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2 Photointerrupter with Encoder Function Features 1. -phase ( A, B ) digital output. Possible to use plastic disk 3. High sensing accuracy ( slit pitch : mm ) 4. TTL compatible output 5. Compact and light Applications 1. Electronic typewriters, printers. Numerical control machines Absolute Maximum Ratings (Ta= 5 C) Parameter Symbol Rating Unit Forward current IF 65 ma Input *1 Peak forward current I FM 1 A Reverse voltage VR 6 V Power dissipation P mw Supply voltage VCC 7 V Output Low level output current IOL ma Power dissipation P O mw Operating temperature Topr to + C Storage temperature Tstg - 4 to + C * Soldering temperature Tsol C Outline Dimensions (Unit : mm ) - φ. ± ± 5. ± ± ± MIN. (.54) ± (7.5) (1.7) MIN. 3 - (1.7) Internal connection diagram 1 1 Anode Cathode 3 V OB 4 - R.5.5 ± ± ± GND 5 V CC 6 V OA * ( Optical IC ) is a trademark of the SHARP Corporation. An consists of a light-detecting element and signalprocessing circuit integrated onto a single chip. 4 - R1.3 ± 5 * Tolerance :± mm * ( ) : Reference dimensions *1 Pulse width <= µ s, =.1 * For 5 seconds Electro-optical Characteristics Input Output Transfer characteristics *3 Measured under the condition shown in Measurement Conditions. *5 *4 In the condition that output A and B are low level. D A = x, D B= ( Unless otherwise specified, Ta = to + C) Parameter Symbol Conditions MIN. TYP. MAX. Unit Forward voltage V F Ta= 5 C, I F= 3mA V Reverse current IR Ta= 5 C, V R= 3V µa Operating supply voltage VCC V High level output voltage VOH *3V CC= 5V, I F= 3mA V Low level output voltage VOL *3IOL = 8mA, V CC = 5V, - V Supply current ICC *3*4IF= 3mA, V CC= 5V - 5 ma *5DA V CC= 5V, I F= 3mA, % *5DB *3 % Response frequency f MAX. *3VCC= 5V, I F= 3mA khz x 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.

3 Output Waveforms Output A (V OA ) Output B (V OB ) Rotational direction: Counterclockwise when seen from light detector Fig. 1 Forward Current vs. Ambient Temperature Forward current IF ( ma ) Fig. 3 Duty Ratio vs. Frequency Fig. Output Power Dissipation vs. Ambient Temperature Output power dissipation Po ( mw ) Fig. 4 Phase Difference vs. Frequency t (Output A ) AP (Output B ) 11 x t ABI Frequency f ( khz ) Frequency f (khz )

4 Fig. 5 Duty Ratio vs. Ambient Temperature 1. ( Output A ) ( Output B ) f =.5kHz Fig. 7 Duty Ratio vs. Distance (X direction ) (Output A ) (Output B ) - Distance X (mm ) (Shifting encoder) Fig. 9 Duty Ratio vs. Distance (Y direction ) (Output A) (Output B) Distance Y ( mm ) ( Shifting encoder ) Fig. 6 Phase Difference vs. Ambient Temperature ( deg. ) Phase difference θab θab1= I F = 3mA T 11 a = 5 C Reference position ( - ) ( + ) Distance X (mm ) (Shifting encoder ) Distance Y ( mm ) ( Shifting encoder) f =.5kHz Fig. 8 Phase Difference vs. Distance (X direction ) Fig.1 Phase Difference vs. Distance (Y direction ) t ABI x 3 x 3 x 3 ( + ) Reference position ( - )

5 Fig.11 Duty Ratio vs. Distance (Z direction ) ( Output A) ( Output B) Distance Z ( mm ) ( Shifting encoder ) Fig.1 Phase Difference vs. Distance (Z direction ) I F = 3mA T 11 a = 5 C x 3 ( Detecting side ) Z ( Emitting side ) Distance Z ( mm ) (Shifting encoder) Measurement Conditions center 3 R13.45 A 6.4 S (18.385) R <Basic Design> R O ( distance between the disk center and half point of a slit ), P ( slit pitch ), S 1 and S ( installing position of photointerrupter) will be provided by the following equations. Slit pitch : P (slit center) N R O= x (mm ) N: number of slits x p x R P= O ( mm ) N S 1=R O (mm ), S =S (mm) Note ) When the number of slits is changed, values in parenthesis are also changed according to the number. φ 31.6, t slits 11.4 S 1 A (11.685) Precautions for Use ( 1) This module is designed to be operated at I F= 3mA TYP. () Fixing torque : MAX. Nm ( 6kgf cm) (3) In order to stabilize power supply line, connect a by-pass capacitor of more than.1µf between Vcc and GND near the device. ( 4) As for other general cautions, refer to the chapter Precautions for Use. 4 Enlarged drawing of A portion Slit pitch : P center P r 1 = r ( Ex.) In the case of N= P/R r1 r R O= x13.45 (mm ) =.4mm x p x.4 P= ( mm ) = mm S 1= = 55mm S = = 7.355mm