GP1A70R/GP1A71R 2-phase digital output Sensing accuracy GP1A70R D
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GP1A70R/GP1A71R
GP1A70R/GP1A71R
2-phase digital output Sensing accuracy GP1A70R Disk slit pitch 1.14mm GP1A71R Disk slit pitch 0.7mm mounting type Lead bending type compatible output Compact, lightweight
OPIC Photointerrupter with Encoder Functions
Outline Dimensions
GP1A70R 12.5 13.0
Unit
Internal connection diagram OPIC Anode Cathode
10.5
Printers Copiers Numerical control machines
0.75
2.0± 12.0 (6.56
C0.2 (1.75) (1.27)
(2.54)
2.5MIN.
Applications
0.15
*Tolerance 0.3mm Reference dimensions
*"OPIC Optical trademark SHARP Corporation. OPIC consists light-detecting element signalprocessing circuit integrated onto single chip.
Absolute Maximum Ratings
Parameter Forward current Peak forward current Reverse voltage Power dissipation Supply voltage level output current Power dissipation Operating temperature Storage temperature Soldering temperature Symbol Tsol Rating
25°C
Unit
Input
Output
Pulse width<=100µ Duty ratio 0.01 seconds
absence confirmation device specification sheets, SHARP takes responsibility defects that occur equipment using SHARP's devices, shown catalogs, data books, etc. Contact SHARP order obtain latest version device specification sheets before using SHARP's device."
GP1A70R/GP1A71R Electro-optical Characteristics
Input Parameter Symbol Forward voltage Reverse current Operating supply voltage High level output voltage level output voltage Supply current GP1A70R Duty ratio GP1A71R Response frequency MAX.
25°C unless otherwise specified
Conditions 20mA, 25°C 25°C
Output
20mA 8mA, 20mA 20mA
Transfer characteristics
20mA, 2.5kHz
20mA
MIN.
TYP.
MAX.
Unit
Measured under condition shown Measurement Conditions. condition that output level. 100, 100, Duty ratio Average disk rotation time turn
Output Waveforms
Output VOA) Output VOB) tAB1 Rotational direction Counterclockwise when seen from OPIC light detector
Fig. Forward Current Ambient Temperature
Forward current
Fig. Output Power Dissipation Ambient Temperature
Output power dissipation
Ambient temperature
Ambient temperature
GP1A70R/GP1A71R
Fig. Duty Ratio Frequency (GP1A70R)
20mA 25°C
Fig. Duty Ratio Frequency (GP1A71R)
20mA 25°C
Duty ratio
Duty ratio
Output
Output
Output
Output
Frequency Frequency
Fig. Phase Difference Frequency (GP1A70R
20mA 25°C
Fig. Phase Difference Freauency (GP1A71R
20mA Phase difference deg. 360°
Phase difference deg.
360°
Frequency
Frequency
Fig. Duty Ratio Ambient Temperature (GP1A70R
20mA 2.5kHz
Fig. Duty Ratio Ambient Temperature (GP1A71R
20mA 2.5kHz
Duty ratio
Duty ratio
Output
Output Output
Output
Ambient temperature
Ambient temperature
GP1A70R/GP1A71R
Fig. Phase Difference Ambient Temperature
20mA 2.5kHz Phase difference deg.
Fig. Phase Difference Ambient Temperature
20mA 2.5kHz
Phase difference deg.
360°
360°
Ambient temperature
Ambient temperature
Fig. Duty Ratio Distance Xdirection (GP1A70R
20mA 2.5kHz 25°C
Fig. Duty Ratio Distance direction (GP1A71R
20mA 2.5kHz 25°C Output Output
Duty ratio
Output Output Duty ratio
Distance Shifting encoder
Distance Shifting encoder
Fig. Phase Difference Distance direction (GP1A70R
20mA 2.5kHz 25°C
Fig. Phase Difference Distance direction (GP1A71R
20mA 2.5kHz 25°C 360°
Phase difference deg.
Phase difference deg.
360°
Reference position GP1A71R
Reference position GP1A70R
Disk Distance Shifting encoder
Disk Distance Shifting encoder
GP1A70R/GP1A71R
Fig. Duty Ratio Distance Ydirection (GP1A70R
20mA 2.5kHz 25°C Duty ratio
Fig. Duty Ratio Distance direction (GP1A71R
20mA 2.5kHz 25°C Output
Duty ratio Output
Output
Output
Distance Shifting encoder
Distance Shifting encoder
Fig.10-a Phase Difference Distance direction (GP1A70R
20mA 2.5kHz 25°C 360° GP1A70R Reference position Disk Distance Shifting encoder
Fig.10-b Phase Difference Distance direction (GP1A71R
20mA 2.5kHz 25°C 360°
Phase difference deg.
Phase difference deg.
GP1A71R Reference position Disk Distance Shifting encoder
Fig.11-a Duty Ratio Distance direction (GP1A70R
20mA 2.5kHz 25°C Output
Fig.11-b Duty Ratio Distance direction (GP1A71R
20mA 2.5kHz 25°C Output
Duty ratio
Duty ratio
Output
Output
Distance Shifting encoder
Distance Shifting encoder
GP1A70R/GP1A71R
Fig.12-a Phase Difference Distance direction (GP1A70R
20mA 2.5kHz 25°C 360°
Fig.12-b Phase Difference Distance direction (GP1A71R
20mA 2.5kHz 25°C
Phase difference deg.
Phase difference deg. 360°
Detecting side OPIC Disk
Detecting side OPIC Disk GP1A70R Emitting side
GP1A71R Emitting side
Distance Shifting encoder)
Distance Shifting encoder)
<Measurement Conditions>
R10.89
Unit
1.5°
R13.45
GP1A71R Basic Design> distance between disk center half point slit installing position GP1A71R) will provided following equations. N/120 13.45 number slits 2.265 (mm) 0.75 11.185 10.5 GP1A70R GP1A71R
R13.24
R15.8
Disk center
Disk center
10.5
GP1A70R Basic Design> distance between disk center half point slit installing position GP1A70R) will provided following equations. RO=N 10.89 number slits 2.265
Precautions
This device designed used under condition 20mA recommended that by-pass capacitor more than 0.01µF added between near device order stabilize power supply line. other general cautions, refer chapter Precautions Use"
0.75
8.625
Application Circuits
NOTICE
qThe circuit application examples this publication provided explain representative applications SHARP devices intended guarantee circuit design license intellectual property rights. SHARP takes responsibility problems related intellectual property right third party resulting from SHARP's devices. qContact SHARP order obtain latest device specification sheets before using SHARP device. SHARP reserves right make changes specifications, characteristics, data, materials, structure, other contents described herein time without notice order improve design reliability. Manufacturing locations also subject change without notice. qObserve following points when using devices this publication. SHARP takes responsibility damage caused improper devices which does meet conditions absolute maximum ratings used specified relevant specification sheet meet following conditions: devices this publication designed general electronic equipment designs such Personal computers Office automation equipment Telecommunication equipment [terminal] Test measurement equipment Industrial control Audio visual equipment Consumer electronics (ii)Measures such fail-safe function redundant design should taken ensure reliability safety when SHARP devices used connection with equipment that requires higher reliability such Transportation control safety equipment (i.e., aircraft, trains, automobiles, etc.) Traffic signals leakage sensor breakers Alarm equipment Various safety devices, etc. (iii)SHARP devices shall used connection with equipment that requires extremely high level reliability safety such Space applications Telecommunication equipment [trunk lines] Nuclear power control equipment Medical other life support equipment (e.g., scuba). qContact SHARP representative advance when intending SHARP devices "specific" applications other than those recommended SHARP when unclear which category mentioned above controls intended use. SHARP devices listed this publication fall within scope strategic products described Foreign Exchange Foreign Trade Control Japan, necessary obtain approval export such SHARP devices. qThis publication proprietary product SHARP copyrighted, with rights reserved. Under copyright laws, part this publication reproduced transmitted form means, electronic mechanical, purpose, whole part, without express written permission SHARP. Express written permission also required before this publication made third party. qContact consult with SHARP representative there questions about contents this publication.
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