GP2Y0A51SK0F Datasheet by SHARP/Socle Technology

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Sheet No.: OP1300
GP2Y0A51SK0F is a distance measuring sensor unit,
composed of an integrated combination of PSD
(position sensitive detector) , IR-LED (infrared
emitting diode) and signal processing circuit.
The variety of the reflectivity of the object, the
environmental temperature and the operating duration
are not influenced easily to the distance detection
because of adopting the triangulation method.
This device outputs the voltage corresponding to the
detection distance. So this sensor can also be used as a
proximity sensor.
1. Distance measuring sensor is united with PSD,
infrared LED and signal processing circuit
2. Short measuring cycle (16.5ms)
3. Distance measuring range : 2 to 15 cm
4. Compact size (27.0 × 10.8 × 12.0mm)
5. Analog output type
1. Compliant with RoHS directive (2002/95/EC)
1. Cleaning robot
2. Personal robot
3. Sanitary
Agency approvals/Compliance
Distance Measuring Sensor Unit
Measuring distance : 2 to 15 cm
Analog output type
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Sheet No.: OP1300
processing circuit
Measuring distance IC
LED drive circuit Output circuit
Oscillation circuit
Voltage regulator
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Sheet No.: OP1300
Absolute maximum ratings
Parameter Symbol Ratings Unit Remark
Supply voltage Vcc -0.3 to +7 V -
Output terminal voltage
0.3 to Vcc+0.3
10 to +60
Storage temperature
40 to +70
Operating supply voltage
Symbol Rating Unit Remark
Vcc 4.5 to 5.5 V -
Electro-optical Characteristics
(Ta=25°C, Vcc=5V)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Measuring distance range (Note 1) 2 - 15 cm
Output terminal voltage Vo L=15cm (Note 1) 0.25 0.4 0.55 V
Output voltage difference Output change at L change
cm) (Note 1) 1.35 1.65 1.95 V
Average supply current Icc L=15cm (Note 1) - 12 22 mA
L : Distance to reflective object
(Note 1) Using reflective object : White paper
(Made by Kodak Co., Ltd. gray cards R-27 white face, reflective ratio ; 90%)
Timing Chart
MAX 5.0ms
Unstable output
First output
Second output nth
First measurement Second
Vcc (Power supply)
Distance measuring operating
Vo (Output)
SHARP Analog voltage output [V] 3.20 300 280 2.60 2.40 2.20 2.00 180 1 .60 1 .40 1 .20 1 .00 080 0.60 0.40 0.20 0.00 + White paper (Reflectance ratio 90%) 3 4 5 67891011121314151617181920 Distance ta reflective object [em] sum Nu ommrw
Sheet No.: OP1300
Example of output distance characteristics
SHARP (2011/65/EU) tive(201 l/65/EU). , cadmium. hexavalent chromium. pelybrominaled biphenyls (PER) and pulybrommaled diphenyl ethers (PBDE) 2) Content of six substances specified in Management Methods for Control of Pollution Caused by Electronic Information Products Regulation (Chinese: e r laefinifiwamleflma Hazardous substances Cmgm Lead Mercury Cadmium llexavalcnt Pulybt‘ominatcd Polyhrominuted (Pb) (IIg) (cu) chromium blphenyls diphenyl ethers (Cr ) (PBB) (PBDE) Distance Measuring * J ./ J J / Sensor This table is prepared in accordance with the provisions of SJ/T 11364. ./ : Indicates that said hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement of GB/T 26572 * : Indicates that said hazardous substance contained in at least one ofthe homogeneous materials used for this part is above the limit requiremcnt ufGB/T 26572 Lead in glass of electronic components (designated by " * " in the above table) are exempt from the Rolls directive (2011/65/FU), because there is no effective way to eliminate or substitute them by present scientific technology
Sheet No.: OP1300
This product shall not contain the following materials.
Also, the following materials shall not be used in the production process for this product.
Materials for ODS : CFCS, Halon, Carbon tetrachloride 1.1.1-Trichloroethane (Methyl chloroform)
Product mass : Approx. 2.7g (TYP)
This product does not contain the chemical materials regulated by RoHS directive.
(Except for the NOT regulated by RoHS directive.)
Specified brominated flame retardants
Specified brominated flame retardants (PBB and PBDE) are not used in this device at all.
Compliance with each regulation
1) The RoHS directive(2002/95/EC)
This product complies with the RoHS directive(2002/95/EC) .
Object substances: mercury, lead (except for lead in high melting temperature type solders*1 and glass of
electronic components), cadmium, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated
diphenyl ethers (PBDE)
*1 i.e. tin-lead solder alloys containing more than 85% lead
2) Content of six substances specified in Management Methods for Control of Pollution Caused by Electronic
Information Products Regulation (Chinese : ).
Toxic and hazardous substances
diphenyl ethers
Distance Measuring
: indicates that the content of the toxic and hazardous substance in all the homogeneous materials of the part is
below the concentration limit requirement as described in SJ/T 11363-2006 standard .
: indicates that the content of the toxic and hazardous substance in at least one homogeneous material of the
part exceeds the concentration limit requirement as described in SJ/T 11363-2006 standard.
Lead in high melting temperature type solders (i.e. tin-lead solder alloys containing more than 85% lead) and
glass of electronic components ve table) are exempt from the RoHS directive
(2002/95/EC), because there is no effective way to eliminate or substitute them by present scientific technology.
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Sheet No.: OP1300
[Advice for the optics]
Lens of this device shall be kept cleanly. There are cases that dust, water or oil and so on deteriorate the
characteristics of this device. Please consider in actual application.
In case that protection is set in front of the emitter and detector portion, the protection cover which has the most
efficient transmittance at the emitting wavelength range of LED for this product ( =870nm±70nm), shall be
recommended to use. The face and back of protection cover should be mirror polishing. Also, as there are cases
that the characteristics may not be satisfied with according to the distance between the protection cover and this
product or the thickness of the protection cover, please use this product after confirming the operation sufficiently
in actual application.
[Advice for the characteristics]
In case that there is an object near to light exits of the sensor between the sensor and the detected object, please use
this device after confirming sufficiently what the characteristics of this sensor do not change by the object.
When the detector surface receive direct light from the sun, tungsten lamp and so on, there are cases that it can not
measure the distance exactly. Please consider the design that the detector does not receive direct light from such
light source.
Distance between sensor and mirror reflector can not measure exactly.
In case that reflective object has boundary line clearly, there is cases that distance can not measure exactly.
At that time, if direction of boundary line and the line between emitter center and detector center parallels,
it is possible to decrease deviation of measuring distance.
(Incorrect) (Correct)
In order to decrease measuring error by moving direction of object, we recommend to mount the sensor like
below drawing.
(Incorrect) (Correct)
(Moving direction) (Moving direction)
In order to stabilize power supply line, we recommend to connect a by-pass capacitor of 10 F or more between
Vcc and GND near this product.
[Notes on handling]
Washing may deteriorate the characteristics of optical system and so on.
Please confirm resistance to chemicals under the actual usage since this product has not been designed against for
There are some possibilities that the sensor inside the case package with lens may be exposed to the excessive
mechanical force. Please be careful not to cause any excessive pressure on the case package with lens and also on the
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Sheet No.: OP1300
Packing specification
1. Packing numbers
MAX. 50 pieces per tray
MAX 500 pieces per case
2. Arranges in 10 stages of trays containing products into the packing case.
Put pads on their top and bottom.
Closes the lid of case and seals with kraft tape.
3. Indication items
The contents of the carton indication conforms to EIAJ C-3 and the following items are indicated.
Model No., Internal production control name, Quantity, Packing date, Corporate name, Country of origin
Tray containing products
Packing case
Kraft tape
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Sheet No.: OP1300
Important Notices
· The circuit application examples in this publication are
provided to explain representative applications of SHARP
devices and are not intended to guarantee any circuit
design or license any intellectual property rights. SHARP
takes no responsibility for any problems related to any
intellectual property right of a third party resulting from
the use of SHARP's devices.
· Contact SHARP in order to obtain the latest device
specification sheets before using any SHARP device.
SHARP reserves the right to make changes in the
specifications, characteristics, data, materials, structure,
and other contents described herein at any time without
notice in order to improve design or reliability.
Manufacturing locations are also subject to change without
· Observe the following points when using any devices in
this publication. SHARP takes no responsibility for
damage caused by improper use of the devices which does
not meet the conditions and absolute maximum ratings to
be used specified in the relevant specification sheet nor
meet the following conditions:
(i) The devices in this publication are designed for use in
general electronic equipment designs such as:
--- Personal computers
--- Office automation equipment
--- Telecommunication equipment [terminal]
--- Test and measurement equipment
--- Industrial control
--- Audio visual equipment
--- Consumer electronics
(ii) Measures such as fail-safe function and redundant
design should be taken to ensure reliability and safety
when SHARP devices are used for or in connection
with equipment that requires higher reliability such as:
--- Transportation control and safety equipment (i.e.,
aircraft, trains, automobiles, etc.)
--- Traffic signals
--- Gas leakage sensor breakers
--- Alarm equipment
--- Various safety devices, etc.
(iii) SHARP devices shall not be used for or in connection
with equipment that requires an extremely high level of
reliability and safety such as:
--- Space applications
--- Telecommunication equipment [trunk lines]
--- Nuclear power control equipment
--- Medical and other life support equipment (e.g.,
· If the SHARP devices listed in this publication fall within
the scope of strategic products described in the Foreign
Exchange and Foreign Trade Law of Japan, it is necessary
to obtain approval to export such SHARP devices.
· This publication is the proprietary product of SHARP and
is copyrighted, with all rights reserved. Under the
copyright laws, no part of this publication may be
reproduced or transmitted in any form or by any means,
electronic or mechanical, for any purpose, in whole or in
part, without the express written permission of SHARP.
Express written permission is also required before any use
of this publication may be made by a third party.
· Contact and consult with a SHARP representative if there
are any questions about the contents of this publication.

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