GP1A70R

GP1A70R/GP1A71R GP1A70R/GP1A71R s Features 1. 2-phase ( A, B ) digital output 2. Sensing accuracy ( GP1A70R Disk slit pitch : 1.14mm ) ( GP1A71R Disk slit pitch : 0.7mm ) 3. PWB mounting type ( Lead bending type ) 4. TTL compatible output 5. Compact, lightweight OPIC Photointerrupter with Encoder Functions s Outline Dimensions 1 6.0 7.2 GP1A70R 6.0 12.5 2.0 - 0.2 0.1 13.0 2 ( Unit : mm ) Internal connection diagram 6 5 4 3 OPIC 1 Anode 2 Cathode 3 V OB 4 GND 5 V CC 6 V OA 10.5 1. Printers 2. Copiers 3. Numerical control machines 0.75 2 - φ 2.0± 12.0 (6.56 ) 2 0.1 2 - C0.2 2 2 - (1.75) 3 - (1.27) 3 4 1 1 4.0 ± 0.1 5 6 (2.54) 2.5MIN. 6.5 s Applications ± 0.15 + 3456 *Tolerance :± 0.3mm *( ) : Reference dimensions *“OPIC ” ( Optical IC ) is a trademark of the SHARP Corporation. An OPIC consists of a light-detecting element and signalprocessing circuit integrated onto a single chip. s Absolute Maximum Ratings Parameter Forward current *1 Peak forward current Reverse voltage Power dissipation Supply voltage Low level output current Power dissipation Operating temperature Storage temperature *2 Soldering temperature Symbol IF I FM VR P V CC I OL PO T opr T stg Tsol Rating 50 1 6 75 7 20 250 0 to + 70 - 40 to + 80 260 ( Ta = 25˚C ) Unit mA A V mW V mA mW ˚C ˚C ˚C Input Output *1 Pulse width RO ( distance between the disk center and half point of a slit ) and S ( installing position of GP1A71R) will be provided by the following equations. RO= N/120 x 13.45 ( mm ) N : number of slits S= RO- 2.265 (mm) 0.75 11.185 4 10.5 GP1A70R GP1A71R RO X R13.24 13 6 2.0 0.5 R15.8 13 6 0.3 2.0 Disk center Disk center 0.1 6.5 10.5 S < GP1A70R Basic Design> RO ( distance between the disk center and half point of a slit ) and S ( installing position of GP1A70R) will be provided by the following equations. RO=N /60 x 10.89 ( mm ) N : number of slits S= RO- 2.265 (mm ) s Precautions for Use ( 1 ) This device is designed to be used under the condition of IF = 20mA ( 2 ) It is recommended that a by-pass capacitor of more than 0.01 µ F be added between V CC and GND near the device in order to stabilize power supply line. ( 3 ) As for other general cautions, refer to the chapter “ Precautions for Use” . 0.75 8.625 4 0.1