anti-static electricity proof.

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What should be avoided regarding voltage?

Be careful not to apply voltage exceeding the absolute maximum ratings and continuous high voltage spike noise, as the transistor may short due to secondary breakdown.

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What external circuit can be added to prevent voltage spikes?

Add a CR filter (47Ω (1/10W), 10µF or more) near Vcc.

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What should be done about potential noise on the output?

There is a possibility that noise on output may be caused by environmental conditions (Disturbing light noise, Electromagnetic noise, Power supply line noise, etc.) even if there is no input transmission signal.

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What should be confirmed on the actual machine?

Confirm the operation on your actual machine. The output pulse width of this product is fluctuated by environmental conditions such as signal format, temperature, and distance from the transmitter.

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What precaution should be taken regarding storage in high humidity?

In case that this product is kept in high humidity conditions, it may be hard to solder, so be careful enough about storage method.

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What should be considered when selecting a flux for soldering?

Depend on the flux you select, there are different solderabilities, so please select a suitable flux and use it.

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What should be avoided regarding dew?

Please use this device away from the dew drop. Be aware that the dew drop rusts shield case and others, may affect the electric characteristics.

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What are the features of the GP1UM26RK/GP1UM27RK/GP1UM28RK/GP1UM28QK Series?

• Anti electromagnetic induction noise type.
• Compact (case volume).
• Various B.P.F. (Band Pass Frequency) frequency to meet different user needs.

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What are the applications of the GP1UM26RK/GP1UM27RK/GP1UM28RK/GP1UM28QK Series?

1. AV equipments
2. Home appliances

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*What does 1 indicate in the outline dimensions?

Indicates root dimensions of connector.

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What is the Unspecified tolerance in the outline dimensions?

±0.3

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What is the Case thickness in the outline dimensions?

0.3TYP

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*What does 2 indicate in the outline dimensions?

Exclude sagged solder.

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*What does 3 indicate in the outline dimensions?

If there are difficulties to insert the series on PCB, we recommend expanding +0.1mm from the original 2.9mm.

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What is the recommended range for the supply voltage (Vcc) under Recommended Operating Conditions?

4.5 to 5.5 V

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What are the Absolute Maximum Ratings?

Parameter	Symbol	Rating	Unit
Supply voltage	Vcc	0 to +6.0	V
*1 Operating temperature	Topr	-10 to +70	°C
Storage temperature	Tstg	-20 to +70	°C
*2 Soldering temperature	Tsol	260	°C

*1 No dew condensation is allowed *2 For 5s (At mounting on PCB with thickness of 1.6mm)

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What are the Electro-optical Characteristics?

Parameter	Symbol	Conditions	MIN.	TYP.	MAX.	Unit
Dissipation current	Icc	No input light		0.95	1.5	mA
High level output voltage	VOH		Vcc-0.5			V
Low level output voltage	VOL	*3 IOL=1.6mA			0.45	V
High level pulse width	T1		600		1200	µs
Low level pulse width	T2		400		1000	µs
B.P.F. center frequency	*4 fo					kHz
Output pull-up resistance	RL		70	100	130	kΩ

*3 The burst wave as shown in the figure should be transmitted by the transmitter The carrier frequency of the transmitter, however, shall be same as *4, and measurement shall be from just after starting the transmission until 50 pulse *4 The B.P.F. center frequency fo varies with model, as shown in Model Line-up

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What is the condition to meet linear reception distance characteristics?

When L=0.2 to 8.5(7.0)*7m, *5Ev<10 lx and o=0° in Fig.2, the output signal shall meet the electrical characteristics in the attached list.

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What is the condition to meet sensitivity angle reception distance characteristics?

When L=0.2 to 6.0(4.5)*7m, *5Ey<10 lx and o≤30° in Fig.2, the output signal shall meet the electrical characteristics in the attached list.

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What is the condition to meet anti outer peripheral light reception distance characteristics?

When L=0.2 to 4.0(3.0)*7m, *6Ey≤ 300 lx and o=0° in Fig.2, the output signal shall meet the electrical characteristics in the attached list.

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**What do *5, 6, and 7 refer to in the performance specifications?

*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. *7 In case of B.P.F. center frequency: 56.8kHz model.

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How should the transmitter be set in the Fig. 1 Transmitter setup?

The transmitter should be set so that the output VOUT (P-P) can be 40mV.

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What are the specifications for the PD49PI in the transmitter setup?

The PD49PI to be used here should be of the short-circuit current Isc=2.6µ A at Ev =100 lx.

(Ev is an illuminance by CIE standard light source A (tungsten lamp).)

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What diversified models are available in the Model Line-up?

Diversified models with a different B.P.F. frequency are also available.

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What models are available?

B.P.F. center frequency	Model No.	Unit
40	GP1UM26RK
	GP1UM27RK
	GP1UM28RK
	GP1UM28QK
36	GP1UM260RK
	GP1UM270RK
	GP1UM280RK
	GP1UM280QK
38	GP1UM261RK
	GP1UM271RK
	GP1UM281RK
	GP1UM281QK	kHz
36.7	GP1UM262RK
	GP1UM272RK
	GP1UM282RK
	GP1UM282QK
56.8	GP1UM267RK
	GP1UM277RK
	GP1UM287RK
	GP1UM287QK